@ianscottjohnston IanScottJohnston

IanScottJohnston posts on YouTube about to the, channel, $6857t, meter the most. They currently have [------] followers and [--] posts still getting attention that total [-----] engagements in the last [--] hours.

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• [--] Year [--] +221%

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Social Influence

Social category influence technology brands 15.87% stocks 3.17%

Social topic influence to the 15.87%, channel 12.7%, $6857t #3, meter 6.35%, quick 6.35%, code 6.35%, in the 4.76%, error 4.76%, england 4.76%, bom #1054

Top accounts mentioned or mentioned by @ianscottjohnston1viewhome

Top assets mentioned Flex Ltd. Ordinary Shares (FLEX)

Top Social Posts

Top posts by engagements in the last [--] hours

"Why I hate BNC connectors down at the uV level Using my 3458A I notice my 3245A drifting upwards slowly over days/weeks. Here's the reason #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston metrology BNC 3245A 3458A metrology BNC 3245A 3458A"
YouTube Link 2023-10-23T13:26Z 21.9K followers, 13K engagements

"No.176 - HP3478A Multimeter Repair & TFT Conversion Off the back of my recent HP3457A TFT conversion I was asked if it was possible to carry out a TFT conversion on it. So I have one to hand but it needs repaired first The PCB gerbers BOM & instructions --- COMING SOON - PROBABLY [--] WEEKS TIME --- Where it all started https://www.eevblog.com/forum/projects/led-display-for-hp-3457a-multimeter-i-did-it-)/ XI's Protocol post https://www.eevblog.com/forum/projects/led-display-for-hp-3457a-multimeter-i-did-it-)/msg1347268/#msg1347268 #electronicscreators If you prefer Odysee for my videos then"
YouTube Link 2026-02-15T19:27Z 21.9K followers, [----] engagements

"No.144 - Advantest R6581T 8.5digit DMM Display Upgrade to OLED I bought this R6581T with a very dim verging unusable VFD (display).time to change it out for an OLED. Here's Mickle T's thread on the EEVBlog forum: https://www.eevblog.com/forum/repair/advantest-r6581-vfd-replacement/ #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston R6581T Advantest"
YouTube Link 2024-10-26T21:35Z 21.8K followers, 10.8K engagements

"No.174 - ADCMT [----] Source Measure Unit TFT LCD Upgrade - Part [--] I bought a [----] SMU in the hope I could retrofit my R6581T TFT upgrade to it In this Part [--] video I assemble my new Pcb fit it to the [----] and test. Part [--] video https://youtu.be/1XWtrR6wjL4 R6581T TFT Upgrade video: https://youtu.be/rv6x6VsWyRo The PCB gerbers BOM & instructions https://www.ianjohnston.com/misc/ADCMT_6243_4.zip #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists:"
YouTube Link 2026-01-28T14:52Z 21.9K followers, [----] engagements

"No.175 - HP3457A Multimeter TFT Conversion Off the back of my recent ADCMT SMU TFT conversion I thought i'd take a look at trying to do the same on my 3457A. The PCB gerbers BOM & instructions (Updated with alternative HEX file): https://www.ianjohnston.com/misc/3457A_TFT_Conversion.zip NEW - 3D printed TFT holder (slightly revised): https://www.ianjohnston.com/misc/3457A_TFT_Holder.zip Source code: https://github.com/Ian-Johnstontab=repositories Where it all started: https://www.eevblog.com/forum/projects/led-display-for-hp-3457a-multimeter-i-did-it-)/ XI's Protocol post:"
YouTube Link 2026-02-05T17:54Z 21.9K followers, [----] engagements

"PCB Solder Paste Technique at home Taken from one of my home production videos here's a YT Short showing my PCB pasting process. Incase I didn't stress it enough.paste across the PCB once & once only. My Home Production videos: Part [--] = https://www.youtube.com/watchv=MTubwqCenlM Part [--] = https://www.youtube.com/watchv=tkLh8ZQTHRo #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter -"
YouTube Link 2023-09-05T09:25Z 21.8K followers, [----] engagements

