With the DHT11 sensor the D1 Mini can be expanded to include a measurement option for temperature and humidity. • Humidity measurement range: 20 - 90% • Temperature measurement range: 0 - +60°C • Humidity tolerance: ± 5% • Temperature tolerance: ± 2°C • Sampling rate: 1 Hz (every second) Pin assignment • 3.3 V: 3.3-V power supply • D4: Data Pin • GND: Earth Note: Delivery includes 6 pin headers (2x 8-pin male–male, male–female, male long pin–female) https://elecena.pl/product/18595809/d1-shield-temperature-humidity-sensor-dht11 2021-05-28 https://elecena.pl/product/18595809/d1-shield-temperature-humidity-sensor-dht11 2022-05-28 https://elecena.pl/product/18595809/d1-shield-temperature-humidity-sensor-dht11 2023-03-25 https://elecena.pl/product/18595809/d1-shield-temperature-humidity-sensor-dht11 2023-04-16