The following post discusses a simple ion detector circuit which can be used for detecting positive and negative ions generated by high voltage circuits. This device can be also used […]
Search Results for: free electricity
AC Ammeter Circuit for Measuring Current across 220 V Appliances
In this article we learn how to build a simple AC ammeter circuit which can be used for checking the current consumption of household 220 V or 120 V appliances. […]
Tap Water Induction Heater Circuit
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 […]
How RCCB Works [with Circuit Diagram]
A Residual Current Circuit Breaker (RCCB) or a ground fault circuit interrupter (GFCI), is a form of circuit breaker which will shut down mains AC power as soon as it […]
100 °C to 1000 °C Thermocouple Temperature Meter Circuit
The post explains 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 […]
How to Kill Coronavirus with Ozone Gas Generator
The post explains the basic construction of an ozone generator apparatus for disinfecting a closed premise from dangerous viruses such as coronavirus. Ozone is a tested and an officially recommended […]