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[@7techprojects922](/creator/youtube/7techprojects922)
"how to make powerful bicycle bell / hw battery buzzer simple circuit electronics project"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/2Aj2kGcj6n0) 2023-05-04 11:45:00 UTC 223K followers, 602K engagements


"Tv remote controlled DC MOTOR FAN🙄 / simple electronics science project"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/E-uXRXsrPxM) 2022-12-26 13:56:32 UTC 223K followers, 8.2M engagements


"how to make awesome ideas from scrap / breaking and opening the toys / bluetooth speaker / mini fan"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/WFxSeOBiuD4) 2025-07-31 11:30:22 UTC 223K followers, 20.8K engagements


"how to make simple bicycle indicator / hw battery led light / led flasher simple circuit project"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/ofYKOf24WQY) 2023-05-05 11:45:02 UTC 223K followers, 3.1M engagements


"wireless water controlled dc motor fan / hw battery motor project #dcmotor"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/j9woklHQe7I) 2023-01-11 11:45:01 UTC 223K followers, 10.3M engagements


"idea😀 ir proximity sensor with led #electronics"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/37yBdZlk9W0) 2023-09-03 14:30:00 UTC 223K followers, 127.6K engagements


"how to connect DC motor to hw 9v battery without switch"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/Unkf6yFFuIM) 2023-04-27 11:45:02 UTC 223K followers, 308.6K engagements


"HW 9v battery hacks / new Electronics simple project 2022 / mini power bank DIY 7tech projects"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/HHeEX3dPaNU) 2022-01-11 05:23:17 UTC 223K followers, 401.7K engagements


"simple circuit wireless sensor project / science project / hw 9v battery LED bc547 transistor"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/xv0zy5Abzy0) 2023-04-09 11:45:03 UTC 223K followers, 761.7K engagements


"tv remote converting to mini torch / awesome electronics project idea"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/NUJIrcfZP8A) 2022-12-25 12:34:19 UTC 223K followers, 1M engagements


"dual motor powerfull water pump / how to make water pump at home"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/q7ku7mG2iLU) 2025-07-27 11:30:45 UTC 223K followers, XXX engagements


"speaker free energy generator / dc motor fan #dcmotor"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/ylkNbZk4aac) 2023-02-10 11:30:16 UTC 223K followers, 5M engagements


"motor on / off using water / electronics simple circuit dc motor science project"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/HFTRoBMGGOI) 2023-04-20 13:30:04 UTC 223K followers, 4.9M engagements


"simple DC MOTOR FAN / hw battery motor science project"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/v7lE1LOugNI) 2022-12-29 12:56:21 UTC 223K followers, 5.3M engagements


"idea🙄 9v battery charger🔋 /awesome idea / how to make 9v battery charger"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/6SzFiIMdQIY) 2023-06-29 12:13:07 UTC 223K followers, 2.8M engagements


"LED light lemon science experiment project / simple electronics science experiment #electronics"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/p1POFj5J3UE) 2023-04-11 11:45:04 UTC 223K followers, 3.3M engagements


"solar mobile charger / simple science project"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/f9PSBZJ0pZ8) 2022-12-03 10:30:07 UTC 223K followers, 690.8K engagements


"Mobile phone charger controlled usb dc motor fan #dcmotor"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/X3zluqEnNyQ) 2023-01-17 11:45:02 UTC 223K followers, 932.1K engagements


"simple water controlled dc motor fan project / hw battery motor #dcmotor"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/bw29Fs31ip0) 2023-01-10 13:01:41 UTC 223K followers, 3.9M engagements


"simple sensor project / simple circuit electronics / hw battery / led light / IR sensor"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/JMYBoj5pZNo) 2022-11-02 15:28:10 UTC 223K followers, 6.7M engagements


"BUZZER 👉 wireless power transfer project / simple electronics science project"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/5KX_unaRikg) 2022-12-24 12:30:02 UTC 223K followers, 520.7K engagements


"dc motor hacks / Mini dynamo #dcmotorideas #shorts"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/NmTKceqBUJA) 2022-10-20 11:38:29 UTC 223K followers, 1.7M engagements


"simple LDR sensor science project for school students"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/RAa9_BvbQLc) 2024-03-26 11:30:12 UTC 223K followers, 147.3K engagements


"simple circuit dc motor speed controller / hw battery / dc motor #electronics"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/8AwNUNtZDFk) 2023-04-08 11:45:01 UTC 223K followers, 951.8K engagements


"hw battery with match box magic experiment #hwbattery #experiments"  
![@7techprojects922 Avatar](https://lunarcrush.com/gi/w:16/cr:youtube::UCnd3CVHwXVsmMq45nGBwk8g.png) [@7techprojects922](/creator/youtube/7techprojects922) on [YouTube](/post/youtube-video/0ZlejXfHd9Y) 2022-03-08 04:44:01 UTC 223K followers, 856K engagements