
Differential pressure (and air flow) meter
thingiverse
DIY handheld battery-powered differential pressure meter for measuring air flow in HVAC applications. It is based on Sensirion SDP810-500Pa differential pressure sensor (measurement range ±500 Pa, zero point accuracy 0.1 Pa). Firmware is mainly based on ESPHome.All details and software at GitHub: https://github.com/ardiloot/dif-pressure-meter
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