12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM Arduino
USD 1.04 USD
Specifications
| Select | 1 CH Optocoupler(Blue) |
| Marke | Markenlos |
| Brand | Unbranded/Generic |
You'll see that the unbranded/general design keeps things simple, and it blends into different setups without drawing attention.