Questions tagged [arduino-micro]

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

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1answer
505 views

Arduino micro program not uploading

I am having trouble uploading a new program to my arduino micro. I first flashed the blink example program to the board and that worked. However now whenever I try to flash a new program it either ...
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1answer
461 views

External power supply?

I have a project where I'm looking to power 120 RGB LEDs in a strip (WS2812B). Obviously an Arduino Micro cannot supply this amount of current so I'm looking to use an external 5V/4A switching power ...
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1answer
107 views

LED bar graph script not working

I have LED bar graph on pins 2-11. Eventually I want to use a voltage divider to figure out the amount of voltage left in a power supply. Currently, this script should set the number of LEDs on the ...
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3answers
394 views

Listen for USB “TX signal received” response on RX [closed]

Is there a usb signal I can send on TX that will generate a response from the computer on the RX only if the computer is active/not a wall usb power supply? I'm trying to use the Remote library when a ...
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1answer
406 views

Arduino Micro Cannot get Interrupt 6 work on PIN 7

After finding out about the situation with pin7 from this tutorial: https://forum.sparkfun.com/viewtopic.php?f=32&t=35847 void setup(){ EICRB |= (1<<ISC60)|(0<<ISC61); // ...
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2answers
1k views

Driving single-character alphanumeric (16-segment) displays

I would like to drive three sixteen-segment displays (https://www.sparkfun.com/products/retired/9934) using an Arduino Micro. These displays would output an alphabetic character that a user would ...
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1answer
49 views

Serial.println not outputting

I ran the following really simple code on my micro and the monitor is just blank, not displaying any zeroes or anything and the Tx light isn't lighting up. I haven't used analog inputs much so I don't ...
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1answer
957 views

MPU9250 - Calibration Not Saved with RTIMULib EEPROM Issues

I'm using the MPU9250 and the RTIMULib to perform sensor fusion, however, when I run ArduinoMagCal, and save the calibration, and follow that with running the main ArduinoIMU it claims the calibration ...
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1answer
88 views

Can I connect a camera to an arduino mini?

I was wondering if it was possible to connect a camera like this onto an Arduino mini and have the Arduino save video and audio to a micro SD card.
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3answers
60 views

Arduino Micro Println prints 0

I am having troubles with my arduino micro. In my programming, I am using the serial. When I use println, nothing shows up in the serial monitor except for 0. So if I type 1, I get back 0 instead of 1,...
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1answer
351 views

I feel like an idiot, why can't I make a servo move with the boilerplate code?

So I was working on a far more grand project, until I discovered that I couldn't get any of my servos to move. I've gone back to basics, and am trying to just get the boilerplate code found here, ...
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2answers
2k views

Generate particular pulse using Arduino

How can I generate this pulse with an Arduino Micro? Is it necessary an external component?
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1answer
3k views

How do I power my Arduino Micro directly?

I just need some confirmation, before I break something. So far I have been powering my project from USB, no I would like to power it from a battery. The official spec claims I should use a voltage ...
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2answers
367 views

Driving numerous chips from 2 separate SPI connectors w/ Arduino Micro

I want to drive numerous chips (L9823, TLC5925, ADG1414, MCP23S08) from an Arduino Micro as well as read input from analog pins connected to momentary buttons, toggles, potentiometers and such. The ...
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0answers
65 views

Can burn bootloader but not sketches… thoroughly mystified!

I have a custom board designed to be essentially identical to the Arduino Micro (Atmega32u4). I can burn the bootloader (Caterina) and it burns just fine, including the fade-then-slow LED signal that ...
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0answers
430 views

How to detect whether connected to computer

I built a keypad that can adjust volume, play, pause, skip tracks, and control the arrow and num keys. It has some backlighting under the keys. I'd like to turn this off when the computer is off. ...
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0answers
47 views

Arduino micro window focus troubles

I'm currently attempting to use an Arduino Micro as a ducky USB for penetration testing, and currently when I attempt to open a command prompt (or any other window) the window loses focus which ...
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1answer
95 views

Random numbers being printed back after entering data

I am currently working with an Arduino Micro / Linduino and making a program based on a lot of switch statements to execute certain functions that will be passed to a microprocessor (LT2974) on a ...
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2answers
190 views

Arduino micro lost connection after first programming

I have just programmed a new micro, loaded the basic blink code in it. After that neither my laptop, nor my desktop sees it anyway with the following usb error: Fri Apr 1 14:32:01 2016] usb 1-2: ...
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1answer
91 views

Micro USB to USB adapter m/m [closed]

I'm looking into working with an Arduino micro, and I'd like to be able to plug it into my computer directly(without a cable). I've been looking around, and the best thing that I found was this. The ...
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1answer
1k views

How to check if all pins are connected on my board to make sure Arduino sends the correct pattern number on my tool

What to add on this code to check my pins state during run? And how can i trigger error using Visual basic when 1 of my pin is disconnected? String input = ""; void setup(){ Serial.begin(9600); // ...
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2answers
783 views

Hardware network-infrastructure for a fully-arduino-based home-automation project

