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Recent New Posts


 220 volts power inverter using NE555 and MOSFET

Thursday, July 31st, 2014

Today I want to show you a 220 volts power inverter circuit. Which it is easy and small size. Because use NE555 and MOSFET as main. This circuit I experiment it work well,When use source is 12V battery will have output of 100 watts. The principle of circuit. I think many people does not like […]


 Cheapest Parts for you!

Thursday, July 31st, 2014

Hi, When we need to build many electronic projects. The parts are important. We want it cheap and easy to buy. Some products cheaper from amazon.com Parts DC converter Motor Amplifier Power supply


 Motor burn out and under voltage protection

Monday, July 28th, 2014

This is AC motor burn out protection causes of under voltage input. The principle is simple, it will check for voltage at all times. Normal voltage is 220V AC. If the voltage falls below a preset. Relay will not work and the LED is a warning. Can be set to cut no-off in the voltage […]


 Simple sound effect generator circuit using IC-555 and IC-4017

Saturday, July 26th, 2014

If we want to be a producer,This circuit would be a good starting point to composed music for 1000 tracks. As Figure 1 is a common circuit. Which will see them always when use LED running. We will use an IC-555 timer and IC-4017 Decade Counter Divider with 10 Decoded as sound effect generator with […]


 Simple guitar fuzz effect circuit using IC-741

Saturday, July 26th, 2014

In play guitar or other instruments. Sometimes people just want to be a sound of unusual instruments, from some common. and this fuzz effect circuit or crack, it is the circuit that is commonly used characteristics as shown in Figure 1. How this circuit works In Figure 1 as circuit diagram of this project, we […]



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