In this post I have explained a simple op amp based thermocouple temperature meter circuit which can be used for measuring high temperatures in the range of 100 °C to 1000 °C, in heaters, furnaces, kilns tec. What is a Thermocouple A thermocouple is a simplest and the cheapest form of temperature sensor device, built […]
Temperature Controllers
Furnace Vent Controller Circuit Diagram
This interesting furnace vent controller circuit was designed and submitted to me for publication by a dedicated reader of this blog and a keen electronic enthusiast Mr. August Peterson. I am extremely thankful to Mr. August for his very useful and generous contribution to this site. Here’s the email sent by him, with the technical […]
Solar Powered Induction Heater Circuit
In this post I have explained an induction cooker/heater design which may be powered from a solar panel voltage. The idea was requested by Mr. Vamshee Technical Specifications My name is Vamshee and i am from hyderabad , India I am a small time entrepreneur looking to promote and sell new age products into the […]
Small Induction Heater for School Project
In this post I have explained a small induction heater circuit for school project and exhibitions, using a very ordinary IC 555 astable PWM circuit. The idea was requested by Mr. Anthony Technical Specifications For a school project i need to construct an AC induction cooktop and was wondering if you could help me put […]
LM35 IC Temperature Controller Circuit with Push Button
In this post I have explained a simple yet very accurate temperature controller circuit using IC LM35, featuring an automatic cut off with a push button latch. LM35 is a precision temperature sensor IC, which can be effectively used for detecting temperature differences accurately. For more details regarding this IC you can refer to this […]
Induction Heater Circuit Using IGBT (Tested)
In this post I will comprehensively discuss how to build a high power 1000 watt induction heater circuit using IGBTs which are considered to be the most versatile and powerful switching devices, even superior to mosfets. Induction Heater Working Principle The principle on which induction heating works is very simple to understand. A magnetic field […]