This is simple digital thermometer and humidity meter based on ATTINY 13 / ATTINY 85 , digital LED module TM1637 and sensor DHT22 (AOSONG AM2302 module). Supports negative temperatures measurement ...

Abstract: The digital psychrometer presented in this paper is a general type of humidity meter with an accuracy of ±1 percent with 8-bit resolution and the humidity controller has an accuracy of ±0.5 ...

Once, in one of my classes at university, I was doodeling and thought about a desk clock which can show me also the ambient temperature and humiduty, then I started imaging the design and started ...