A microcontroller board based on the ATmega32u4 with built-in USB communication.
4
votes
1answer
45 views
How to differentiate between 2 Micros on Linux
I have 2 Arduino Micro based devices that I want to use on my Ubuntu Linux machine. I need them to have unique serial ports. Unfortunately, both have the same serial number which makes ...
0
votes
1answer
78 views
Arduino Uno vs Arduino Micro Timers -> pins
Where to find the pins relative to timers of each individual Arduino Microcontroller.
As i like Arduino's i already have various of them. The one i mostly use is the uno and micro for now.. i'm ...
0
votes
1answer
33 views
Connect multiple modules to arduino micro
I have an Arduino Micro and I want to connect an LCD and Bluetooth module to it. The problem I face is that there are not enough power pins for them both.
I understand that I probably need some ...
0
votes
2answers
37 views
Why do only specific arduinos support the keyboard and mouse libraries?
The Arduino website suggests that only three boards are supported for the Mouse and Keyboard library page:
Leonardo
Micro
Due
What is special about those boards, that the other boards in the ...
0
votes
1answer
43 views
Arduino + 4051 -> noise on certain 4051 pins
I am trying to use two 4051 ICs with an Arduino Micro right now. The idea was to have an 16-sensor demo station (8 sensors per 4051) wherein each 4051 pin selection is controlled by a potentiometer ...
0
votes
1answer
77 views
Arduino Micro and MPU-9150
I'm trying to connect an Arduino Micro to MPU-9150 using the MPU6050_DMP6 example.
It runs for couple of seconds then the board Hangs, I sometimes see the "FIFO overflow" message.
The same code runs ...
0
votes
0answers
46 views
Arduino Micro + Max4466 - Noise on A0
I've got an Arduino Micro, and a MAX4466 ECM / AMP breakout board (https://www.adafruit.com/product/1063). I'm powering the Arduino Micro from the USB port.
On the MAX4466 (to the Arduino), I've ...
0
votes
2answers
73 views
Leonardo and micro: high pitch noise when powered from Vin
I have an issue with several Leonardo and Micro boards.
On all of my boards, there is a sawtooth of about 690mV ptp @ 4kHz on the 5V supply when powered from Vin (external power).
The frequency ...
0
votes
1answer
51 views
micro arduino and w5100
I would like to ask if it is possible and how to connect the following module
...
1
vote
1answer
125 views
Sketch stops working after ~40 minutes. Overflow?
I have this simple sketch I use on Arduino Micro:
int fan = 3;
int led = 13;
int ledState = HIGH; //all'inizio gira
//unsigned long time;
unsigned long prevMicros = 0; // will store ...
1
vote
0answers
42 views
Erratic shift register behavior TPIC6B595
I have a seven segment LED display hooked up to a TPIC6B595 shift register. My simple code is:
byte counter = 0x01;
for (int i = 0; i < 7; i++) {
digitalWrite(LATCH, LOW);
shiftOut(DATA, ...
1
vote
2answers
85 views
SoftwareSerial problems
Hi we are using an Arduino Micro and working with a Bluetooth device and a Rfid Scanner from Sparkfun(ID-20 LA). For that we implemented 2 SoftwareSerial objects and the Serial port for the Serial ...
0
votes
0answers
126 views
Starting usb on pro micro after deep sleep (ATmega32u4)
I have just started playing with a low power arduino project, and have managed to get the power drain down to about 220uA using powerDown from LowPower.
What I would love to be able to do is start ...
1
vote
0answers
167 views
TCCR1A and TCCR2A on Leonardo
I'm trying to use the TTS library for Arduino on an Arduino Micro board, which is based on the Leonardo. When I try to compile my sketch I get some errors;
/libraries/TTS/TTS.cpp: In function 'void ...
0
votes
0answers
61 views
FTDI Cable to bypass USB for Arduino (Blend Micro) Programming
I bought a Blend Micro (an Arduino Micro with Bluetooth) a few months ago, and after my first experimentation with uploading the Blink sketch something went wrong with the USB connection--it would ...
2
votes
1answer
93 views
Using Arduino Micro With 12V Buzzer
I have an interesting situation. I wonder if anyone can help?
I have:
4x Arduino Micros loaded with the basic Blink sketch
5x 12 volt buzzers
A desk full of completely fresh Duracell AA and 9v ...
0
votes
2answers
135 views
Can Ultimate GPS module use arduino micro instead of UNO?
i am doing a Ultimate GPS module like this:
it works when i use arduino UNO board, but when I use arduino micro board it doesn't work, so could anyone tell me how to fix it?.By the way I use the ...
1
vote
3answers
206 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 ...
1
vote
0answers
58 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 ...
0
votes
0answers
142 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 ...
0
votes
0answers
87 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
votes
1answer
102 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
votes
1answer
86 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 ...
0
votes
0answers
173 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 ...
1
vote
0answers
57 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 ...
2
votes
1answer
66 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
votes
2answers
501 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 ...
0
votes
1answer
176 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 ...
0
votes
1answer
37 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 > ...
0
votes
1answer
29 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 ...
0
votes
0answers
66 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
votes
1answer
51 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)
4
votes
3answers
223 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 ...
