16 Channel Relay Module Dc5-12V Power Supply Esp32 Development Board Esp32-Wroom Secondary Development Module 4711474038944

16 Channel Relay Module Dc5-12V Power Supply Esp32 Development Board Esp32-Wroom Secondary Development Module 4711474038944

Typecat

1. Onboard mature and stable ESP32-WROOM-32E module, large capacity 4M Byte Flash 2. The I/O port and UART program download port of the ESP32 module...

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