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Adding a Soft Start to Water Pump Motors – Reducing Relay Burning Problems

Last Updated on August 8, 2026 by Swagatam 142 Comments

In this post I have explained a few innovating and simple soft start circuit examples which may be implemented with heavy duty motors so that they are able to initiate with a soft start or a slow sluggish start instead of a sudden, bumpy start Why Soft Start is Crucial for Heavy Motors When heavy […]

Filed Under: Water Controller Tagged With: Adding, Motors, Pump, Soft, Start, Water

Refrigerator Motor Soft Start Circuit

Last Updated on June 30, 2026 by Swagatam 26 Comments

refrigerator soft start circuit

Refrigerators tend to draw appreciable amounts of current each time their compressor switch ON, and this could happen many times per day. A soft start circuit to the compressor motor could probably tackle this issue and help save electricity. The idea was requested by Mr. Naeem Khan. Technical Specifications I need your help regarding to […]

Filed Under: Motor Controller Tagged With: Motor, Refrigerator, Soft, Start

PWM Motor Soft Start Circuit to Prevent High Consumption during Power Switch ON

Last Updated on June 30, 2026 by Swagatam 224 Comments

triacpwmdriver

In this post I have explained an effective PWM motor soft start circuit which can be used for enabling heavy motors with a soft start and thus prevent the equipment from drawing dangerous high currents. Why a Soft Start High wattage motors such pump motors or other forms of heavy industrial motors tend to draw […]

Filed Under: Motor Controller Tagged With: High, Motor, Prevent, PWM, Soft, Start

Rain Triggered Instant Start Windshield Wiper Timer Circuit

Last Updated on May 16, 2026 by Swagatam 6 Comments

raintriggererdwipercircuit

The following circuit was requested by one of the readers of this blog Mr. Keval. The actual request was for a rain triggered windshield wiper circuit, but the idea here has been further enhanced with a quick start feature for better efficiency. How Conventional Wiper Systems Work Normally, electronic wiper control circuit involve a bistable for switching the […]

Filed Under: Automobile Electronics Tagged With: Instant, Rain, Start, Triggered, Windshield, Wiper

Oil Burner Button Start Ignition Circuit

Last Updated on May 16, 2026 by Swagatam 9 Comments

oilburnercontrollercircuit

In this post I have explained a simple automatic ignition for an oil burner system system which is initiated with a push button operation. The idea was requested by Mr. Andreas. Technical Specifications I have a request and i wonder if its possible for someone to find a simple circuit about oil burner controller. I’m […]

Filed Under: Automobile Electronics Tagged With: Burner, Button, Ignition, Start

Motorcycle Button Start Locking Circuit

Last Updated on May 16, 2026 by Swagatam 4 Comments

speed2Blimit

In this post I have explained how to modify an existing button start system in motorcycles so that it’s disabled as soon as the engine has started and gained the required minimum amount of RPM. The idea was requested by Mr. Jordan Circuit Requirements I just discovered your splendid site/blog with focus on education about […]

Filed Under: Automobile Electronics Tagged With: Button, Locking, Motorcycle, Start

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