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Pump Motor Timer Circuit Diagram with Dry Run Protection

Last Updated on January 17, 2025 by Swagatam 19 Comments

Pump Motor Timer Circuit with Dry Run Protection

In this post I have explained about a circuit which can be used to monitor and detect the presence of municipal water supply by operating a pump motor through an intermittent ON/OFF timer. The timer keeps the pump motor ON for 15 seconds, if water is not detected, the pump is switched OFF for the […]

Filed Under: Water Controller

Simple Motorcycle Security Alarm Circuit

Last Updated on February 2, 2024 by Swagatam 4 Comments

motorcycle anti theft alarm circuit diagram using tilt switch and TTP223

In this article I have explained a simple motorcycle ant-theft security alarm circuit using a tilt switch and a TTP223 touch switch. The circuit was requested by Mr. Sergei, as given below. Design Request and Specifications I am a motorcyclist and I would like to ask you to design a simple and cheap alarm system […]

Filed Under: Automobile Electronics, Security and Alarm

High Voltage DC Motor Speed Regulator Circuit

Last Updated on June 3, 2023 by Swagatam 15 Comments

high voltage motor controller

In the realm of motor control systems, high voltage DC motors play a crucial role in numerous industrial and automotive applications. Efficiently controlling the speed of these motors while ensuring operator safety and isolating sensitive components can be a challenging task. However, with the advent of advanced technologies, such as optocoupler motor controller power stages, […]

Filed Under: Motor Controller

Wireless DC Motor Speed Control Circuit

Last Updated on August 30, 2021 by Swagatam 10 Comments

block diagram compressed

In this post I will show how to construct a wireless DC motor speed control circuit which can be controlled using any IR based remote controller. The proposed project has two main objectives; the first one is 5 step sequential speed control of a 12V DC motor using IC 555 (PWM) and controlling the PWM […]

Filed Under: Motor Controller

Regenerative Motor Acceleration Experiment

Last Updated on June 9, 2021 by Swagatam 10 Comments

regenerative motor acceleration set up compressed

In this post I have explained about this special regenerative motor coil overunity phenomena which can be very interesting to the primary level experimenters like us. In this experiment a motor shaft is connected with a disc which has a few number of magnets attached radially at equal distance. An external high impedance coil is […]

Filed Under: Free Energy

Line Laser Controlled Motor Alignment Circuit

Last Updated on January 2, 2024 by Swagatam 17 Comments

laser line motor compressed

In this post I have explained a simple line laser controlled motor driver circuit, which works by responding to a precision horizontal laser line, generated from a line laser level device, and automatically adjusts the alignment of the connected tool or the job work with extreme perfection and accuracy. What is Line Laser The line […]

Filed Under: Motor Controller

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