Onboard high-performance microcontroller chips. Onboard CH340 USB control chip. Onboard LED power indicator and relay status indicator. Adopt military grade double-sided circuit board brand new and high quality.
Onboard high-performance microcontroller chips. Onboard CH340 USB control chip. Onboard LED power indicator and relay status indicator. Adopt military grade double-sided circuit board brand new and high quality.
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£8.09 | Amazon | Shop |