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Why did my MOSFETS blow up?
Well they did not go out with a boom but for some reason the gate to source resistance is now 92 Ohms so they are unusable. They were part of an H-bridge configuration that...
Tuesday, 24 December 2019 - 19:05
Assignment turns PORTB to 0x00! Help please?
I am assigning the array DriveTech[0][0] value to PORTB but in stead of PORTB taking its value, 0xf1, it is turned to 0x00 when I run the simulation. What gives?...
Tuesday, 10 December 2019 - 15:12
Help? CTC compare interrupt won't be visited by execution even if compare flag is set
#include <avr/io.h> int main(void) {          TCCR1A=0b00000000;     TCCR1B=0b00001010; //clock /8 and CTC with OCR1A as TOP  ...
Friday, 6 December 2019 - 14:24
Wire rejecting solder?
I tried to solder a new jack on my hands free since the old one was destroyed. After I stripped the wires on the jack and the hands-free, I burned the wire tips red hot with a...
Saturday, 23 November 2019 - 01:01
Guess the missing PCB components?
I was trying to fix my old car's key circuit. It can unlock and lock the car and is the only way to enable the alarm. This key has not worked for years. I initially changed the...
Thursday, 26 September 2019 - 11:23
Stepper motor maximum flux linkage
Not sure if the method I am using to extract the maximum flux linkage between the rotor and stator of a stepper motor is correct. The flux linkage between stator and rotor can be...
Saturday, 3 August 2019 - 22:04
Electric motors sheet metal stack construction properties
I am curious as to why many electric motor stators or rotors are constructed from a "sandwich" of sheet metal stampings. For instance: does the layer to layer electric isolation...
Sunday, 12 May 2019 - 16:08
Otomatone sensor
I have been searching for some time for this component in the photo. A sensor used in otomatones. I never had the opportunity to open up one and have no idea what they are called...
Tuesday, 23 April 2019 - 04:01
Joystick range
Hello forum! Title speaks for itself. Here is what I measure with my multi-meter. It makes sense to me that since the resistance is stable at both leftmost and rightmost angles,...
Friday, 12 April 2019 - 12:50
ATTint2313 PWM output pins give different Voltages under same command
I am using 3 of the 4 pwm outputs of the 2313 uC on a project. I am analogWriting a random output to them so that they imitate fire lighting with leds.   Code: #define F_CPU...
Monday, 3 December 2018 - 16:21
Cannot start programming an AVR! Help please?
I am at my wits end, asking for help. Programming an AVR has been my dream ever since I found out about them. Somehow though after following tutorials exactly I end up with errors...
Thursday, 1 November 2018 - 18:23