An ESP32-compatible controller that turns a "dumb" hot-water re-circulation pump into a "smart" one. The pump is turned on demand (e.g. someone calls for hot water by turning on a faucet), and turned ...

In that case, recirculation is often used to ensure dry air defogs the glass. The post When to Use Recirculation in Your Car ...

Since the Hot Button function is not standard on A models, better descriptions of these parameters can be found under Step 7.5.1.2 on pg 99 and Category 4 of Step 7.5.1.3 on pg 102 of the A2 ...