"No.126 - Sensepeek PCBite Kit (6019) Review Probing circuit boards can be a challenge especially SMD/SMT boards and Sensepeek have a system which seems to cover all the bases. In this video I run the [----] kit through it's paces. Kindly supplied via Telonic UK. Telonic UK (Dealer): https://telonic.co.uk/product/6019-sensepeek-pcbite-kit-with-2x-200mhz-sq200-oscilloscope-probes-and-4x-sq10-multimeter-probes/ & https://telonic.co.uk/product-category/manufactures/sensepeek-pcbite/ #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos:"
YouTube Link 2024-03-21T17:38Z 21.8K followers, [----] engagements

"No.163 - Select CM-504 Capacitance Meter Repair A cheap capacitance meter isn't working so I find and analyse the schematic diagram which helps to make the repair. #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa https://www.youtube.com/playlistlist=PLFTNjqbH_Txk8LIQVvQlqcyyBylAjlcTR"
YouTube Link 2025-09-05T08:01Z 21.4K followers, [----] engagements

"Quick Channel Update The weather in May was fantastic here in NE Scotland so what have I been doing"
YouTube Link 2025-06-04T14:42Z 21K followers, [----] engagements

"No.168 - Wavetek [----] 8.5" Multimeter Repair - Part [--] A follow up to the Part [--] video I investigate whether the Panasonic relays fitted are fit for purpose in the [----]. Part [--] video - https://youtu.be/PlqGYSx39Y4 #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa https://www.youtube.com/playlistlist=PLFTNjqbH_Txk8LIQVvQlqcyyBylAjlcTR"
YouTube Link 2025-11-15T13:38Z 21.6K followers, [----] engagements

"No.157 - Kikusui PCR500M Remote Operation & LED Modification On the workbench it's a stretch from where I work to operate the ON/OFF control on the PCR500M front panel and the Output power LED is very dim. Update vide here: https://youtu.be/OkMi21a0j6c #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa"
YouTube Link 2025-08-08T08:46Z 21.4K followers, [----] engagements

"No.169 - EEZ BB3 Power Supply Repair (again) This is the 2nd time my BB3 Bench Power supply has developed a fault this time errors on the display on startup. Previous BB3 repair - https://youtu.be/YEe2yNBFbs0 #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa https://www.youtube.com/playlistlist=PLFTNjqbH_Txk8LIQVvQlqcyyBylAjlcTR"
YouTube Link 2025-11-19T14:15Z 21.6K followers, [----] engagements

"No.151 - Modifications to my Solis Battery Inverter Installation The Solis inverter only allows [--] data channel stream and thats to Soliscloud.com so how can I modify the setup to allow local control over the inverter as well Here's where the idea came from: https://github.com/alienatedsec/solis-ha-modbus-cloud https://github.com/alienatedsec/solis-ha-modbus-cloud/discussions/24 #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists:"
YouTube Link 2025-02-15T18:54Z 20.6K followers, [----] engagements

"No.140 - Matrix MCR-5200 LCR Meter Repair - Part [--] Part [--] of the MCR-5200 repair in this video I go through a list of comments from the Part [--] video to try and get the unit up & running again. Is this a world first in electronics on YouTube i.e. a crowdsourced & AI assisted repair Part [--] video = https://youtu.be/yxSPU3yOaWM Follow-Up - https://youtu.be/-LfKLDuf9dk #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal -"
YouTube Link 2024-08-15T18:41Z 20.7K followers, [----] engagements

"No.161 - Tektronix TDS360 Oscilloscope - New Flex Replacement Further to my home repair of the front panel flex membrane I received a new replacement from someone manufacturing & selling them Here are the Tektronix scopes that the new flex circuit is compatible with: - Tektronix TDS300 series (e.g. TDS380) - Tektronix TDS400 series (e.g. TDS420A TDS460A) - Tektronix DG2030 DG2040 (front panel) Sellers Ebay Ad: 259-0086-00 FLEX CIRCUIT Tektronix TDS300/400 Series https://www.ebay.com/itm/277344036466 #electronicscreators If you prefer Odysee for my videos then visit my channel here -"
YouTube Link 2025-08-25T07:25Z 21.7K followers, [----] engagements

"No.152 - Studiomaster C3X Audio Mixer Repair - Horrifying issue *** PCBWAY For all your PCB Services at https://www.pcbway.com/from=ianjohnston *** Bought this mixer via Ebay and whilst it worked it did have an issue so I took the cover off.and was gobsmacked on what I found #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa"
YouTube Link 2025-03-19T19:32Z 20.7K followers, [----] engagements

