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Passive Infrared (PIR) Motion Sensor Circuit

PIR with delay ON alarm

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 … Read morePassive Infrared (PIR) Motion Sensor Circuit

Joystick Controlled 2.4 GHz RC Car Using Arduino

In this post we are going to construct a car robot which can be controlled using a joystick on 2.4 GHz wireless communication link. The proposed project is not only made as a RC car, but you can add your projects such as surveillance camera etc. on the car. Overview The project is divided in … Read moreJoystick Controlled 2.4 GHz RC Car Using Arduino

Car Tank Water Sensor Circuit

The article explains a simple car tank water sensor alarm circuit using IC 555 and a pulsating signal on the sensing probes to pevent corrosion on the probes. The idea was requested by Mr. Peter. Circuit Objectives and Requirements I couldn’t find how to post a project proposal on your website. May be you can … Read moreCar Tank Water Sensor Circuit

3 Smart Laser Alarm Protection Circuits

The post discusses the making of 3 simple yet effective smart laser alarm protection circuit using the IC 555, for securing a specified restricted zone from human interventions. The idea was requested by Mr. Collins. Circuit Objectives and Requirements I just want to tell you what an amazing passion and dedication to electronics you have … Read more3 Smart Laser Alarm Protection Circuits

Automatic Torque Optimizer Circuit in Electric Motors

In this article we discuss a circuit design which will help to optimize the torque of an induction motor used in electric vehicles, by analyzing its current consumption. Using a IC 555 Inverter for Toque Control The design is specifically intended for electric vehicles which are designed to work with induction motors, and therefore here an … Read moreAutomatic Torque Optimizer Circuit in Electric Motors

Automatic Food Warmer Lamp for Hotels

food warmer lamp timer circuit

The post discusses a simple food warmer lamp timer circuit for restaurants and hotels which can be used for automatically switching OFF the lamps after a predetermined time whenever the food under the lamps are idle or in the absence of an interaction under the lamps, thus saving precious electricity. The idea was requested by … Read moreAutomatic Food Warmer Lamp for Hotels

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