DC 5-30V ESP32 WIFI Bluetooth BLE 8 Channel Relay ESP32-WM Development Board
21,41 €
Onboard mature and stable ESP32-WROOM-32E module, large-capacity 4M Byte Flash;. 4, Onboard ESP32 module IO0 programmable button and reset button;. 7, 1 programmable LED and relay indicator onboard. 45 In 1 Sensor.
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