Project 8 · Sensor Catalog (Vol III)

DHT11 Temperature & Humidity

Build a digital weather station that tracks heat and moisture using a single-wire interface.

Intermediate 45 min 5 components
DHT11 Temperature & Humidity wiring diagram

What you'll learn

  • Understand the 1-Wire communication protocol used by digital environment sensors.
  • Analyze how capacitive and thermistor elements convert physical states into digital data.
  • Implement external libraries to simplify complex sensor timing requirements.
  • Interpret structured data outputs using the Arduino Serial Monitor.

What's in the kit

  • Arduino UNO R3
  • DHT11 Temperature & Humidity Sensor
  • 10k Ohm Resistor (Pull-up)
  • Breadboard
  • Jumper Wires (M-M)×5

Protocol: 1-Wire