GEVV Archive

Adjustable Laboratory Power Supply Circuit 37V 3A

Voltage current adjustable power supply circuit is based on LM723 voltage regulator IC, the power transistors used are 2 bd249 input voltage dc 40 volt dc 1volt 37volt voltage adjustment..

Li-ion Lipo Battery Charger Circuit MAX1811 USB Powered

MAX1811 USB port on to recharge the battery produced an integrated very little material circuit can be established circuit charge status LEDs can be observed also 4.1 volts, 4.2 volts..

Antenna control ccs c with 16f877 button with LCD display

A project made upon request by FxDev, which prepares CCS-C Codes, provides 2 buttons for direction control, the third button up and down, and the output to be 1 (+5v)..

Boxed SMPS Design Cooling Examples

SMPS circuits usually open type cooling is very important in power supplies adapter or amateur field studies, so not a problem because it is spacious area has a large fleshy..

Microcontroller Controlled Metal Detector Circuits Over 1M

Metal detector circuit controlled by pic16c84 microcontroller with detailed descriptions, circuit diagram layout pcb material list asm hex files Other ICs used in metal detector circuit TL072, ICM7555, LMC7660, LM318,..

Analog Metal Detector Circuits

Title not fully descriptive of integrated CMOS op-amp and I said, but used in some specific integrated in projects Metal detector circuit with the same features as the previous microcontroller..

Digital camera flash, continuous light modified

N555 to the one-in flash unit in a digital camera based on the modified MOSFET been supplemented with a simple control circuit to provide continuous light is provided Flash old..

PIC16F877 PIC16F84 Proteus isis Picmicro Development Board Simulations

The code for 16F877 microcontroller 16f84 written ready for trial test circuit in Proteus ISIS additional 3 pcs 5 pcs assembly application (king rider, walking light flashers) have Proteus isis..

BMP Bitmap to PicBasic Pro Code Generator Program for Graphic LCDs

You can convert pictures in BMP format to picbasic pro pbp codes, if you want, you can convert the picture you selected from the Open section by pressing the “Convert..

Hardware keylogger circuit with Atmel AT89C2051

The keylogger circuit built on Atmel AT89C2051 is connected between the PC connection cable of the PS 2 keyboard, the circuit is written on the AT24C512 eeprom, then the eeprom..