> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Humidity and Temperature Sensor - RHT03

**Type:** Product page · **SKU:** SEN-10167 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/humidity-and-temperature-sensor-rht03.html ([markdown](https://core-electronics.com.au/humidity-and-temperature-sensor-rht03.html.md))

## Retired product

This product is retired and no longer available for purchase. Search the catalogue for an alternative.

## How to buy

- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.

**Features:**

- 3.3-6V Input
- 1-1.5mA measuring current
- 40-50 uA standby current
- Humidity from 0-100% RH
- -40 - 80 degrees C temperature range
- +-2% RH accuracy
- +-0.5 degrees C
 
**Documents:**

- Datasheet
- Example Code
- [GitHub](https://github.com/sparkfun/RHT03)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/h/u/humidity_and_temperature_sensor_-_rht03__sen-10167__01.jpg)