This is a high-quality 5V USB wall adapter that is ideal for supplying power to your LattePanda
, Raspberry Pi
and other 5V devices that require extra current. The higher current will charge devices faster - use it as a fast charger for your smartphone or tablet. This adapter is quality tested and provides a stable 5V without any fluctuation.
Project 1. Application Tutorials of FireBeetle Board - ESP32 BLE: Smarten a Plugboard
What you have seen is a smart plugboard that converted by ESP32 master board and controlled by BLE of ESP32.
Hardware in need: