| Brand | Unbranded |
|---|---|
| Type | ESP32-WROOM |
| Marke | Markenlos |
Check the listing for details. AC/DC ESP32 WIFI Bluetooth 4CH Relay Module ESP32- Development board. Condition: New. Listed at 12.24 USD. 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. hope you could understand. 1 6 single row PIN4.