Install this component

Paste this into Claude Code (VS Code panel, Adom editor, or terminal) to install:

Search the Adom Wiki for the library component "DHT22" (slug: dht22) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/libraries/dht22. Pull down the KiCad symbol, footprint, and 3D model files from the wiki page's assets. Install them into my current KiCad project and register in sym-lib-table and fp-lib-table. If the page has a datasheet URL, save that too.
Manufacturer Aosong
Package Through-hole
Pins 4 pins (Data, Power)
Temperature -40°C to +80°C (±0.5°C)
Humidity 0-100% RH (±2%)
Sample Rate 0.5Hz
Interface Single-wire digital

Library View

Interactive symbol, footprint, and 3D model — hover pins for cross-highlighting.

SymbolGenerated Generated from pin data (not in KiCad standard library)
FootprintMissing Not available (Sensor/Aosong_DHT22_5.5x2.5mm_P2.54mm not found in KiCad standard library)
3DGenerated Generated pad visualization (Babylon.js)

Breakout Board

Auto-generated breakout molecule for DHT22 — all pins brought to 2mm-pitch headers with 4 corner machine pins on 8mm grid.

Pricing & Availability

Specifications

Temperature-40°C to +80°C (±0.5°C)
Humidity0-100% RH (±2%)
Sample Rate0.5Hz
InterfaceSingle-wire digital
Package4-pin SIP

Pin Configuration

DataPower
PinNameGroupFunction
Data — Single-wire serial data
2SDAData1-wire data
Power — Supply and ground
1VDDPowerSupply voltage (3.3V-6V)
4GNDPowerGround
Other
3NCNo connection

AI Skill Technical Reference

Edit AI Skill

DHT22 — Digital temperature and humidity sensor, single-wire

Manufacturer: Aosong Package: Through-hole

Description

The DHT22 (AM2302) is a basic digital temperature and humidity sensor. Measures 0-100% RH (±2%) and -40 to 80C (±0.5C). Uses a proprietary single-wire protocol. Popular in weather stations and home automation.

Electrical Specifications

  • Temperature: -40°C to +80°C (±0.5°C)
  • Humidity: 0-100% RH (±2%)
  • Sample Rate: 0.5Hz
  • Interface: Single-wire digital
  • Package: 4-pin SIP

Pin Configuration

Package: Through-hole

  • Pin 1: VDD — Supply voltage (3.3V-6V)
  • Pin 2: SDA — 1-wire data
  • Pin 3: NC — No connection
  • Pin 4: GND — Ground

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0 revisions · Updated 2026-03-02 17:31:36