The post discuses the pinout details of the standard passive infrared (PIR) sensor RE200B and also explains how to make a motion detector circuit using a single transistor and relay, which can detect the IR radiation from human body and activate the attached relay. What is a PIR PIR is the acronym for Passive Infra […]
Search Results for: infrared
Contactless Sensors – Infrared, Temperarture/Humidity, Capacitive, Light
The article discusses a few highly advanced contactles sensors such as infrared sensor, temperature sensor, humidity sensor, light sensor which can be used for crucial and sensitive industrial applications, and manufacturing plants. Texas Instruments (TI) introduced the growth of its industry-leading sensing integrated circuits with the inclusion of 4 innovative products that may empower technical […]
433 MHz Remote Infrared Wireless Alarm
A simple infrared wireless alarm circuit can be built using an 433 MHz RF remote control unit a TSOP based IR sensor, let’s learn the procedures in detail. In a few of the other posts I have discussed regarding these RF remote control modules. For more info you may go through the following relevant article: […]
Infrared Remote Controlled Door Lock
In this article we learn about a simple infrared remote controlled door lock circuit which can be used for securely locking doors through unique foolproof IR frequencies. The proposed infrared remote controlled door lock circuit can be used for locking your main door, gate, garage door, shop or any entrance which may need a foolproof […]
Infrared Remote Control Security Lock
A simple, cheap yet highly effective infrared remote control security lock circuit can be studied in the following post. Using IC LM567 The LM567 IC is one of my favorites simply because it’s too versatile, and becomes applicable in most of the crucial circuit concepts through hassle free configurations. One such crucial yet simple […]
Tuned Infrared (IR) Detector
The article is a continuation of the earlier post where we tried to find a solution for creating unique infrared IDs for trains in a model locomotive system. Here we try to understand the application in detail and learn how it may be possible to successfully implement the idea using tuned IR detector circuits. The […]
Model Locomotive Infrared Controller
The article discusses a model locomotive controller circuit using uniquely set IR beams for different locomotives allowing unique identification signals and controls for the engines. The idea was requested by Mr. Henrik. Technical Specifications Thank you very much for all your circuits / schematics. I will for sure build many of them. For my model […]
Infrared (IR) Controlled LED Emergency Lamp
Here we discuss a an emergency lamp circuit which includes an infrared remote operated brightness control feature. The idea was requested by Mr. Heeran Technical Specifications Can you please help me with two circuits. I want to build a backup led emergency lamp that works via an infrared remote . I want it to be […]
Infrared Staircase Lamp Controller
The article relates a simple automatic infrared controlled staircase lamp circuit which switches ON only during the presence of a passer-by and switches OFF automatically after a predetermined delay once the occupant vacates the corridor . The idea was requested by Mr. Sriram. Technical Specifications Hai, Recently while i was searching for automatic motor circuit […]
TSOP1730, 33, 36, 38, 40, 56 Infrared Sensor IC Datasheet
The TSOP 17XX series ICs are used in order to operate infrared remote control systems and consists of a number of miniature receivers. The lead frame is used to assemble the preamplifier and PIN diode along with the IR filter which is a design of the epoxy package. Submitted By Surbhi Prakash A microprocessor is […]
Accurate Infrared (IR) Remote
The IR remote control circuit discussed here uses a unique frequency and detects only the specified IR frequency from the given remote transmitter unit, making the design entirely failproof, accurate and reliable. Ordinary IR Remote Drawback Ordinary IR remote control circuits have one big drawback, they easily get disturbed by stray external frequencies, and thus produce spurious toggling of […]
Simple Infrared (IR) Remote Control
In this write up we discuss how to build a simple infrared remote control circuit for controlling a given electrical appliance through any ordinary or TV remote control unit. Introduction Controlling household electrical gadgets or any electrical equipment remotely can be fun. Controlling gadgets like a TV set or a DVD player through a remote […]
Infrared (IR) LED Flood Light
In this post we study a simple infra red based flood light system which can used for illuminating large landscapes during night for monitoring wide aresa through IR spectacle. The Design The adjoining design shows a simple IR flood light circuit diagram for IR illumination applications.The 4049 section is the basic voltage doubler circuit which […]
50 Best Engineering Projects for Final Year Students
In this post we sort out a list of most popular, 50 hand-picked and best engineering circuit projects specially created for all aspiring engineers for their final year project exhibition. The circuit projects include the latest and advanced microprocessor Arduino based designs with full program code. The list also includes projects using discrete parts which […]
TV Remote Control Tester
We all use remote control handsets for controlling various household devices such as TV, AC, Music systems, curtains etc, and sometimes we seem to have problems with these devices, or even a newly purchased remote controller unit occasionally seem to malfunction, and identifying the issue becomes quite difficult for us. This simple 2 transistor circuit […]
PIR Sensor Datasheet, Pinout Specifications, Working
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 trigger operations, pin connection details, technical specifications and finally we will be looking at some real life applications. By Girish Radhakrishnan and Swagatam We will […]
Make this IR Remote Control Range Extender
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 Range Extender Concept The idea of this circuit is to feed the IR data from an IR transmitter into the transmitter input of an RF […]
2 Simple Proximity Sensor Circuits
In this post we learn how to design your own simple yet useful proximity detector circuits using a single opamp LM351 and a couple of infrared diodes. Two concepts are explained here, the first one using an ordinary opamp, while the second one using IC LM567 which works with a phase locked loop principle ensuring […]
Using TSOP17XX Sensors with Customized Frequencies
We know that the center or band-pass operating frequency of a TSOP17XX IR sensor is assigned to a particular frequency which makes it difficult to use these sensors for designing unique or customized frequency based remote control circuits. In this post we will try to figure out an idea for enabling these sensors to work […]
Make this Line Follower Robot for Science Fair Project
In this post we learn how to build a line follower robot vehicle circuit using Arduino, which will run over a specifically drawn line layout and will faithfully follow it as long as it is available and traceable by its sensors. By Navneet Sajwan What is a Line Follower Robot An autonomous robot is a machine […]