A microcontroller board based on the ATmega32u4 with built-in USB communication.

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88 views

How big of a difference is there between an Arduino Uno and the rest?

Lately I've been fooling around with a project for my Microsoft Sidewinder Force Feedback Pro Joystick. I've found out that there is a project currently for it built for the Teensy 2.0. On the page ...
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1answer
58 views

Unable to upload sketch after bootloader has been flashed on Arduino Micro

I have created my own custom Arduino Micro, but i am experiencing problems when i attempt to upload an sketch via USB in Arduino IDE. Here is how i program the Arduino Micro: avrdude -c ...
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0answers
33 views

Cannot upload sketch to Arduino Micro with Arduino IDE on OSX

I have been programming a Arduino Micro for weeks now, but suddenly it is not able to upload a sketch. I am using OSX Mavericks on a Macbook Pro which has USB 3.0 ports. It has never been a problem ...
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0answers
30 views

Detect external ground on an input pin

I am making a bike alarm for my bike. I haven't started yet. Basically, I'm thinking of a pin to be connected to the metal post (to which the bike is locked.) I want to detect if that connection (to ...
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0answers
64 views

Unable to flash bootloader on Arduino Micro with Atmel-ICE

I am attempting to flash the bootloader on a Arduino Micro, but i am out of luck. I have copied all the fuses from the avrdude config file. avrdude -c atmelice_isp -p m32u4 -P usb -e -u -U ...
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0answers
23 views

Streaming IMU data over BLE using Sparkfun 6 DOF and Blend Micro

I am trying to use the RedBear Blend Micro to send data captured by my SparkFun 6 DOF IMU. I am completely lost, and if anyone has any documentation I can read, or even tutorials that work for this ...
2
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1answer
74 views

How can I send data to many IC's without using tons of shift registers?

I'm building an audio circuit that will play VGM files (Video Game Music). I have it working with two different "vintage" IC's such as the SN76489 and the AY-3-8912. Currently, my design is using an ...
2
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1answer
66 views

Arduino Grounding Issue

I have a project that turns a LED strip on and off using capacitive touch. The project uses an Arduino Micro as the brain and a 12v wall wart to power everything. I have the Arduino ground and ...
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0answers
33 views

How to disable RX led on Arduino Micro

I am using the RX LED pin as CS for my SPI connection and experiencing problems while debugging and communicating via SPI. Is it possible somehow to disable the RX blinking while using the serial ...
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2answers
109 views

Unable to flash bootloader on ATmega32U4 with AVR dragon

I am flashing a naked ATmega32U4, but the process fails in the end where it is verifying. avrdude -c dragon_isp -p m32u4 -P usb -U flash:w:Caterina-Micro.hex -U lfuse:w:0xff:m -U hfuse:w:0xd8:m -U ...
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1answer
93 views

Cannot program Arduino Micro in OSX without hard resetting the board every time

I am experiencing a problem when programming Arduino Micro in OSX Mavericks. I have tried to reproduce this problem in XCode and Arduino IDE and it is persistent. I need to make a hard-reset at the ...
2
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0answers
42 views

Unable to alter SPI speed on Arduino Micro

I am using SPI to communicate with a IMU device which is working perfectly, except the SPISpeed which is not being altered as it should: unsigned int m_SPISpeed = 400000; SPI.begin(); ...
0
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1answer
34 views

IDE support for Arduino micro

I have an Arduino micro http://arduino.cc/en/Main/arduinoBoardMicro I was looking to know which is the lowest version of the IDE that support it. Actually on the IDE 0023 is not present in Tools > ...
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1answer
24 views

AVR ATmega328p-pu operating circuit?

I used to work with PIC micro-controller so i know what it needs to work from operating circuit to crystal oscillators needed and other components to power it up , my question here where can i find ...
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0answers
30 views

After uploading sketch usb no longer recognizes arduino micro device

I have a sketch which I have been trying to get working, which involves a number of sensors, and a recursive LMS algorithm. The sketch compiles fine, but as soon as it is done uploading to my Arduino ...
0
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1answer
40 views

Are the Arduino Micro, Mini, etc plug'n play?

Also, what about the micro/nano/mini arduinos? Are they easily plug'n'play like the uno? (This is an edit from another of my questions)
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3answers
165 views

Are there any reasons to pick Nano over Micro?

Nano is from 2008, and micro from 2012. Micro seems better on every parameter, in particular in having a better (I think) microcontroller, ATMega32u4, over ATMega328P. However, all the shops I've ...