CircuitGeek

Reflow toaster making is a very fun and exciting experience and the interest thing about it doesn’t even cost you too much to start this project.

Ok, first thing first, you need to purchase a cheap second hand toaster from WallMart or anywhere you can think of it (It will measly cost you about $50-$80 for [...]

If you are making a project with remote temperature sensors and you are using thermocouple you definitely need a thermocouple amplifier. This circuit uses OP07 non inverting amplifier. The circuit has 50Hz filter to reduce reading jumps when hight three phase contactor operates. It also has industrial protection which protects open sensor in case the [...]