GEVV Archive

Voltage Current Regulated 2N3055 LM723 Power Supply

Modification of the LM723 2N3055 stabilized power supply. I have always been concerned that the voltage drop is large when a load is applied and this is clearly visible even..

LM317 Li-Ion Batteries Fast Charger Circuit

Lithium-ion rechargeable battery, charging in a constant voltage constant current system. Charger No-load voltage is a deep discharge battery check if below 2.9V per cell 0.1ltmA after charging at a..

Roland DG CMU-800 Midi Modification PIC16F876

Roland DG CMU-800 SYNTH Drum midi device midi controller for the property prepared by 16f876 microcontroller circuit Taking into account the built-in console, PIC16F876 using a simple configuration was possible…

12V to 24V Step-up DC DC Converter Circuit LM2588ADJ

The input voltage is 12v, the output is adjustable between 12-24 volts. It has 5 ampere power. The coil used is 50μH 5 amps. Setting the LM2588-ADJ output voltage is..

Multiple PIC Copy Circuit

So far I have not seen such a circuit in a web environment could work in mass production programming section has been removed by the original photos used only copying..

PIC16F84 LED Display Frequency Counter Circuit

LED 6 digit display for rig frequency counter -Just as it may seem at frequency display of rig, and produced a dot LED-PD4435 counter, and make use of this in..

VU Meter Circuits LM3914 LM3915 PCB

VU Meter circuit has 2 versions of the LM3914 and made ​​with lm3915.. LM3914 Dot Bar Display Driver LM3914 is a monolithic integrated circuit that senses analog voltage levels and..

Example Visual Basic RS232 RF Communication PIC16F84

PC serial port (RS232) with the RF transceiver and electronic circuits PIC16F84 controlled, etc. can be an example for the exchange of data between All the resources are there vb6..

555 PWM Circuit 12v Lamp Dimming or Motor Speed Control

A simple useful Power control circuit can be used for 12v lamp dimming dimmer or motor 12 volt motor speed control. In the circuit diagram, the driver appears as integrated..

PICmicro the Servo Motor Serial Port Control Project

PIC16F877 pic16f876 via the serial port and control the servo motor with 8 additional program code in addition have prepared for the test sample c language To follow this project..