Board Only - AC220V Power Supply ESP32 Wi-Fi bluetooth 2 Channel Relay Module ESP32 Secondary Develo

Description:
The AC powered ESP32 dual relay development board is equipped with ESP32-WROOM-32E Wi-Fi&BLE modules, with all I/O ports leading out, supporting AC90-250V power supply mode. Suitable for ESP32 secondary development learning, smart home wireless control and other occasions.

Features:
1. Onboard mature and stable ESP32-WROOM-32E module, with a large capacity of 4M BYTE FLASH;
2. The I/O port and UART program download port of the ESP32 module are all exported for easy secondary development;
3. Onboard AC-DC switching power module, supporting AC90-250V power supply mode;
4. On board ESP32 module RST reset button and IO0 programmable button;

5. ESP32 supports the use of ARDUINOIDE development tools and provides reference programs in the ARDUINOdevelopment environment;
6. Onboard 2-chann