Tagged Questions

0
votes
2answers
40 views

Redefining Slave-Reset-Pin in MegaISP on ATmega2560

I want to make a Arduino ISP-Shield universal exchangeable between Arduino models. For this purpose I want to use the ISP-Header in combination with Pin 10 (like the Arduino Ethernet-Shield does). The ...
0
votes
1answer
103 views

Arduino mega - best replacement for atmega 1280

I wonder if it is reasonable to replace atmega1280-16PU of a bricked arduino mega board? If yes, does soldering in there a bigger uC make sense? i.e. ...
2
votes
1answer
66 views

Can I dynamically change the input clock frequency of the AT91SAM3X8E?

Background: I'm attempting to use an AT91SAM3X8E microcontroller (for Arduino Due compatibility) to create a USB to \$I^{2}S\$ interface. Most \$I^{2}S\$ CODECs require a master clock that is ...
0
votes
1answer
88 views

Beginning programming for Atmel uProcessors

I'm taking the next step, going from my Netduino into the smaller microcontrollers from ATMEL (since there is no really tiny (tinier than the netduino) stuff running .NET). Also have some experience ...
4
votes
1answer
258 views

measuring low-value capacitors with Arduino/Atmel

I recently bought a kit at Sparkfun to measure capacitors. (Which is actually this.) It works well and accurately measures very tiny capacitors, but the firmware is not open source and I would like to ...
1
vote
1answer
309 views

Arduino and embedded C programming in a windows based system? [closed]

I am currently using Arduino Ide to code my arduino but now i want to code my arduino in C/C++ and i dont know where to start from what is the best tools and tutorials suggested for this. I'm a ...
0
votes
1answer
127 views

Ardupilot, atmega1280 and barometer

I'm working on a project and I need to know where the information taken by the barometer sensor are stored. I think in the eeprom, but exactly where? Is there a specific address or register memory? ...
0
votes
0answers
407 views

Need explanation on how to flash HEX files on ATmega32u4 via AVR109 protocol

I am not an electronic expert, so forgive me if I am misusing the terms in my question or if my question contains imprecisions and/or misinterpretation on how a Leonardo Board works. Corrections are ...
1
vote
2answers
1k views

Replacing atmega8 with atmega328(arduino)

I was supplied with an arduino board in a workshop(which is a very old version board) similar to : the board comes with atmega8 as a micro controller .. I wanted to increase the performance and ...
2
votes
2answers
328 views

Accessing data past 64k boundary on atmega1280

I need to be able to store and refer to constant data arrays which must be placed after the 64k boundary in the atmega1280. How do I create the correct data structure, and then access it for the ...
2
votes
2answers
3k views

Make LUFA for Arduino UNO / atmega16u2

I have an Arduino Uno r3 board which has an atmega16u2 chip that normally contains the usb to serial firmware that allows the board to communicate with the IDE. I have been learning how to flash ...
0
votes
1answer
1k views

8u2 programming with Flip 3.4.5

I'm attempting to update the firmware on my Arduino Mega 2560. I'm following this tutorial. However, when I try to use flip, whenever I try to find my device (from USB), it tells me that ...
6
votes
4answers
392 views

What is Arduino?

What is this Arduino concept that I keep hearing about? Is it a microcontroller family, or a demoboard? Please include pictures in your answer, and if there are multiple possible items known as ...
6
votes
3answers
3k views

Monitor clock cycles for code on arduino/AVR?

Is it possible to monitor a block of code and determine the number of processor clock cycles that code took on an Arduino and/or AVR atmel processor? or, should I rather monitor microseconds passed ...
3
votes
1answer
399 views

Arduino with atmel tools

Hi I've done some dev using AVR's. I'd really like to use the arduino but continue using atmel tools. Is this straightforward? Is there a converter that I can use my 910 programmer with? I think ...