Nautilis thermometer Firmware upgrade (6.1.4) & New version of iRelay firmware (6.5.6)

Only system changes have been made to the iRelay classic firmware. iRelay Light now has the ability to DIY & make and convert to a temperature controller. In the management menu it is possible to switch on / off a special relay switch for heating and a special relay switch for cooling. To upgrade to a controller you need a relay module like this one. The default state is off. Only system changes were made on the thermometer. Firmware site

Nautilis thermometer Firmware upgrade (6.1.3)

The new upgrade allows you to convert a classic OLED thermometer into a WiFi temperature controller like the V4. In particular, you can control the heating and cooling relay. The initial state of these relays is switched off. To upgrade to a controller you need a relay module like this one.