GEVV Archive

Preamplifier 10 to six channels for SACD and Home Cinema The preamplifier to six lanes that we present is intended to pilot a HI-FI to five or six channels. You..

High Voltage Laboratory Power Supply. The power supply we offer provides an adjustable voltage from 50 to 450 Volts at a current of 500 milliamps with 0.1% resolution. Residual ripple..

Prepared for a professional camera, I guess it fits many models. Also, there are examples of pictures taken with led lighting. The circuit works with 12 volts, the control IC..

Prepare the Microcontrollers with LCD display application provides great convenience to the various imge converter programs .bmp format photos for graphic LCD PIC assembly (ASM) as a program that converts..

The design of the meter is the result of many experiences in the use and construction of various frequency meters, both factory and amateur. From these experiences, there are several..

The laboratory power supply circuit is similar to the classical transistor power supplies, the mosfet irfp150 is used as a power transistor, the author has placed the circuit in the..

Let’s start from the very beginning. In 1,790 years Alexander Volta built the first cell plating, which has been called stosem Volt. It consisted of coins made of two different..

Animator is actually a 5×16 LED matrix device used to display simple animations :). Initially, the device was used for something completely different and was controlled directly from the parallel..

Atmel ATMega16 that you develop with projects to try to develop a multifunction test, development board LCD connector UART input LEDs display various adjustments for the dip switch and control..

The operation of the thermometer circuit: If I explain the digital thermometer circuit made using the DS1621 temperature sensor. The operation of the circuit is as follows; The numerical value..