If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...

This post describes the preliminary results of a small Hall-Sensor module. This is widely known as KY-024 module. The KY-024 sensor module I got from an online retailer is inexpensive, and the ...

The DHT22 temperature and humidity sensor is a versatile and cost-effective sensor used to measure ambient temperature and humidity for a wide range of applications. It is based on a digital signal ...

An analog Hall effect sensor is a device that uses a magnetic field to measure the position or motion of a magnet or metallic object. The sensor outputs an analog voltage that is proportional to the ...

Notes: Arduino program for measuring the rpm of an unidentified DC motor using a hall effect sensor to measure rotation of a disc with an embedded magnet For this project a custom mount was created in ...