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Unsigned Integer goes negative beyond 32768 and counts down
pulse_count  is declared as unsigned integer. As the pulse counts on pulse_count++, beyond 32768 it begins to count down with a negative sign in front of the integer. Thought...
Thursday, 19 August 2021 - 15:00
Need MCP3208 SPI drive in C
Has any one written a header for  MCP3208.I am to control  through ATMega128. Unable to locate one through  Search box.
Wednesday, 11 August 2021 - 09:05
Programming AVR controllers without Atmel Studio.
Can I download the HEX file into the Controller without Atmel Studio 7 using AVR ISP Mk2. The Studio takes up a lot of space  and the purpose is to only program the ICs....
Monday, 26 July 2021 - 11:48
Erratic operation of LAN
I am using W5500 with ATMega128. The LAN does not connect at times or the connection drops at times. Using Hercules, on ping , echo  is received  but would not connect....
Saturday, 24 July 2021 - 11:46
Converting 8 bit Integer to Hexadecimal
Need to control Stepper motor speed thru Timer 0. Hence need to load integer  value in Hexadecimal format into TCNT0.. Solution please. Thanks in Advance. 
Friday, 23 July 2021 - 04:58
Loading integers into EEPROM from CSV file.
Been using strings but never retrieved data from CSV file. Example of a string in the format "123,485,1023,28,876,1010,52,542". These are sent from Laptop to the device using...
Wednesday, 23 January 2019 - 07:50
Unable to sending Data Continuous TCP in W5500
I have to send data strings of 60 to 70 bytes one after the other(100 strings in one second)  in TCP Server mode. On sending ' RUN' from Client only one string is sent. I am...
Thursday, 22 March 2018 - 13:44
Need W5500 Example in C for TCP
I am new to W5500 IC. Need examples in C to control W5500 from a ATMega. Found one - Wiznet_WebServer.c  but that seems to be written for W5100 IC.   Found W5500.c but...
Saturday, 24 February 2018 - 12:46
ATMega 128 Reset
I feel stupid to post this but no choice. The main problem, ATMega128 starts only when AVR ISP is connected.   ATMega128 reset   circuit comprises of 10K resistor...
Monday, 11 December 2017 - 14:27
TWI issues
I want to receive 8 bit data from a slave controller(ATMega 8) to the Master controller (ATMega128). As of now diameter and tacho_pulse is declared as unsigned char just to test...
Friday, 20 October 2017 - 13:27
Number of pulses Zeroise when no pulse pick up
I am counting the pulses picked up from a coil and monitoring on Br@y Terminal. When there is no pick up of pulses for a few seconds, the pulse quantity just zeroises. ...
Thursday, 5 October 2017 - 13:46
ATMega128 not responding
Have programmed ATMega128 to flash LED but not responding. Though I have connected a external Crystal of 16MHz, presently on internal at 8MHz. Programming thro AVR studio using...
Thursday, 21 September 2017 - 12:54