The AC Infinity Cloudline growing fans (such as the S4, S5, S6) are fantastic smart fans. They're made for growing rooms and the like, but also have a use in domestic bathrooms. They have temperature ...

Simple project marrying up 3 premade boards, the esp32 doit v2, a buck-boost board and a scd41 board. Connects to the ducturbo 3.5mm to PWM control the fan speed. Low side mosfet PWM chosen so that ...