"No.166 - Electronics Related Calculators Lots of work to my website lately including updating a lot of the electronics related calculators on my website. My website: http://www.ianjohnston.com #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa https://www.youtube.com/playlistlist=PLFTNjqbH_Txk8LIQVvQlqcyyBylAjlcTR"
YouTube Link 2025-11-03T14:08Z 21.6K followers, [----] engagements

"No.150 - Carlsbro Cobra [----] 200W PA Amp. Repair This amplifier started blowing fuses so I investigate the problem repair and test. #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa https://www.youtube.com/playlistlist=PLFTNjqbH_Txk8LIQVvQlqcyyBylAjlcTR https://www.youtube.com/playlistlist=PLFTNjqbH_TxkQMhtjJG7jrBqwDGE-sJoS"
YouTube Link 2025-01-22T23:42Z 20.5K followers, [----] engagements

"No.147 - Fluke [--] Dual Display DMM Battery Retrofit Donated by Richard to the channel he requested I try and see if I could get the battery option working on this Fluke [--] DMM. UPDATE to video I managed to located a new ribbon cable from RS Components pre-made 200mm. https://www.ianjohnston.com/images/stories/IanJ/Fluke45/Fluke45_new_cable.JPEG Part = RS 342-1444 Richard's donation - Mega unboxing https://www.youtube.com/watchv=Y3GqN_JlqxM #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home Visit my website for"
YouTube Link 2024-12-12T22:14Z 20.3K followers, [----] engagements

"No.158 - Kikusui PCR500M Remote Operation - UPDATE Comments on the last PCR500M video prompted me to make some modifications and make the upgrade a little better. Original video here: https://youtu.be/BHc4Cs7U9oI #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa https://www.youtube.com/playlistlist=PLFTNjqbH_Txk8LIQVvQlqcyyBylAjlcTR"
YouTube Link 2025-08-11T16:56Z 21.4K followers, [----] engagements

"No.165 - Windows Web & Email Server Maintenance Building a new spare server configuring the Lenovo M920q PC and restoring an image to both drive C: & D: Image For Windows - https://www.terabyteunlimited.com/image-for-windows/ Alternative: Acronis True Image - https://www.acronis.com/en/products/true-image/ #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc"
YouTube Link 2025-09-26T17:31Z 21.5K followers, [----] engagements

"No.160 - HP 4338A Milliohmmeter Repair - Part [--] In this Part [--] video I attempt repair of this 4338A that throws up a random ADC error on boot and sometimes locks up and display garbage readings n the LCD. Part [--] video - https://youtu.be/iQiySPJwSXI #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston"
YouTube Link 2025-08-22T09:11Z 21.4K followers, [----] engagements

"No.153 - Meratronik V560 Digital Multimeter Repair - Part [--] *** PCBWAY For all your PCB Services at https://www.pcbway.com/from=ianjohnston *** Donated by a viewer here's a Polish digital Multimeter. In this part [--] I attempt a repair. Part [--] video is here - https://www.youtube.com/watchv=hHhjUwC_vSE #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa"
YouTube Link 2025-04-17T21:09Z 21.2K followers, [----] engagements

"No.172 - WinGPIB for Windows the USER tab - UPDATE A further update to the USER tab functionality of WinGPIB. Previous video - https://youtu.be/uB8VTZmhQNk Link to WinGPIB download - https://www.ianjohnston.com/WinGPIB/ Link to Discuss WinGPIB - https://www.eevblog.com/forum/metrology/3458a-logging-via-windows-app-revisited/ Link to LUA - https://www.lua.org #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc"
YouTube Link 2026-01-11T19:00Z 21.7K followers, [----] engagements

"No.170 - Wavetek [----] 8.5" Multimeter Repair - Part [--] Continuing with the [----] repair I find some issues & faults with the board. I go over the schematics to demonstrate the fault and make the repairs. Part [--] - https://youtu.be/PlqGYSx39Y4 Part [--] - https://youtu.be/AavqaEVhnPE #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa"
YouTube Link 2025-11-27T17:40Z 21.6K followers, [----] engagements

"Handy Electronics Formula Converters ⚡ Quick Reference Tools A collection of quick and easy calculators for electronics engineers makers and hobbyists. Convert calculate and explore handy formulas like Ohms Law RC filters dB PPM LM317 frequency wavelength battery life and more all in one place 👉 Perfect for anyone working with circuits components and design. Link to the tools: https://www.ianjohnston.com/index.php/tools"
YouTube Link 2025-10-02T15:10Z 21.5K followers, [----] engagements

