simple circuit wireless sensor project / science project / hw 9v battery LED bc547 transistor

simple circuit wireless sensor project / science project / hw 9v battery LED bc547 transistor

how to make simple touch sensor circuit projectПодробнее

how to make simple touch sensor circuit project

simple circuit wireless sensor project / science project / hw 9v battery LED#shorts #ytshortsПодробнее

simple circuit wireless sensor project / science project / hw 9v battery LED#shorts #ytshorts

wireless tester / home made ac line testerПодробнее

wireless tester / home made ac line tester

LDR Project With Bc547 Transistor and Buzzer | Home 🏡 Security Alarm System | Photoelectric EffectПодробнее

LDR Project With Bc547 Transistor and Buzzer | Home 🏡 Security Alarm System | Photoelectric Effect

How to connect LED with 9v battery - Resistor, LED, 9v battery connection tutorialПодробнее

How to connect LED with 9v battery - Resistor, LED, 9v battery connection tutorial

Актуальное