Let’s get started now to examine the implementation of a magnetic sensor-based device for measuring bicycle speed over a certain meter. The illustration below illustrates how to mount the magnet […]
Types of Biometric Sensors and Its Working
The phrase biometric comes from the Greek words bio and metric. Where bio signifies life and metric suggests measurement. Biometrics are accustomed to determine physical and mental qualities of a […]
Theremin Circuit
Theremin circuit is a device which generates musical effects in response to the capacitive proximity of a human hand. This is the only musical instrument known to the writer that […]
Simple Metal Detector Circuit
This circuit can be used to detect the presence of any metal within the detection range of the sensor coil. In this post we will learn how to make a […]
Magnetic Proximity Switch Circuit
This magnetic proximity switch circuit can be used to switch a load ON/OFF when a magnetic field is detected. How the Circuit Functions The Magnetic Proximity Switch Circuit is based […]
Light Activated Switch Circuit
This light activated switch circuit, automatically switches ON a connected lamp when night falls, and switches it OFF during day break. It has many applications, it could be used as […]