Laser Security System Using LDR and BC547 Transistor #security
In this video, I’ve made a simple laser security alarm using a BC547 transistor, LDR, buzzer, and a 3.7V battery. When the laser beam is blocked, the buzzer instantly turns…
Only 3 things 🔌🔋electric circuit ready, battery, wire and bulb #electriccircuits #current #physics
Use just 3 things 🔌🔋and create your own electric circuit . Requirments-battery, wire and bulb/fan. Be a physics Guru. #electriccircuits #current #physics #ytviralshorts #easyexperiment
20 electronic devices Vocabulary #electronicvocabs #shorts
25 electronic devices vocabs #electronicvocabs learn electronics devices vocabs #shorts #ytshorts #englishvocabulary #learnvocabs
Trying to Fix FAULTY Electronic Items for a Profit! S2:E59
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