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Newly Updated Circuit Projects:

Tuned Infrared (IR) Detector Circuit

Last Updated on July 6, 2019 by Swagatam 4 Comments

irSENSORCIRCUIT

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 I have explained the application in detail and learn how it may be possible to successfully implement the idea using tuned IR detector circuits. The idea […]

Filed Under: Sensors and Detectors Tagged With: Detector, Infrared, IR, Tuned

How to Make a Classroom Debate Timer Circuit

Last Updated on July 6, 2019 by Swagatam 6 Comments

classroom debate timer

In this post I have explained how to make a simple classroom debate timer circuit which can be used to illuminate two sequentially toggling lamps to indicate the start and finish of the lecture time delivered by the respective members in the class. The idea was requested by Animale. Technical Specifications I’m trying to make […]

Filed Under: Timer and Delay Relay Tagged With: Classroom, Debate, Timer

Wireless Home Security Circuit – Solar Powered

Last Updated on July 6, 2019 by Swagatam Leave a Comment

warning2Bsecurity

In this article I have explained a remote controlled wireless home security circuit using which enables the detection of a possible intrusion way in advance depending on how and where the remote sensors are positioned over the selected strategic locations and the desired distance from the house. The idea was requested by Mr. Dave Monette. […]

Filed Under: Security and Alarm Tagged With: Home, Powered, Security, Solar, Wireless

RC Helicopter Remote Control Circuit

Last Updated on July 6, 2019 by Swagatam 22 Comments

remote6channel

In this post I have explained a simple RC helicopter remote control circuit using 433kHz RF modules, without any microcontroller or complex joystick implementations. The idea was requested by Mr. Jitendra. Circuit Objectives and Requirements I am making a large scale RC helicopter. In which I am using 4 motors. For 1st main 12v motor: […]

Filed Under: Remote Control Circuits Tagged With: Control, Helicopter, RC, Remote

LM324 Variable Power Supply Circuit

Last Updated on July 6, 2019 by Swagatam 206 Comments

power supply

The presented universal power supply circuit can be used just for anything, you can use it as a solar battery charger, bench power supply, mains battery charger circuit, or for any desired application regardless of the voltage and current range, which are extremely flexible and fully adjustable. Main Features: The mains features of this power […]

Filed Under: Power Supply Circuits Tagged With: LM324, Power, Supply, Variable

Autoclave Heater Controller Circuit

Last Updated on July 6, 2019 by Swagatam 6 Comments

autoclave

In this article I have explained how to make a simple and accurate autoclave heater controller circuit with timer. The idea was requested by Mr. Rajjab. Circuit Objectives and Requirements This is Rajab Ali from Afghanistan. We need a circuit for controlling an autoclave for sterilization in hospital the machine works as. when starts cycle […]

Filed Under: Temperature Controllers Tagged With: Autoclave, Controller, Heater

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