As already mentioned in another question, I'm spending LOT of time planning the home-automation system for my new house (currently still in the "still building" phase). Even if started only as a "...
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0answers
81 views

Micro + restricted user Win XP = avrdude: butterfly_recv(): programmer is not responding

I have a Micro (original) and I am (trying to) using it under windows XP. I was successful in installing its drivers (by swithching to ad Admin account) and uploading sketches to it, no problem. Even ...
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1answer
254 views

HID-Project problems with keycode enums

I'm having some trouble with the HID-Project using my arduino micro as a keyboard. I'm using the BootKeyboard API, I want to be able to store and recall keycodes from EEPROM eventually, but as it ...
2
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0answers
997 views

Sustainable power source for outdoor arduino weather station

I have been running a simple weather station composed of a Sparkfun Pro Micro (8kHz/3.3V), a DHT22 and a NRF24L01+ transceiver during the last couple of months, and I can tell you up here in Canada ...
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2answers
2k views

if(Serial) not working correctly on micro or pro micro

I have an arduino micro and several clone "pro micro"'s both of which are based on the 32u4, i'm trying to make my project have a debug mode which is only active when the serial port is open, the ...
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3answers
422 views

Connecting arduino to an existing circuit

I have a little clock with a button on it that i need to push four times every second hour. I am trying to get the arduino micro to do it for me. I am trying to figure out how to connect the arduino ...
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5answers
5k views

Error uploading Arduino Micro Sketch using Kubuntu

I have an arduino micro which I want to program from my Kubuntu 15.10 system. I installed the arduino software using apt-get, but when I try to upload the program (for test purpose I use the Basics\...
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1answer
88 views

Arduino Micro blue light dimms and turns off when I plug in my circuit

I have a PING Ultrasonic Sensor, Adafruit Absolute Orientation Sensor, and a Continuous rotation servo. All pins are connected to an Arduino Micro. However because the micro only has one 5V output, I ...
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0answers
58 views

Does anyone know a library that can emulate 3 throttles?

There is this library, but it emulates only one throttle and one rudder. The X Y Z axis don't work because they are addressed from -127 to 127 and I need 0 to 255. I just need one more throttle axis. ...
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1answer
172 views

Amplification of microphone circuit

I am getting constant values and I need to know the amplification of the circuit. I believe that amplification = R8/R6 though I am not sure.
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2answers
3k views

Which Bluetooth Module can I use with Arduino Micro/Mini?

I need to use a Bluetooth module with an Arduino Micro/Mini. Please suggest which one would be the best, HC 05/06, or any other?
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1answer
166 views

Arduino Micro project with Bluetooth low energy

I created my project prototype with Arduino Micro and Adafruit Bluetooth low energy device. Now I need to develop the prototype to production (like a small USB device). I just need Rx, Tx, 3V pin ...
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1answer
2k views

How to send unmodulated IR-Signal via cable?

I need to generate en (extended) NEC signal. I have connected an Arduino with a display-device via an IR cable. Arduino --> IR-cable --> IR-input of display device IR-cable: One plug is ...
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1answer
117 views

multiple connection with ISP Pin at Arduino Micro

Actually I'm not good at English ;-) trying to ask to you. please understand me :) I needed connect SD card Shield and TFT LCD Screen to Arduino Micro. successfully finished compile at source code ...
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2answers
96 views

Pic16f84a delay 250 second [closed]

I dont know if that is the right place to put my question or no. So my question is how to write a 250s delay using assembly for my pic16f84a
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2answers
1k views

Arduino Micro tone() PWM Pins

according to the tone() documentation using tone() interferes with PWM output: Use of the tone() function will interfere with PWM output on pins 3 and 11 (on boards other than the Mega). On my ...
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2answers
3k views

433MHz sending not receiving

I'm trying to send data using these cheap parts. When I check the voltage on the data port of the transmitter, I see what I expect, 1.2 and 0.6 fluctuating while sending. But when I check the ...
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4answers
406 views

Altering code to run a timer while checking for a data input

I am rather new to the Arduino world and am looking for a way to create my own tipping rain gauge with only one Arduino(micro). I have had some help from a friend to get a loop that checks for when a ...
5
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2answers
184 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 ...
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2answers
8k views

Arduino Uno vs Arduino Micro timers → pins

Where do I find the pins relative to timers of each individual Arduino microcontroller? As I like Arduino's I already have various samples of them. The one I mostly use is the Uno and Micro for now......
1
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1answer
183 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 ...
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2answers
2k 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 ...
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1answer
3k 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 as ...
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1answer
406 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 ...
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2answers
2k 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
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2answers
812 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 ...
2
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1answer
1k views

micro arduino and w5100

I would like to ask if it is possible and how to connect the following module http://www.ebay.com/itm/TOP-Mini-W5100-LAN-Ethernet-Shield-Network-Module-board-for-Arduino-Best-NEW-/251981053942?pt=...
2
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1answer
3k views

Read signal from USB mouse on an Arduino ?

I've got a project where I'd need to read my mouse's signal. My mouse is a G700S (so USB) and the thing was I don't really know how to do and even if it's feasible. I'm using an Arduino Micro and my ...
1
vote
1answer
411 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 ...