non contact ac line tester || Wireless AC Line Checker

Learn how to build a wireless AC line checker using just 3 NPN transistors (type 2N147) and a few resistors (1M, 100k, 330 ohm). This simple project ensures safety by detecting live AC voltage without direct contact. Join me as I guide you through the step-by-step process of creating this handy device
#DIYElectronics #WirelessSafetyChecker #NPNTransistors #ElectronicsProject #CZcamsTutorial