FainWan 2pcs 2 Channel Relay Module with Optocoupler 5V Active Low Level Amplifier Trigger JD-VCC Relay Power VCC Power auspowers_batchsix Decorate it into your own

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FainWan 2pcs 2 Channel Relay Module with Optocoupler 5V Active Low Level Amplifier Trigger JD-VCC Relay Power VCC Power auspowers_batchsix Decorate it into your ownFainWan 2pcs 2 Channel Relay Module with Optocoupler 5V Active Low Level Amplifier Trigger JD VCC Relay Power VCC Power Size: 2 x RelayFeature: 5V 2 Channel relay module expansion board, is convenient to control all kinds of electrical appliances and large current devices. It can also be directly controlled standard interface by microcontroller to implement various of function experiments together with breadboard and Dupont thread. The relays on the