"No.159 - Tektronix TDS360 Oscilloscope Repair After re-seating a dodgy connector on the power supply I thought I had fixed this scope but no there was more faults which needed fixed. #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston My video gear"
YouTube Link 2025-08-15T09:12Z 21.7K followers, [----] engagements

"No.148 - Advantest R6581T DMM Upgrade to TFT LCD I recently replaced the VFD on my Advantest 8.5digit DMM with an OLED display thanks to the great reverse engineering work by MickleT. Now I take a step further by making extensive mods to MickleT's code and driving a bigger higher resolution colour TFT LCD. The ultimate VFD upgrade. Files: GIT source = https://github.com/Ian-Johnston/R6581_VS_Display https://www.eevblog.com/forum/repair/advantestadcmt-r6581-vfd-to-tft-conversion/ Parts: LCD & LT7680A-R (c/w flat flex & FPC conn) ="
YouTube Link 2024-12-17T14:08Z 21.8K followers, [----] engagements

"No.171 - WinGPIB for Windows Major upgrade the USER tab I've updated WInGPIB with the ability for users to create their own instrument control tab withing GPIB via a simple text based configuration file and have also added LUA scripting Download WinGPIB the user demos and the user tab guide here: https://www.ianjohnston.com/WinGPIB/ My main WinGPIB project page: https://www.ianjohnston.com/index.php/projects/81-project-025-gpib-project Discuss WinGPIB: https://www.eevblog.com/forum/metrology/3458a-logging-via-windows-app-revisited/ LUA: https://www.lua.org NOTICE: WinGPIB is strictly for"
YouTube Link 2025-12-18T19:45Z 21.7K followers, [----] engagements

"No.173 - ADCMT [----] Source Measure Unit TFT LCD Upgrade - Part [--] I bought a [----] SMU in the hope I could retrofit my R6581T TFT upgrade to it Part [--] video: https://youtu.be/X-AKfAjb6dc R6581T TFT Upgrade video: https://youtu.be/rv6x6VsWyRosi=ZAicLVo2VKTqqfNK Some info: It was an EEVblog user MickleT that did the initial decoding for his R6581T VFD to OLED project. I took that code and built on it for my TFT upgrade. So the R6581T/R6243 sends a continuous stream of bit-shuffled display packets over its serial clock and data lines. In my code it is sniffed reordered and unpacked into 57"
YouTube Link 2026-01-20T22:09Z 21.8K followers, [----] engagements

"No.143 - Agilent E3633A Bench Power Supply Repair I repaired/renovated this PSU [--] years ago and a few weeks ago it started giving me a wierd Error Code [---]. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston Agilent power supply electronics repair Agilent power supply electronics repair"
YouTube Link 2024-10-20T21:14Z 21.6K followers, [----] engagements

"No.111 - Tektronix [----] Oscilloscope Repair This scope was kindly donated to the channel by Adam here in the UK. The report was that it was tripping RCD's and the display was distorted and stationary at the bottom left of the CRT. Not particularly my main area of expertise and with multiple faults I gave it a go. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter -"
YouTube Link 2023-07-06T15:44Z 21.7K followers, 17.6K engagements

"No.167 - Wavetek [----] 8.5" Multimeter Repair - Part [--] I received a Wavetek [----] for repair the owner having made some attempts prior to sending to me. Visit my website for lots more including the new TOOLS - https://www.ianjohnston.com #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa"
YouTube Link 2025-11-14T18:29Z 21.6K followers, [----] engagements

"No.106 - 4th Agilent 34401A [---] digit Multimeter Repair This DMM exhibits a problem on the inputs I haven't seen before on these particular meters. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston"
YouTube Link 2023-03-25T15:47Z 21.6K followers, 12.1K engagements

"No.164 - Fluke [--] Multimeter 10min Repair This Fluke [--] was passed to me with a possible fault. Turns out it was a quick repair #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa https://www.youtube.com/playlistlist=PLFTNjqbH_Txk8LIQVvQlqcyyBylAjlcTR https://www.youtube.com/playlistlist=PLFTNjqbH_TxkQMhtjJG7jrBqwDGE-sJoS"
YouTube Link 2025-09-12T09:25Z 21.7K followers, [----] engagements

