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Stepper Mootr Driver
hi i want to build a Stepper Motor Driver that can carry at each phase around 5A so i decide to use mosfet  i decide to use atmega8 and pic above is driver part i have 4...
Mon. Oct 30, 2017 - 10:59 AM
what you suggest for managing eeprom space to store all kind of data?
hi i have 64KB eeprom i want to store 20 user info on it and what each one of them does and save some information in it like saving some cars with their id and name and say this...
Wed. Sep 20, 2017 - 05:52 AM
How this power supply work?
Hi This power supply is 3w and its small in size. I want to build something like this. Size matter to me What topology should I use for such small power supply?
Thu. May 19, 2016 - 09:44 AM
what can i use instead of this cap?
hi in this capacitor power supply i use film cap 2.2 uf for input and its large.i want to have small power supply without transformer. what can i use instead of this c2 cap?it be...
Wed. May 18, 2016 - 07:29 AM
why the output of sprintf is like this?
hi i have this   unsigned char *ATC = "mychar=" ; int myvalue =1  ; char temp[11]; sprintf(temp , "%s%d " , ATC , myvalue);   and the temp will be "mychar=11" i...
Tue. Apr 26, 2016 - 05:17 AM
tip for creating a function for AT Commands
hi in atmel studio 06 i want create a function that return at command i have this "AT+GSLP=time" , in this time can be changetime i want right a function like this Set_time(...
Mon. Apr 25, 2016 - 01:26 PM
current sense and low ripple
hi i want a IC that can sense from 0 to 3 amp with 10mA or better resolution and i want a regulator that its output current max can be 5A and its max voltage is 13 V . the...
Wed. Jan 6, 2016 - 12:09 PM
gain control for 100Mhz
hi i build a function gen that its output frequency is about 100 MHz i want the amplitude of wave be variable maybe i use gain control but its expensive i want something cheap....
Mon. Oct 12, 2015 - 06:18 AM
current limiting
hi i want to build current limiting circuit i found this in Google which one should i use? i have 300 watt power supply to limit its current  
Sat. Sep 5, 2015 - 09:54 AM
why the output of max232 is like this?
hi i fed 40Khz to max232 and it give me nothing but DC u can see the circuit and input and output in attachment
Thu. Aug 27, 2015 - 09:39 AM
ADC LPC1768 . simple question
hi this is my code #include "LPC17xx.h"                    // Device header<br /> #include "GPIO_LPC17xx.h"    ...
Tue. Jun 16, 2015 - 09:46 AM
problem with 555
hi in astable mode of 555 i have square wave of 50% duty cycle. i WANT TO use it for measure L of inductor but when i place my inductor ,square wave is gone. why this is happening?
Thu. Jun 11, 2015 - 01:24 PM

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