TSTR04 – 4 Channel Outputs 4 Temperature Sensors Wi-Fi Smartphone Relay (Thermostats)
This is a TSTR04 USB relay board which has an OLED display and 4 temperature sensor ports. In “Normal” mode, you can easily control this relay board by your computer or smartphone via Wi-Fi. In “Auto” mode, you can set a threshold value, to let the relay turn ON/OFF based on the temperature. So, you can use it…
