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System circuit (not) Minimum (Evaluation Board) AT89C2051 and AT89C4051

Senin, 16 Mei 2011 by skemarangkaian

Maybe we are more familiar with the term Minimum System AT89C2051 circuit, but this time I present a circuit which is not only a series of Minimum System AT89C2051 but more than that.

System circuit (not) Minimum (Evaluation Board) AT89C2051 and AT89C4051

The circuit is more deserves to be called Evaluation Board AT89C2051 and AT89C4051. Some of the advantages of circuit Minimum System AT89C2051 / AT89C2051 and AT89C4051 Evaluation Board which I was present this time, hardware-hardware support below:


RS-232 interface, DB-9
Header for LCD display
I2C, PCF8574 I / O extender
AT24C04, I2C EEPROM

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200W power amplifier complete power supply

by skemarangkaian

This 200W power amplifier circuit using IC STK 4050.
STK 4050 is a power amplifier module is very powerful, because the IC is already a module then only needed a little extra components to build a reliable 200W Power Amplifier. Here is a picture series of Power Amplifier ICs 200W use STK 4050 complete with its power supply:
200W power amplifier complete power supply

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Simple Inverter with Two Transistors

Minggu, 15 Mei 2011 by skemarangkaian

The series below is a simple inverter circuit that will change the voltage of 12v dc to 220v ac, with use drive transistor 32 as its tip.
Inverter circuit is very simple and easy to assemble and is perfect for just starting to learn to assemble electronic circuits, you can use the transformer 2A to produce about 20 watts output. Do not forget to install coolers in its transistors. good luck.
Simple Inverter with Two Transistors

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