1PCS ESP32 WiFi Bluetooth ble single relay module ESP32 development board
8,63 €
4: Onboard ESP32 module RST reset button and IO0 programmable button;. Onboard ESP32 module RST reset button and lO0 programmable button;. On-board mature and stable ESP32-WROOM-32E module, large capacity 4M Byte Flash;.
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