Simple Thermostat Circuit Using Transistors

The electronic thermostat explained here can be used to control the room temperature by appropriately switching (turning on and off) a heating device. By: R.K. Singh Operational details of electronic thermostat The circuit employs a thermistor NTC (negative temperature coefficient) as the sensor device. – As long as the ambient temperature stays higher than the … Read moreSimple Thermostat Circuit Using Transistors

Thermostat Delay Relay Timer Circuit

The circuit given below describes a time delay relay system which is used for keeping a hot air blower working under a specifically programmed timing sequence. The idea was requested by Mr. Doug Shadix, let’s learn more: Technical Specifications Hi Swagatam, Looks like you know your stuff when it comes to these timer circuits, this one … Read moreThermostat Delay Relay Timer Circuit

How to Build a Simple Egg Incubator Thermostat Circuit

An electronic incubator thermostat circuit shown in this article is not only simple to build but is also easy to set and acquire exact tripping points at various different set temperature levels. The setting may be completed through two discrete variable resistors. How Incubators Work An Incubator is a system where bird/reptile eggs are hatched … Read moreHow to Build a Simple Egg Incubator Thermostat Circuit

3 Accurate Refrigerator Thermostat Circuits – Electronic Solid-State

Interested to make an accurate electronic thermostat for your refrigerator? The 3 unique solid state thermostat designs described 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 electricity and also increasing … Read more3 Accurate Refrigerator Thermostat Circuits – Electronic Solid-State

Induction Heater for Labs and Shops

The post explains how to make small homemade induction heater circuit for laboratories and shops for carrying out small scale heating jobs such as melting ornaments, or boiling small quantity of liquids using electricity or battery The idea was requested by Mr. Suni and Mr. naeem Circuit Objectives and Requirements Our challenge is to make … Read moreInduction Heater for Labs and Shops

Automatic Food Warmer Lamp for Hotels

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