Flipper Zero application for reading temperature, humidity, CO2 and pressure sensors like a DHT11/22, DS18B20, BMP280, HTU21, and more.
| Model | Tested on | Interface | Temp Range | Temp Acc | Temp Res | Hum Range | Hum Acc | Hum Res | Extra Range | Acc | Res |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DHT11 (AOSONG) | DHT | 0...50 °C | ±2 °C | 1 °C | 20...90 % | ±5 % | 1 % | ||||
| DHT11 (ASAIR) | DHT | -20...60 °C | ±2 °C | 0.1 °C | 5...95 % | ±5 % | 1 % | ||||
| DHT12 | DHT | -20...60 °C | ±0.5 °C | 0.1 °C | 20...90 % | ±5 % | 0.1 % | ||||
| DHT21/AM2301 | DHT | -40...80 °C | ±1 °C | 0.1 °C | 0...100 % | ±3 % | 0.1 % | ||||
| DHT22/AM2302 | DHT | -40...80 °C | ±0.5°C | 0.1 °C | 0...100 % | ±2 % | 0.1 % | ||||
| DHT20/AM2108 | I2C | -40...80 °C | ±0.5 °C | 0.1 °C | 0...100 % | ±3 % | 0.1 % | ||||
| AM2320 | I2C | -40...80 °C | ±0.5 °C | 0.1 °C | 0...100 % | ±3 % | 0.1 % | ||||
| AHT10 | I2C | -40...85 °C | ±0.3 °C | 0.01 °C | 0...100 % | ±2 % | 0.024 % | ||||
| AHT20 | I2C | -40...85 °C | ±0.3 °C | 0.01 °C | 0...100 % | ±2 % | 0.024 % | ||||
| SHT30/GXHT30 | TFHT01 | I2C | -40…125 °C | ±0.3 °C | 0.06 °C | 0...100 % | ±2 % | 0.01 % | |||
| SHT31/GXHT31 | TFHT01 | I2C | -40…125 °C | ±0.2 °C | 0.06 °C | 0...100 % | ±2 % | 0.01 % | |||
| SHT35/GXHT35 | TFHT01 | I2C | -40…125 °C | ±0.1 °C | 0.06 °C | 0...100 % | ±1.5 % | 0.01 % | |||
| LM75 | I2C | -55...125°C | ±2 °C | 0.1 °C | |||||||
| BMP180 | I2C | -40...85 °C | ±0.5 °C | 0.01 °C | 300...1100 hPa | ±1.0 hPa | 0.01 hPa | ||||
| BMP280 | I2C | -40...85 °C | ±1 °C | 0.01 °C | 300...1100 hPa | ±1.0 hPa | 0.0016 hPa | ||||
| BME280 | I2C | -40...85 °C | ±1 °C | 0.01 °C | 0...100 % | ±3 % | 0.008 % | 300...1100 hPa | ±1.0 hPa | 0.0016 hPa | |
| BME680 | I2C | -40...85 °C | ±0.5 °C | 0.01 °C | 0...100 % | ±3 % | 0.008 % | 300...1100 hPa | ±0.6 hPa | 0.18 Pa | |
| HTU21D(F) | I2C | -40...125 °C | ±0.3 °C | ±0.1 | 0...100 % | ±2 % | 0.04 % | ||||
| HDC1080 | I2C | -40...125 °C | ±0.2 °C | ±0.1 | 0...100 % | ±2 % | 0.1 % | ||||
| DS18B20 | 1WR | -55...125 °C | ±0.5 °C | 0.5 °C | |||||||
| DS18S20 (DS1820) | 1WR | -55...125 °C | ±0.5 °C | 0.25 °C | |||||||
| MAX31855 | SPI | -200...1800°C | ±2 °C | 0.25 °C | |||||||
| MAX31725 | LTS01 | I2C | -40...150 °C | ±0.5 °C | 0.004°C | ||||||
| MAX6675 | SPI | 0...1024°C | ±9 °C | 0.25 °C | |||||||
| SCD30 | TFCO201 | I2C | 0...50 °C | ±0.4 °C | 0.01 °C | 0...100 % | ±3 % | 0.04 % | 0...40000 ppm CO2 | ±(30 ppm + 3 %) | 1 ppm |
| SCD40 | TFCO201 | I2C | -10...60 °C | ±1.5 °C | 0.01 °C | 0...100 % | ±9 % | 0.04 % | 400...2000 ppm CO2 | ±(50 ppm + 5 %) | 1 ppm |
| SCD41 | TFCO201 | I2C | -10...60 °C | ±0.8 °C | 0.01 °C | 0...100 % | ±9 % | 0.04 % | 400...5000 ppm CO2 | ±(40 ppm + 5 %) | 1 ppm |
Download and install from the application catalog https://lab.flipper.net/apps/unitemp or the mobile application
...or install the application manually:
- Download latest release
- Copy
unitemp-latest.faptoSD card/apps/GPIOwith qFlipper or mobile application - Open the application on your Flipper:
Applications->GPIO->Temp sensors reader
Note: If you get the message "API version mismatch" after updating the firmware, download and install Unitemp again
Join the discussion, ask a question, or just send a photo of the flipper with sensors to Discord. Invite link
Thanks to @Svaarich for the UI design and to the Unleashed firmware community for sensor testing and feedback. Thanks to Victor Nikitchuk @quen0n for coding and maintenance of the initial version of the unitemp application.