ESP32 WIFI Bluetooth AC DC 4 Channel Relay Module ESP32- Development Board
18,05 €
5: Onboard ESP32 module IO0 programmable button and reset button;. 2: Onboard mature and stable ESP32-WROOM-32E module, large-capacity 4M Byte Flash;. Board size: 93 87mm. 1 Single line cap. 1 6 single row PIN4.
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