A tap water heater circuit can be simply built by attaching an iron tube on the mouth of the tap or the faucet, and allow the iron pipe to pass through an induction heater coil. The induction heater will heat up the iron pipe and hence water passing through the the pipe will also heat […]
Temperature Controllers
4 LED Temperature Indicator Circuit
The 4 LED temperature indicator circuit discussed here is very useful for getting a visual information regarding the state of temperature which is to be monitored. Circuit Operation In the circuit temperature status is displayed using four LEDs. – A green LED, indicating that the temperature is in the desirable level- Two yellow LEDs are […]
Temperature Controller Circuit for Reptile Racks
The following article discusses a temperature controller circuit which can be used for controlling the temperature inside reptile racks. The idea was requested by Mr. Tom. Technical Specifications I’m looking to make a circuit to use to heat my reptile rack, I really like your incubator circuit, but do not have the electronics expertise to change it to suit […]
Autoclave Heater Controller Circuit
In this article I have explained how to make a simple and accurate autoclave heater controller circuit with timer. The idea was requested by Mr. Rajjab. Circuit Objectives and Requirements This is Rajab Ali from Afghanistan. We need a circuit for controlling an autoclave for sterilization in hospital the machine works as. when starts cycle […]
Make this Geyser Water Heater Timer Circuit with Automatic Switch OFF
In this post we study a simple water heater timer controller circuit which can be used in bathrooms for automatically switching OFF a geyser or a water heater unit after a predetermined time period as preferred by the user. The idea was requested by Mr. Andreas Technical Specifications Many of us when we need hot […]
Pellet Burner Controller Circuit
In this post I have explained a programmable sequential timer with controller circuit which may be used for automatically controlling a homemade pellet burner/boiler system. The circuit was requested by Mr. Vasilis. Technical Specifications I have used your circuit on my homemade pellet burner that uses a 12V Ac motor for the feeder screw running […]