Category Archive: Electronics Projects

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Bridge Bidirectional DC Motor Speed ​​Control PWM PIC12F629

| 2008/03/09

Bridges connected motor speed control circuit 12f629 controller based on the PWM method and the motor is driven integrated outputs 2N7002 MOSFETs reinforced with assembly language prepared by the source. Asm,. Hex code and eagle prepared with diagrams, printed circuit board files there. Fully solid-state, bi-directional output (without relays) Lightweight materials SMD (surface mount) 10…

PIC16F84A Simple LED Ciruit

| 2008/03/09

A very simple application is carried out with the PIC16F84 PIC programming can be useful for beginners People Summer program after program with MPLAB ASM extension Alt + F10 on the keyboard and save when you press Go MPLAB ASM code translates into HEX codes (they say). If there are errors in the ASM code…

Experiment Board for 40-pin PIC-Microcontrollers Development

| 2008/03/07

Experiment with a lot of features for free pic development board PCB diagram drawing and painting has been completed state. 40 PIC series can be used for serial port interface (MAX232) button link 2 × 16 LCD unit, LEDs, 7-segment display indicators DS18S20, 24C256, 25C040, 93C86 EEPROM section and PCF8583 plus any external input logout…

NiMH NiCd Battery Charger Circuit PIC16F877 PIC16F876

| 2008/03/07

NiCd NiMH Charger Circuit The accu cycler project presented here is an excellent solution for charging and discharging NiCd and NiMH accumulators for R/C modelers and others who make use of these accumulator types. With its performance it is very close to the many of the commercial products available on the market. The firmware for…

PIC16F84 Barcode Reader Circuit

| 2008/03/07

Barcode also outline some ofstandard, which is the NW-7 is a standard bar code reader by the hand scan prototype system. NW-77bit—14—3—01 NW 7-7-bit code standard, and is one of the four characters are three black bars and white bars and fine performance element to 0, with a diameter elements. Character than the width between…

PIC12C509 Remote Receiver Transmitter

| 2008/03/07

Summary infrared remote control for video and television transmitter sent from the terminal and control code to determine, on, off, and can be reversed. NEC Matt Howe Institute consumer electronics products that conform to the transmitter, if possible on most operating there, in our multi Sony verify remote control transmitter manufacturer, Matsushita, Hitati, Toshiba, NEC,…

PIC12F629 PWM SMPS Control

| 2008/03/06

PIC12F629 microcontroller is done with PWM Control GP0, GP1 output MOSFETs with BUK555 in the SMPS transformer EI33 if sülü. 25kHz operating frequency of the circuit tests made ​​with 50w load. ATX SMPS power supply transformer ei33 from the author of deploying and re-festooned dressing. It is a chopper to 25 kHz built around a…

1.5V to 5V DC DC Converter 3V to 9V DC DC Converter Circuits LT1073

| 2008/03/06

Two DC DC Converters project than 1.5 volts and 3 volts, 5 volts from the 9 volt converter converter LT1073 DC to DC converter integrated circuit used in two The LT1073 is a voltage converter DC-DC. This circuit requires only five external components in its adjustable (three components in its 5V – LT1073-5).The input voltage,…

PWM Motor and Power Control with PIC16F84

| 2008/03/05

PIC16F84 4 MHz crystal is connected 100 Hz PWM output produces a pulse width of 10 separate levels are adjusted these values ​​asm software vary from circuit only engine that not all GUS control applications can be used on a frequency of 50 Hz is set inverters driven circuit two buttons have their power levels…

USB Battery Charger Circuit Nimh Nicd

| 2008/03/04

Charger Circuit LM393 op-amp based on the computer’s USB port with 5 volts on 2 AA NiMH, NiCd batteries can be recharged. Charging current of 470 pcb circuit drawing and detailed information have. During charging, R1, R2, and R4 form a three-way voltage divider which yields about 1.26V at the non-inverting input of Z1a (pin…