Read a JUJIE MF30 micro thermal mass flow meter on ESP32 using the 4-20mA current loop, with calibrated ADC readings, shunt-resistor wiring, and PlatformIO/Arduino example code.
iot arduino esp32 platformio embedded-systems adc 4-20ma current-loop sensor-interface mass-flow-meter mass-flow-sensor thermal-mass-flow-meter industrial-sensors
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Updated
Jun 10, 2026 - C++