"No.135 - Tektronix [---] Oscilloscope Repair Donated to the channel by Richard from Oxford this [---] has a couple of dodgy pots and switches. Can I get to them and will Deoxit be enough The [---] was donated from Richard see video: https://youtu.be/Y3GqN_JlqxM #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston oscilloscope test equipment repairs oscilloscope test"
YouTube Link 2024-06-08T16:49Z 21.7K followers, [----] engagements

"No.130 - Thurlby 30V-2A Bench Power Supply Repair *** PCBWAY For all your PCB Services at https://www.pcbway.com/from=ianjohnston *** This Thurlby 30V-2A bench power supply has been neglegted and it's in need of repair and a little bit of renovation. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston"
YouTube Link 2024-05-10T06:57Z 19.4K followers, [----] engagements

"No.123 - Fluke [---] Multimeter Repair *** PCBWAY For all your PCB Services at https://www.pcbway.com/from=ianjohnston *** This Fluke [---] seems to have an intermittent problem at first it worked for me then went intermittent and finally failed. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston"
YouTube Link 2024-02-17T16:05Z 21K followers, 11.2K engagements

"No.128 - Agilent U1731A LCR Meter Repair This Agilent U1731A LCR meter isn't powering up properly and seems to have multiple faults. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston"
YouTube Link 2024-04-26T16:27Z 21.2K followers, [----] engagements

"Digital microscope for electronics repair OUTACT 2MP 500x pocket digital microscope 2" LCD 600mAh rechargeable battery digital microscope digital microscope"
YouTube Link 2025-06-20T13:04Z 21.1K followers, 13.4K engagements

"No.138 - Tektronix [----] Digital Oscilloscope Repair Donated to the channel by Dominic from England this scope had a few errors before it went BANG #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston Tektronix Oscilloscope repair Tektronix Oscilloscope repair"
YouTube Link 2024-07-02T15:33Z 21.2K followers, 11.9K engagements

"Thermal Master P3 - Thermal Camera Thermal Master sent me this P3 at no cost and I really like it. It should appear in my repair video from now on. https://thermalmaster.com/products/thermal-master-p3-pcb-master Discount code: Amazon: US: http://bit.ly/4lJkpHk UK: http://bit.ly/44Se7iJ Discount code: TEMPMST08 (8% off) Thermal Master thermal camera Thermal Master thermal camera"
YouTube Link 2025-07-29T13:33Z 21.2K followers, [----] engagements

"No.035 - Locating a PCB short circuit (10 minute) A [--] minute video showing a technique for locating a dead short on a circuit board using a multimeter. We've all been there a short circuit 'somewhere' on our PCB but it could be anywhere. This technique involves no pulling components just to see and no cutting tracks to try and isolate. PCB = My own PDVS2 design DMM = Keysight 34461A (6.5 digit) Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Visit my website for lots more -"
YouTube Link 2018-06-08T12:26Z 21K followers, 190.8K engagements

"No.094 - Agilent 3499A Switch Control System Repair The seller said there's no power and a burning smell So this 3499A I do have plans to use it in the workshop but first I have to fix it. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston"
YouTube Link 2022-06-23T18:29Z 20.6K followers, [----] engagements

"No.156 - Sony MDS-JE480 Minidisc Deck Repair Bought faulty via Ebay I wanted a Minidisc player/recorder for the workshop. An easy repair but fun to go inside the unit and explore. Studiomaster C3X Audio Mixer Repair: https://youtu.be/8mYOqU4Fe7k #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa"
YouTube Link 2025-08-01T13:28Z 21.2K followers, [----] engagements

"No.155 - Meratronik V560 Digital Multimeter Repair - Part [--] Donated by a viewer here's a Polish digital Multimeter. In this part [--] I move forward with the repair. Part [--] video - https://youtu.be/aPRveuYQYLE Update/Info: Not all the ranges were off by the same amount (%) which led me to thinking there's multiple degradation on DH101 DH102 and the individual resistors as well. Playing with the reference (it's adjustable) only somewhat fixed some of the functions/ranges. I might go back to it though I just didn't want to start retrofitting non-precision or low TC resistors as I'd all ready done"
YouTube Link 2025-07-26T09:24Z 21.2K followers, [----] engagements

