Whereas a typical scale would then simply show the resulting number on an LCD display, [Mirko] decided to use a moving coil meter driven by the Arduino’s analog output.

There’s an Arduino with a custom shield that interfaces the barometric pressure sensor, real-time clock chip, a digital temperature sensor, and a humidity sensor.

It comes with a built-in DHT22/AM2302 temperature and humidity sensor and has slots for a mini OLED display, waterproof DS18B20 temperature sensor, and empty slots for up to three additional I2C ...

Microcurrent humidity sensor from Texas Instruments offers a measurement accuracy of +/-3%. Designated the HDC1050, it is a 1.3µA ±3% accurate digital humidity sensor that includes a ±0.2C accurate ...