4 Channel Relay Module 30A DC7-28/5V WIFI Relay Module ESP32-WROOM Development Board
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Buy 4 Channel Relay Module 30A DC7-28/5V WIFI Relay Module ESP32-WROOM Development Board
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4 Channel Relay Module 30A DC7-28/5V WIFI Relay Module ESP32-WROOM Development Board | £19.13 |  | |||
1. The 4-channel 30A relay development board is a development board based the ESP32-WROOM-32E module 2. I/O are fully led out, supporting DC7-28V/5V...
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