"No.122 - Rigol DHO800 & [---] Series Oscilloscopes - VESA Mount Review The new Rigol DHO800 & [---] series oscilloscopes have a VESA mount on the rear of the units. I thought this was a great idea and went about testing six mounts with a DHO914 kindly supplied by Telonic UK (Rigol UK Dealer). Telonic UK (Rigol UK Dealer): DHO800 series - https://ooo.ai/rigoldho800 DHO900 series - https://ooo.ai/rigoldho900 VESA Stands: Grifema Fully Adjustable Monitor Stand Model GB2003-1 Bontec Full Steel Gas Spring Monitor Mount Model GDM01 Invision Ergonomic Gas Assisted Monitor Arm Model MX200 Amazon Basics"
YouTube Link 2023-12-12T22:18Z 21.3K followers, 17.6K engagements

"No.162 - HP 4338A Milliohmmeter Repair - Part [--] In this Part [--] video I attempt repair of this 4338A that throws up a random ADC error on boot and sometimes locks up and display garbage readings n the LCD. Part [--] video - https://youtu.be/VrWrIyA4dYI #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home 🎵 My Playlists: https://www.youtube.com/playlistlist=PLFTNjqbH_Txn5kWTiXH1wZGFrFTEGoWHc https://www.youtube.com/playlistlist=PLFTNjqbH_TxmagnpY1fEiUS_hTjMiWgVa"
YouTube Link 2025-08-29T10:21Z 21.4K followers, [----] engagements

"No.154 - Kikusui PCR500M AC Power Supply Quick Refurb *** PCBWAY For all your PCB Services at https://www.pcbway.com/from=ianjohnston *** I've been looking for an adjustable AC power supply with current limit capability for years Found this untidy PCR500M and decided it needs a small refurb before installing onto the workbench. Update: I found a video where a guy does some short circuit testing of a PCR500M and looking at the output on a scope - https://www.youtube.com/watchv=qT9dVLrLaxo Also here's some teardown photos on the EEVBlog forum -"
YouTube Link 2025-07-07T19:04Z 21.2K followers, [----] engagements

"No.115 - Keithley [----] Dual Channel Battery Charger Simulator - Part [--] *** PCBWAY For all your PCB Services at https://www.pcbway.com/from=ianjohnston *** This Keithley [----] has a very typical fault for the series but with the added bonus of a delaminated 6-layer circuit board. Part [--] here: https://youtu.be/wS3CmWOidsA #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter -"
YouTube Link 2023-09-08T20:02Z 20.1K followers, [----] engagements

"CSI Bench Power Supply - Constant Current Mode Set - Production Pcb Quick 12min video on the production pcb I have built up for the modification of CSI [----] series power supplies. I should have a few kits available for other folks to retro fit there CSI [----] series power supplies. More over at me website - http://www.ianjohnston.com/index.phpoption=com_content&view=article&id=95"
YouTube Link 2014-01-12T19:57Z 21.1K followers, [----] engagements

"No.141 - Matrix MCR-5200 LCR Meter Repair - Follow-Up A follow-up to my Matrix MCR-5200 repair in this video I test out the crystal on breadboard and suggest how it generated a USB Flash Drive symptom. Part [--] video = https://youtu.be/yxSPU3yOaWM Part [--] video = https://youtu.be/XUoFLTSecUw #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston electronics repair"
YouTube Link 2024-08-16T17:29Z 21.9K followers, [----] engagements

"No.145 - Keithley [----] 7.5digit DMM Repair (2nd) Part [--] A super kind donation from a subscriber this K2001 wasn't far away from being repaired by the owner but which then took a turn for the worse and now doesn't power up at all. Part [--] - https://youtu.be/SrjxdpXG3oM #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal -"
YouTube Link 2024-11-07T19:19Z 21.9K followers, [----] engagements

"LT7680A-R TFT LCD Driver - Worn VFD replacement prototype install LT7680A-R TFT LCD Driver - Worn VFD replacement prototype install. MickleT on the EEVBlog forums reverse engineered much of the Advantest R6581 8.5digit Multimeter including coming up with an OLED replacement strategy for the worn out VFD's based on the STM32 Blue Pill. I took MickleT's code imported it to Visual Studio and re-wrote the output to drive a high resolution Colour TFT LCD. Thousands of lines of code I then developed a PCB to make installation very easy. In this YT Short I power up after the code is completed and"
YouTube Link 2024-12-11T16:02Z 21.9K followers, [----] engagements

