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Recent New Posts


 The experimentation of 2-bit binary counters by CD4027-SN7473

Friday, September 21st, 2012

We are experimental to create a simple counter circuit today, is a 2-bit binary counters. Which consists of the gate and flip-flop both of TTL-IC type. We use the ICs are NAND Gate number: SN7400N and the flip-flop No: SN7473N, which consists of JK-FF two pieces. We use only one at a time, so can […]


 Microprocessor dc regulator supply 5V 3A by LM323K

Thursday, September 20th, 2012

Those who want to have the power supply circuit for use in experiments such as logic circuit and/or the Microprocessor types that use voltage size 5 volt And the amount of current consumption very much. This circuit will respond your needs did well – Due to this circuit is very simple with the IC-LM323K (or […]


 Micro mixer circuit by TA7137

Wednesday, September 19th, 2012

If you are looking for a micro mixer circuit that create a simple, affordable, small and compact, and be usable versatile, must be this circuit. We can use to mix up to four input channels such as the microphone signal, FM Tuner, AUX and Other signals, As circuit shown in Figure 1. How it works. […]


 0-70 Volt 2 Amp DC variable power supply

Tuesday, September 18th, 2012

When you want to adjust the dc power supply circuit voltage up to about 70V. But the “Cheap adjustable 0-30V 2A Laboratory DC Power Supply” project can fine maximum voltage is 30 volt only. We need to add more 40V. You do not look difficult. We can adapt very easily, with the addition of just […]


 Bass guitar super bridge amplifier 200 watt.

Monday, September 17th, 2012

If You want to circuits amplifiers for bass guitar, or for using in every situation such as both listen to in the house, outside the house or outdoors. This circuit is answer that you is looking for. It is wisely designed with power output at 200 watt in super bridge model so help to you […]





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