Catalog > Internet of Things (IOT) Related Products > More Platforms HR202 Arduino Compatible Temperature and Humidity Sensor Arduino Digital Temperature Humidity HR202 Sensor Working voltage DC 3~5V LM393 GTC TEMP+HUMD SNSR HR202 ARDUINO HR202 ARDUINO COMPATIBLE HIGH RELIABILITY DIGITAL TEMPERATURE AND HUMIDITY SENSOR USING LM393. VIN 3-5V Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features With Output Signal Indicator.Single Output Signal.Active Output Signal Level is Low.Unable to measure the percentage of the specific humidity.No need for driver.Directly Connected with Single-chip MicrocomputerSize : 32mm x 20mm wide x 11mm highMain chip: LM393, Humidity Sensitive ResistorWorking Voltage: 3~5V DC