[NEW] Simple Electronics Project

In this video, I will make Battery Polarity Checker Circuit Check the electronic components you need here: https://www.utsource.net?source=YouTube Utsource is a professional electronic components supplier. More than 800 original brands, More than 6 million authentic products Subscribe It's Free ❤️ https://www.youtube.com/channel/UCJoXoKcfAo4j9XWDlxCWMyg?sub_confirmation=1 Needed Components Link About Battery Polarity Checker Circuit: LED: https://www.utsource.net/itm/p/11535768.html?source=YouTube BC547 NPN Transistor: https://www.utsource.net/itm/p/11683255.html?source=YouTube 1N4007 Diode: https://www.utsource.net/itm/p/11200364.html?source=YouTube Resistor: https://www.utsource.net/itm/p/6478512.html?source=YouTube Li-ion Battery: https://www.utsource.net/itm/p/1908374.html?s ...