GEVV Archive

USB Port Relay Control with Atmel Atmega8

I had searched a lot once for this type of circuit, although my searches were a circuit made with Microchip PIC Series. 6 relay control can be done via usb..

Embedded RTL8019AS Web Server Project ATMega103

I quickly was able to appeal to the network card via a 8-bit data bus. The connectivity of the network card and thus the RTL8019AS chip via two 8-bit ports..

USB Controlled Web Site Hit Counter Atmel Attiny25 with Delphi

Web site counts the number of inputs to the circuit .. Circuit attiny25 an interesting and MAX7219 section based on the indicators used for the 7-segment display 8 hunting and..

Audio Circuits Archive

Electronic audio circuits archive, but actually different circuits have tried most of the tests are complete concentration on the audio circuit schematic and PCB Excludes all specified drawings prepared by..

230V 300W Lamp Sound Control

We provide a simple and very inexpensive realizable Light organ for fast Plug & Play before use, the lamps with an output of up to 300 W “power” can. The..

8051 Stopwatch Circuit with Lcd Display

Methods Used in Circuit Design After deciding what to do in circuit design, it is necessary to choose or seek the methods that will save the most time and cost..

PICMicro PWM TMR0 Calculators

Microchip PIC microcontroller series of Pwm Tmr0 Time Delay code calculations for programs PICMicro Pwm Calculator Oscillator frequency settings when TMR2 PR2 identify values ​​Actual values ​​automatically gives frequency resolation..

C200 Power Amplifier Circuit PCB Schematic

8 Ohm 4 Ohm 125W 200w power amplifier circuit transistor is a quality two channel stereo mono single channel if you want to use the same circuit must log 2..

0-30V 0-10Amp Adjustable Protected Power Supply Circuit

Very strong power supply high power devices circuit to run the ideal voltage and current settings accurately can be done over-heat protection temperature fan control features used power transistors tip142..

LED Display Speed Meter Circuit with AT89C51

Speed Meter Circuit consists of four parts. These Supply solid floor Sensor sensor, microcontroller and microcontroller solid hexadecimal numbers we obtained from the 7-segment display technology with time code converter..