4CH USB Relay Module 12V 30A USB-C with Case Computer Serial Port Inte
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Buy 4CH USB Relay Module 12V 30A USB-C with Case Computer Serial Port Inte
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4CH USB Relay Module 12V 30A USB-C with Case Computer Serial Port Inte | £14.75 |  | |||
1. Onboard 8-bit high-performance microcontroller chip 2. Onboard CH340TUSB to serial port control chip 3. Onboard power LED indicator and relay...
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