Capacitive Humidity Sensor to Analog Output Converter

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https://www.electronics-lab.com/project/capacitive-humidity-sensor-to-analog-output-converter/

The project presented here is an analog capacitive humidity sensor converter board suitable for various humidity measurement tasks. The circuit comes from Texas Instruments application note (see below). Most conventional capacitive proximity sensors produce a digital signal, but this circuit produces a DC output voltage that is a function of the relative humidity of the […]

Humidity Meter Using OLED Display – Arduino Compatible

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https://www.electronics-lab.com/project/humidity-meter-using-oled-display-arduino-compatible/

This is an easy to build, very compact, and low profile Arduino compatible platform to build a humidity meter/Gauge using a 0.96Inch OLED display. The project consists of Atmega328 microcontroller, 0.96Inch OLED display, 3.3V regulator, and HIH5030 analog humidity sensor from Honeywell. The HIH5030 sensor provides an analog voltage output, the analog voltage is near […]

Humidity Sensor – Humidity to Frequency Output

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https://www.electronics-lab.com/project/humidity-sensor-humidity-to-frequency-output/

This sensor board provides frequency output as per relative humidity value. The project is based on a unique capacitive cell, this relative humidity sensor is designed for high volume, cost-sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems. It is also useful in all applications where humidity […]