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I am trying to repair my fan dimmer. It was working on maimum position only and was not working on lower points i.e was turning the fan off instead of being slowed down. I have replaced both diac and triac but still the same condition. Which component in dimmer has the most probability to be...
I have a 220 to 12V step-down transformer i want to get 18V output from its secondary. Which winding should i reduce (primary or secondary) to convert it to get 18 volts at the output.
I have a device containing a smd diode on which part number is not written. Can any one tell me that what is its part number or how can i check its part number. I have removed it from circuit and tested it. It is simple diode having forward voltage drop of 0.8V. It does not allow dc to pass on...
I am using ACS712 hall effect current sensor.
https://www.allegromicro.com/~/media/Files/Datasheets/ACS712-Datasheet.ashx
It gives 66mV/A. I am using ADC0808 to read the value of AC current passing through real load. Now the problem is that ADC0808 reads the analog values but i need the peak...
I am making an over charging protection circuit for a 12V, 30Amps battery. I am confused that when charger will be removed, will the battery voltage remain at same potential as the potential with charger? E.g when charger is connected voltage measured is 14.2V, when the charger will be removed...
I have a RF module with mounted IC RF23S(probably Chinese). I am unable to find it's data sheet. Can anyone tell me that can this module run on 3.6V, 1.2Ah battery? Also how much current this module will take?
i am using 24c02 eeprom for the first time. i have coded for writing and reading data but the data i am reading is not matching with that i have written. Please check my code where is the mistake. i am using 89c51.
#include <AT89x51.h>
#include<intrins.h>
sbit sda = P1^0;
sbit clk = P1^1;
int...
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