ESP32 ESP-WROOM-32D WIFI Bluetooth Development Board CH340 with 0.96 OLED2828
Bluetooth: Bluetooth 4.2BR/EDR and BLE standards. Antenna form: onboard PCB antenna with a gain of 2dBi. Support local serial port upgrade and remote upgrade (FOTA). Low power dual core 32-bit CPU, can be used as an application processor;.