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heating IR2110
I'm posting this here after spending copulous time on full/H bridge without success. One of the ir2110 and the resistor connected to its HO gets hots only when I power it with...
Sat. Dec 1, 2018 - 05:31 PM
Atmel Studio7 with Visual Micro problem
Hi atmelians,   I got an issue with the Visual micro plug in.  I need to use sim800 library from arduino  with atmel studio 7. After hours of following the manual...
Thu. Oct 25, 2018 - 08:48 AM
bipolarity detection of ADC value
I'm using Atmega32 to sense current and direction of flow. My code is able to sense only positive values. The data sheet mentions this on page 214 but doensnt give example of...
Fri. Jun 1, 2018 - 08:30 PM
Contention between OCR1A and OCR1B on PWM
I just discovered the two peripherals ie ocr1a and ocr1b of timer1 cannot just be used simultaneously to output pwm on their respective pins of avr. The datasheet doesn't specify...
Thu. Oct 26, 2017 - 09:37 AM
AVR resetting
I have been faced with this kind of if problem before and somehow fixed it -reset pin was left hanging. My Atmega1284 resets when relays release/switch off AC motor. Sometimes...
Sun. Sep 24, 2017 - 08:08 AM
Swinging/Oscillating ADC value.
The adc value is oscillating from 36.1 to 38.1 - this are the converted temperature values from an analog sensor. I noted this oscillation when I checked the above readings with...
Sun. Jul 23, 2017 - 09:09 AM
How to copy strings into another
Now I'm faced with another problem. I have a string named feedback[]="pvs \n Temp1: *C \n Temp2: *C \n Hum1: %RH \n Hum2: %RH. If send this string as it is it's successfully...
Sat. Jul 15, 2017 - 11:23 AM
string gets truncated
Thanks Dreth. Now I'm faced with another problem. I have a string named feedback[]="pvs \n Temp1: *C \n Temp2: *C \n Hum1: %RH \n Hum2: %RH. If send this string...
Sat. Jul 15, 2017 - 05:36 AM
How to send degrees Celsius symbol in SMS?"
I have tried sending various codes googled on the internet for the degrees symbol with a GSM. Some gave"@" symbol, others "?". Using \00B0 displayed only C on the android phone...
Thu. Jul 13, 2017 - 10:13 AM
atmega1284P unexpected reset
The atmega is reseting when mosfets are turned on. The mosfet are controlling power through a 100W resistive bulb. Sometimes turning nearby bulb also resets the atmega. The reset...
Sat. Jun 3, 2017 - 08:06 PM
Avcc problem on Atmega1284p
This pin must be connected to Vcc though a filter (circuit done as specified in the datasheet). Its the supply for port A and must be connected even if adc is not used. This...
Fri. May 5, 2017 - 08:39 AM
Eeprom corrupted
Working on Atmega1284P and used eeprom memory. Problem is some memory addresses bring corrupted data while others work fine. I'm working with float data types. Assistance is...
Mon. Mar 13, 2017 - 11:54 AM

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