Category Archive: Electronics Projects

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NiMH and NiCad Batteries Fast Charger Circuit with PIC Microcontroller

| 2008/09/01

Fast charging circuit with PIC16F88 microcontroller can work with dc voltage between 7-30 volts. PIC16F88 used for control can fast charge NiMH and Nicad batteries whose supply is provided with LM317T. When the batteries are full, automatic charging is interrupted. There is heat protection with thermistor. The highest charging current is 2.5a. Quick Charger for…

Timer relay with PIC16F88

| 2008/09/01

For this Timer circuit, there is information about the operation of the system, how to use a circuit designed for the car called “Adaptive Turbo Timer”, but in English 🙂 still, the source codes are pcb and so on. Since it has drawings, it can give inspiration for different projects that are worth sharing. Adaptive…

Backup Battery Control Circuit

| 2008/09/01

For control in the backup battery controller circuit, L4949, 4093B integrateds are used, the status of the main battery is checked and when necessary, the backup battery is activated via the 80 amp relay – Control Circuit for L4949 4093B and Backup Battery 12/24V Auxiliary Battery Controller It is common practice to add a second…

High Power 12V 24V Motor Speed Control Circuit (40A)

| 2008/09/01

PWM Motor control circuit MC34063 switching dc dc regulator is used to supply pic16f88 microcontroller 4 mosfets are driven with PIC (IRF1405) EMF control is also made with PIC for better speed control, there is also a 4 digit display indicator pic16f88 works with 8mhz 12V 24V Motor Speed Control circuit motor It consists of…

Wav to PICmicro ASM, C Converter Program

| 2008/08/31

A program that converts wav format files to PIC Assembler ASM and PIC MicroC C code to upload audio files to PIC or other microcontrollers has all the details (in English) How to use PIC outputs with a simple additional circuit, the resistors appear as 2R in the circuit, they are generally perceived as 2Ω.…

PIC18F452 128X64 Graphic LCD Animation Example

| 2008/08/29

PIC18F452 microcontroller and the proton ide I built using compiler consists of a total of 17 square 128X64 gif animation graphics portrayed on the screen I share my work with you. Gif file using Adobe ImageReady and Photoshop in 17 different 128X64 and bmp file after converting it to a resolution of 72dpi I gave…

Electronic key with Pic16f84 and Dallas iButton

| 2008/08/29

Electronic key with Pic 16F84 and Dallas iButton They are called Button Key and innovative components are made by Dallas Semiconductor, externally arise as button cells with a diameter of about 16 mm thick and 5 contain a microchip connected externally to the two electrodes, which is positive. They are the two electrodes for feeding,…

PIC16F84 Metronome Circuit

| 2008/08/29

Metronome electronic PIC 16F84 The draft submitted on this page and ‘found on the site www.htsoft.com, the software house that produces the compiler ANSI C for the PIC family of microcontrollers used in school. The management software provided as a demo for the compiler contains some errors in the values contained in the carrier digit…

Sine Wave Output MOSFET 40W Amplifier Circuit

| 2008/08/28

8Ω + / – 35V – 40W sinus plate amplifier power. Jeden kanal. One channel. The layout is based on symmetrical arrangement of input from current and balanced agreement, control Contains DC Servo system for the precise determination of zero output. The degree of current contains transistors bipolarne. It voltage to + /-24V and +…

ARM7 LPC2138 Universal Control Board

| 2008/08/28

The Single-chip 16/32-bit microcontroller LPC2138 is an ARM7 microcontroller from NXP in a 64pin housing a wealth of peripherals, and myself as a basis for control projects. The board is described in an area of 100mm x 75mm functions – An LCD port – einen JTAG Port — A JTAG port – Power supply 5V…