The earliest biosensor was designed back in 1950 by American biochemist “L.L Clark”. This Biosensor was appplied to determine oxygen in blood, and the electrode employed in this kind of […]
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 […]
Seismic Sensor Circuit
An earthquake (also referred to as a quake, tremor or temblor) is the trembling of the earth surface, ensuing from the abrupt discharge of energy in the Planet’s lithosphere which […]
Liquid Level Sensor Circuit
A liquid level sensor is a device which is used for detecting the level of a given liquid inside a container through an electrical conduction across a given set of […]
Proximity Detector Circuit – LC Tuned IC CS209
The post details an LC tuned proximity detector circuit, using a LC tank circuits and the IC CS209A This is a straightforward proximity switch circuit using IC CS209. The CS209A […]
Automatic Day Night Triggered Car Headlamp Circuit
In this post we learn how to make a simple automatic day night activated car headlamp circuit. The circuit uses a LDR for sensing darkness and daylight and results in […]
