The T-Energy module was developed using the ESP32S3, equipped with an 18650 lithium battery. Specifications MCU  ESP32-S3 Flash 16MB PSRAM 8MB Wireless protocol 2.4 GHz Wi-Fi and Bluetooth 5 (LE) Support Language C/C++, Micropython, Lua Programming Platform Arduino-IDE, VS Code, ESP-IDF Onboard functions Qwiic 4-Pin, B