💻 An Arduino Uno (CH340G clone) reads temperature and humidity from a DHT11 sensor and computes 10+ environmental metrics (heat index, dew point, enthalpy, humidex, vapor pressures, etc.), outputting ...

While developing a vacuum system used for homemade PVD sputtering aparatus I felt the need of a simple and cheap vacuum gauge that can measure pressures as low as 1 Pa. I was not able to find online a ...

The Aqara W100 Climate Sensor offers precise temp and humidity monitoring, smart button control, and HomeKit support with Zigbee and Thread compatibility.

Another simple circuits for PWM programming of standard regulator chips, this time Vout is programmable down to zero volts.