"No.146 - Keithley [----] 7.5digit DMM Repair (2nd) Part [--] A super kind donation from a subscriber in this Part [--] I'm back on the K2001 and my attempt to repair the analogue board and get the unit up & running. Part [--] - https://youtu.be/OmaYKA-Hp7s #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow"
YouTube Link 2024-11-14T15:34Z 21.9K followers, [----] engagements

"No.134 - Faulty Test Gear Donation - Follow-up This is a follow-up video to the call-to-arms video I published a couple of weeks ago asking if anyone had any faulty test gear they wouldn't mind donating to my channel. I have received some items already and some still on the way.but one donation has blown me away and as promised to the person in question I have made an unboxing video. Here's the original call-to-arms video: https://youtu.be/jx_gdVrNUco #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon -"
YouTube Link 2024-06-06T11:04Z 21.9K followers, [----] engagements

"No.142 - Channel Update - Software Projects I've had time away from hardware to work on [--] separate software projects [--] professional and the other [--] home grown. In this video I run through the home grown ones. WINGPIB - https://www.eevblog.com/forum/metrology/3458a-logging-via-windows-app-revisited/ #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston WinGPIB"
YouTube Link 2024-09-25T16:52Z 21.9K followers, [----] engagements

"No.132 - 3458A 8.5digit DMM Non-Volatile RAM Replacement The battery backed Dallas non-volatile ram IC's in my 3458A are [--] years old it's time to replace them but using FRAM IC's. My 3458A Ram replacement info (PDF): ⚡ https://www.ianjohnston.com/misc/3458A_Dallas_Fram.pdf My adaptor Gerbers: ⚡ https://www.ianjohnston.com/misc/FM1608-3458A-AdaptorV1.0_GERBERS.zip ⚡ https://www.ianjohnston.com/misc/FM16W08-3458A-Adaptor-to-AdaptorV1.0_GERBERS.zip ⚡ https://www.ianjohnston.com/misc/FM16W08-3458A-AdaptorV1.0_GERBERS.zip My adaptor Schematics: ⚡"
YouTube Link 2024-05-22T16:12Z 21.9K followers, [----] engagements

"No.133 - Keithley [----] [---] Digit DMM Repair (re-upload condensed) Back in [----] I published a 6-part series of videos for the repair of this Keithley [----] DMM. It was quite a repair highly enjoyable on my part so I thought I'd re-upload as a single 1hr condensed video. Enjoy PS. This video is HD only. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston"
YouTube Link 2024-05-24T14:42Z 21.9K followers, [----] engagements

"No.136 - Rapid [----] Digital Storage Oscilloscope Repair Donated to the channel by Aaron from England this Rapid [----] (re-badged BK Precision 2522B) Oscilloscope has some digital troubles. #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston electronics repair oscilloscope repair electronics repair oscilloscope repair"
YouTube Link 2024-06-14T11:08Z 21.9K followers, [----] engagements

"No.137 - Keithley [---] Digital Picoammeter Repair & Test Donated by Dan from England this Picoammeter is in need of some calibration on it's Picoamp range. And after some re-calibration & testing it suddenly stopped working so needed repair also Here's Dan's EEVBlog thread on the unit before it came to me: https://www.eevblog.com/forum/repair/vintage-keithley-model-440-picoammter-repairrestoration/ #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal -"
YouTube Link 2024-06-21T14:46Z 21.9K followers, [----] engagements

"No.149 - Sequre HT140 Soldering Tweezers Problem and Fix My new Sequre HT140 soldering tweezers have a potential problem and a fix. #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:1view=home Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston My video gear = Panasonic HC-X1500 4k/60 with VW-HU1 handle BOYA"
YouTube Link 2025-01-03T16:02Z 21.9K followers, [----] engagements

"No.139 - Matrix MCR-5200 LCR Meter Repair - Part [--] Matrix MCR-5200 LCR Meter recieved as a faulty return from Matrix (Amazon) it was pot luck as to what condition the unit would be in or what the fault might be Part [--] - https://youtu.be/XUoFLTSecUw Follow-Up - https://youtu.be/-LfKLDuf9dk #electronicscreators Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon - https://www.patreon.com/IanSJohnston Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter - https://twitter.com/IanSJohnston Matrix LCR Meter"
YouTube Link 2024-07-31T21:29Z 21.9K followers, [----] engagements

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