In this post, I would present items below:
LEDs need a limiting current circuithow to make a flashlightmake a light powered by the portable battery, and dimming the LEDs by ESP8266 via MQTTThe video is the recap and a short explanation of how this works,
I planned to have PIR sensor included, but the tutorial gets rather long so that the PIR sensor will be presented in the second part of this topic.
So let begins.”