In this post we are going to explore the datasheet of PIR or Pyroelectric Infrared Radial Sensor HC-SR501. We will understand for what purpose PIR sensor is used? Its basic […]
PIR Solar Home Lighting Circuit
The post explains a simple circuit using Passive Infrared or PIR for making an automatic solar LED lamp which can be used for illuminating your home automatically at sunset, and […]
Make this IR Remote Control Range Extender Circuit
In this post we will learn how to increase or extend the range of an ordinary infra red or IR remote control through a 433MHz RF remote control system. IR […]
4 Simple Proximity Sensor Circuits – Using IC LM358, IC LM567, IC 555
An IR proximity sensor is a device which detects the presence of an object or a human when it is within a predetermined range from the sensor, through reflected infrared […]
Using TSOP17XX Sensors with Customized Frequencies
The TSOP17XX series ICs are special infrared sensor devices built for responding to specific range of infrared frequencies and convert it into an electrical pulsed output. It thus features a […]
Make this Line Follower Robot for Science Fair Project
In this post we learn how to build a line follower robot circuit using Arduino, which will run over a specifically drawn line layout and will faithfully follow it as […]