Digital temperature and humidity sensor, single-wire
⚡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.
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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