TSIR04B – 4 Channel Outputs- 4 optically Isolated Inputs Wi-Fi Smartphone Relay
TSIR04B is similar to TSIR04. We have removed the OLED display and put the relay board in a plastic enclosure. This is a TSIR04B Wi-Fi version relay board with optically isolated inputs and temperature sensor port. You can easily control this relay board by your computer or smartphone using Wi-Fi. The communication method also can be changed easily. Replace…
