/growbook

First version for used temp only

Primary LanguageC++

growbook

First version for used temp only


Library used

DHT11/DHT22 https://github.com/beegee-tokyo/DHTesp

Datasheets:


DHT11 vs DHT22

DHT11

  • 3 to 5V power
  • 2.5mA max current use during conversion (while requesting data)
  • Good for 20-80% humidity readings with 5% accuracy
  • Good for 0-50°C temperature readings ±2°C accuracy
  • No more than 1 Hz sampling rate (once every second)

DHT22

  • 3 to 5V power
  • 2.5mA max current use during conversion (while requesting data)
  • Good for 0-100% humidity readings with 2-5% accuracy
  • Good for -40 to 80°C temperature readings ±0.5°C accuracy
  • No more than 0.5 Hz sampling rate (once every 2 seconds)