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Refrigerator

Freezerless Refrigerator Circuit Diagram Explained

Last Updated on January 2, 2023 by Swagatam 4 Comments

single door refrigerator circuit

Existing frost free double door refrigerators function with the help of defrost timer and defrost heater for automatic defrosting. The objective of my circuit is to convert the existing refrigerator to one, without freezer (freezerless) Written and Submitted By: Subramanian. C.N. My circuit modifies the existing circuit of my refrigerator, by replacing the existing defrost […]

Filed Under: Home Electrical Circuits Tagged With: Explained, Freezerless, Refrigerator

Simple Refrigerator Protector Circuit

Last Updated on January 2, 2024 by Swagatam 104 Comments

This simple refrigerator protector circuit is actually a delay ON timer circuit which makes sure that whenever a power failure occurs or in case abrupt power fluctuations take place, the refrigerator is never allowed to switch ON instantly, rather after a delay of a few moments. Conventional Protection Features Today most modern refrigerators are equipped […]

Filed Under: Voltage Control and Protection Tagged With: Protector, Refrigerator, Simple

Make this Simple Refrigerator Door Open Alarm Circuit

Last Updated on January 3, 2024 by Swagatam 25 Comments

This presented refrigerator door open alarm circuit which alerts you after a period of time whenever your refrigerator door is left open. This circuit becomes very handy, because in case the door is left due to carelessness may cause significant increase in the consumption and affect the life of the fridge. Circuit Operation This circuit […]

Filed Under: Security and Alarm Tagged With: Alarm, Door, Open, Refrigerator, Simple

Refrigerator Motor Soft Start Circuit

Last Updated on January 6, 2020 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

3 Accurate Refrigerator Thermostat Circuits – Electronic Solid-State

Last Updated on January 19, 2025 by Swagatam 31 Comments

1 4

Interested to make an accurate electronic thermostat for your refrigerator? The 3 unique solid state thermostat designs I have I have explained in this article will surprise you with their “cool” performances. Design#1: Introduction The unit once built and integrated with any relevant appliance will instantly start exhibiting an improved control of the system saving […]

Filed Under: Temperature Controllers Tagged With: Accurate, Circuits, Electronic, Refrigerator, Solid, Thermostat

Simple Peltier Refrigerator Circuit

Last Updated on November 10, 2024 by Swagatam 11 Comments

HowtoMakeaSimplePeltierRefrigerator

In this post I have explained a straightforward procedure for building a simple refrigerator using Peltier device for generating the required cooling effect inside the fridge. How Peltier Device Works We are all familiar with a Peltier device and know how it functions. A Peltier device is a 2-wire semiconductor device having two surfaces that […]

Filed Under: Temperature Controllers Tagged With: Peltier, Refrigerator, Simple

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