回視聴
0:17
ice cream machine issue
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5 Most Painful Alarm Clocks 😭
1:01
Develop A Smart Android App For Temperature Alert System #arduino #tech #iot #science #technology
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Temperature Based Fan Speed Control using Arduino Uno
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Pre-Action Fire Protection System: Elevator Technical Room
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Water Level Sensor 💧❤️💧DIY Water Level Alarm System #waterlevelindicator #shorts #ytshorts
0:11
Rechargeable Touch Door Security System 😱 Amazing Touch Sensor for Door #diy #shorts #ytshorts
0:11
iPhone Alarm Finally Changed for Good!
