GEVV Archive

AVR Temperature Measurement System

Atmel AVR, Atmel microcontroller series with a super “Temperature Control Measurement System” 16 sensor inputs 4 alarm inputs and the computer’s connection. Temperature measurement, alarm, an exemplary application in the..

PIC18F2455 OBD2 USB to RS232 converter circuits

USB-RS232 converter does not work well on desktop computers, but useful for Notebooks without COM port, most laptop computers do not have Serial com-port. Circuit PIC18F2455 microcontroller based on the..

24V to 12V Step Down DC DC Regulator LM2576

Integrated Switching Regulator LM2576 12 volts to 24 volts with a lowering circuit. National company produced by the LM2576 SIMPLE SWITCHER 3A Step-Down Voltage Regulator made ​​with a nice application..

Tv Remote Jammer Circuit 555

Joking can be used as a fun tool, a simple TV remote control is preventing circuit Integrated circuit made ​​with NE555 Timer. Tv Remote Jammer 10k potentiometer on the circuit..

Old Cd Rom Track Player with Microcontroller

Old Cd Rom in handy if you want to make a Track Player PIC16F877 and AT89C51, AT89S52 controllers are made ​​with good projects. Add to My Cdrom the features of..

PIC18F4550 Control stepping motor via USB interface delphi

This is an example that demonstration how to control some devices via USB interface.The PC software program with delphi. Feature : – CPU PIC18F4550 with full speed USB interface at..

Adjustable Power Supply Circuits Archive

In our workshop, to run various circuits, or battery, battery charger that you can use in projects 0.x 0:30 volt power supply circuit that contains a variety of amps I’ve..

100 Watt Hifi Amplifier Circuit and 5-Band Equalizer

Although a bit complicated PCBs in the circuit diagram drawing made ​​easy thanks to an amplifier circuit. Quite elegant in a printed circuit board component layout design very elegant addition..

100 Watt Amplifier Circuit TDA7294 PCB

TDA7294 integrated amp is pretty popular in a very sound system is being used. Has a very clean sound. The materials used in the circuit with very little a few..

Microcontroller Controlled Robot Projects

Multi-robot projects have been realized with the microcontroller. In addition to professional practice ‘projects have simple robot Most of the projects in the PIC16F series microcontrollers used ATMEL series over..