Human Presence and Motion Sensor - STHS34PF80 (Qwiic)

The SparkFun Human Presence and Motion Sensor is built around the STHS34PF80 low-power, high-sensitivity infrared (IR) sensor from STMicroelectronics. This sensor features an infrared motion and presence detection sensor with an operating wavelength between 5µm and 20µm. Thanks to its exceptional sensitivity, the STHS34PF80 can detect the presence of a human being at a distance up to 4 meters without the need of an optical lens.

The STHS34PF80 sensor has been designed to measure the amount of IR radiation emitted from an object within its 80° field of view. The information is digitally processed by the ASIC, which can be programmed to monitor motion, presence, or an overtemperature condition.

The sensor can operate in multiple lighting conditions and is unaffected by visible light or other bands thanks to the 5 to 20µm optical band-pass filter. The STHS34PF80 has an output data rates between 0.25 to 30 Hz and an available single-shot, which are accessed through its I²C/SPI interface.

More information is available on the website of Sparkfun.