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Results tagged with avr
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user 70633
AVR is a 8- and 32-bit microcontroller core developed by Atmel. AVR was chosen as microcontroller for the first generations of the popular Arduino SBCs.
1
vote
2
answers
93
views
Building a clock. Need some guidance
Alright so I learned all the fundamentals of the AVR and now I am thinking of building a clock as a project. I will use the ATMega328P along with the DS1307 RTC. …
- 600
1
vote
1
answer
101
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Beginner question about CPU clock
So I just started learning AVR and I am currently working with the ATMega328P. I have a question regarding the CPU clock. Currently I am using the 8MHz internal clock. …
- 600
1
vote
Accepted
AVR Programming problem
Figured it out. The MISO Pin was shorted to ground. I heated the MISO pin on the 5x2 header with a soldering iron and maybe it loosened some solder and the connection broke from GND. It works fine now …
- 600
1
vote
2
answers
221
views
Need help improving code for AVR
#include <avr/io.h>
#include <stdlib.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#include <util/atomic.h>
typedef unsigned char u8;
typedef signed short s16;
#include "lcd.h"
#include …
- 600
1
vote
1
answer
293
views
Shared programming pins on ATMEGA328
Alright so there is a question that I need to ask. I am designing a PCB and I plan to include a ISP header for programming. Now one of the programming pins (PB3 - MOSI) is connected to a push button w …
- 600
1
vote
5
answers
589
views
Programming a AVR in TQFP package
So I got an ATmega328P in a 32 pin TQFP package, along with the breakout board shown. I have connected the pins in accordance with the datasheet. I added the decoupling capacitors after searching onli …
- 600
0
votes
2
answers
297
views
Laying out an AVR Board V2
There are three vias that are coming under the TQFN package of the AVR. Now the production house I use does make copper filled vias so the connection will be ensured. …
- 600
0
votes
2
answers
218
views
AVR Programming problem
However, the AVR does not respond to the programmer and avrdude issues the following error:
avrdude.exe -c usbasp -p m328p
avrdude.exe: warning: cannot set sck period. please check for usbasp firmware …
- 600