AC power monitor Archives | ElecCircuit.com

Simple non-contact voltage tester using transistors

This is Simple non-contact voltage tester using transistors next one circuit that use all transistor as main,it is cheap and easily build. Which many friends likeNon contact AC Detector Voltage. It use CD4060 as main

March 25, 2019Meters & Detectors8 Comments

Digitals & Microcontrollers Meters & Detectors

Non-contact AC voltage detector circuit using CD4060

This non-contact ac voltage detector circuit, using digital IC CD4060 as main components and resistor and LED display only. it is use 9V battery as power supply.

December 6, 2018Digitals & Microcontrollers, Meters & Detectors10 Comments

RF - Radio Circuits Meters & Detectors

3 Simple AC Wattmeter circuits

If you are looking for AC power measurement. To use it just a little, which is not worth it. When we need to buy an expensive tool. Because use little…

February 9, 2017RF - Radio Circuits, Meters & DetectorsNo Comments

Meters & Detectors

Many Simple LED AC mains voltage & current indicator circuits

We have many ways to indicates an AC line. A good way, the AC mains voltage indicator circuit with a LED. It may be the best choice. It saves and to be easy.

January 15, 2017Meters & Detectors26 Comments

Power on delay circuit and Surge protector

Controls & Timers

Power on delay circuits and Surge protector without transformer

This is Simple monitor turn on delay circuit, by use contact of relay acts as a switch. When entering an AC main to this circuit. The circuit will delay while Reduce the surge current protection with fuse.

February 20, 2010Controls & Timers2 Comments