Recommendations for Thermostatic Valves (TRV) to work with Hass.IO

[mudman]

Hi my solution for on off trv valves was to modify existing dumb trv to work with mqtt as this thread

MQTT TRV based on a EQ3

Hi just wanted to share my latest project with you. MQTT trv based on the very cheep non Bluetooth EQ3 trv. So let’s first tare one down [IMG_20200309_150232] [IMG_20200309_150348] [IMG_20200309_150357] [IMG_20200309_150445] [IMG_20200309_150659] the original control board was replaced with a Wemos D1 mini. Since the motor is only 2 wire a L298N was used to control direction and a max471 used to sense motor stall current as the motor does not have a limit switch. [IMG_20200309_150959…