DC to AC Converter circuit
This is a simple DC to AC Converter circuit,to converts 12VDC to 220VAC 50Hz/110V 60Hz as adjust frequency output using CD4047,MOSFET,power transistor and more
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February 25, 2019
LED Flashers Circuits and Projects using transistor
This is many LED flasher circuit and with PCB layout using transistors astable multi vibrator as low frequency oscillator below more...[...]
February 22, 2019
Simple 1.5V LED Torch circuit
The 1.5v led flashlight circuit which also use single AA 1.5V battery. But few parts. Such as we use one transistor only. And all other parts of 5 pcs only [...]
August 21, 2017
Simple High power LED flashlight
This is simple hight power LED flashlight,we use 24 LEDs super bright for display and 3 AA batteries and resistor for limit current so cheaper.
March 17, 2017
High power LED flashlight circuit, 6 LED for 1.5V AA battery
This high power led flashlight circuit look like torch by 1.5V battery only so it can be used, small so Easy to carry in various places,also very bright [...]
June 3, 2014
Cheap & Small hearing aids circuit project
This is cheap & small hearing aids circuit,use increase sound to head phone with 1.5V AA battery, and all transistor and a few components with small PCB [...]
January 5, 2013