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we are going to make a 2 stages sine wave inverter using IGBT H-Bridge on DC-AC stage, when we apply 12V DC power source on H-bridge the circuit works okey, but when we provides high voltage DC from DC-DC stage, which is about about 350volts at input the microntroller(PIC18f26k22) does't...
Hi, I want to make a multi channel MP3 player,
This means i need to play at-least 4 different files from single source(SD card etc) in real time, please advise me weather i use micro-controller+vs1011e variant chips or implement a software in raspberry pi, FPGA PIC32 etc
I am using USB to RS232 (CH340) cable to communicate with micro-controller
I tried both 89s51 and PIC 16f628A both controller working well when using in Proteus simulation but when i try i in hardware I receive unknow charactors ,
I am using asynchronous communication , can any body help how...
I am making a solid state relay using mox3040 zero cross detection and BTA12-600 Triac,
The purpose of this Project is to switch the power source on failure in minimum possible time,
For failure detection, I am using ADC of 18f452, by sampling whether the power is fail or not
In general we...
Due to high price of Wirless modules I am going to design a cheap solution that is
to convert rs232 signals to dtmf tones and send it over air and in reverse process retrieve it back, i have no idea how to send digital signals over air using easy to find components, I need help me on it...
I am trying to implement a simple blinking circuit on bread board to checking purpose
I try for both atmel 89s52 and PIC18F452 for testing
I program 89s52 on Mickro C and Keil,
and PIC18F452 on Micro C and CSS C as well
I use old computer power supply to power them,
I am using Genius G540 to...
actually i am going to make pickit2's PCB, i try several times to printout, but their is always a problem with scaling, that, pcb print is always little bit smaller then the orignal one, that i can not place a IC in it, as their is many schematic diagrams are available i try 2 of them, but the...
I have recently made a Pickit2 clone programmer on bread borad from the following link
Microchip PICKIT 2 Clone - Schematic+PCB (PROTEUS) - Sonsivri
I program the uC from Pickit2 from some institute, when i attectched the programmer to USB some time it says "USB does not recognize" and...
I wanna Need your help to chose an uC for the such a abilities because i dont want to use an extra chip, but and audio amp.
LCD 2x16 (not recommanded)
SD-card (or any memory card to save voice files)
Audio o/p using PWM or DAC , should be integrated in uC
should be from atmel AVR or...
I am using mikroC for PIC v5.30 and Proteus 7.6 SP4, the problem is that, when the text move to right it became vanish, but on left side its ok!
The second problem is that i made a blinking heart charctor, which is using FOR loop, and i is not exiting from that, i mean not actually exiting...