Questions tagged [arduino-micro]

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

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316 views

Triggering actions in Android smartphone via Bluetooth from Arduino

Am working on a wearable using Arduino Micro and I am thinking it would be cool if I can trigger some events in my smartphone using Arduino. Say for example a button press in my wearable should ...
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365 views

Having trouble connect nrf24l01 to arduino micro and arduino uno!

I'm trying to connect a nRF24L01 with my Arduino Micro and Arduino Uno. The Arduino Uno works fine, but it doesn't talk with the Arduino Micro. CE is on pin 7 and CSN on pin 8. I posted the code down ...
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297 views

GSM librarys Software Serial conflicts with I2C pins 2 and 3 for Arduino Micro

The GSM library apparently uses the Software Serial library to perform the communication. The Arduino Micro specified pins for the serial connection to the GSM is pin 2 and 3 (doc says, but see def of ...
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451 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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50 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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1k 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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28 views

Arduino Micro Breadboard USB Not Connecting

I have been working on getting an Atmega32u4 connected to USB. I lifted the connections from the Arduino Micro schematic for the preliminary schematic shown here. When I connect the chip to USB, the ...
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1answer
35 views

How to fix power overload when nRF24L01 connected for voice+gyro based headmouse?

For my head mouse project which is based on the voice recognition module V3.1 for left click, double click, right-click operations, I am facing a problem. I am using 433Mhz Radio Frequency one-way ...
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1answer
48 views

Arduino Micro: Why am I getting 6.00 as a result instead of 6.66?

Basically, on the TWR calculator page, when I entered 20 as the initial value and 3 as the value that comes after, I somehow get 6.00 as a result instead of 6.66 in the computeTWR() function. How can ...
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1answer
179 views

Does the MKR WIFI 1010 support the arduino mouse and keyboard controller?

I am working on a project right now that needs to connect to my computer via bluetooth and access the arduino mouse and keyboard library. In my research, I've found that only the Leonardo, Due, and ...
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1answer
175 views

Reading Buffer from Software-Serial & Writing to Serial

My progress so far: #include <SoftwareSerial.h> SoftwareSerial ttySerial(10, 11); // RX, TX byte buffer; void setup() { // Open serial communications and wait for port to open: Serial....
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27 views

How to fetch the com port or any id I can use to upload specific program to a specific arduino? e.g. “a.ino” to arduino micro

My project is a head mouse for which I am using two arduino boards . I want to upload a specific program to a specific arduino. How can I do it? And if I need to use a pid or com port id about which ...
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85 views

AC dimmer not smooth dimming

I am trying to create a phase control AC dimmer. But I am not able to achieve smooth dimming. I am using this guide for the circuit: Link On the zero detection part I am able to detect its zero ...
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305 views

Is my Arduino Micro bricked?

A few weeks ago I built my own Arduino Micro. Everything worked fine and it connects every time. I have built a second one, with the exact same processor schematic as the first one. It turns on, and I ...
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1k views

Can't reset Arduino Pro Micro

I'm trying to reset an Arduino Pro Micro with a new code and it is not allowing me to. I'm using an empty sketch to upload to the pro micro but I get different error messages every time. I think the ...
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69 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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86 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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60 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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364 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 ...
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616 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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231 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 ...
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553 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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29 views

How to fix Master-Slave communication between Arduino Micros Not Working and no serial monitor output problem?

I needed to send MPU6050's accelerometer and gyroscope data and voice recognition module's voice command status flag through the HC-05 Bluetooth module to receiver Bluetooth and Arduino. But because ...
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56 views

How to fix why AT command gets no response from serial monitor for HC-05 Bluetooth module with Arduino Micro?

I am trying to send numeric data from master HC-05 to slave HC-05 Bluetooth module for the purpose of processing it. But I first need to pair the Bluetooth module. I have tried different tutorials and ...
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33 views

Arduino Micro: Followed the BlinkWithoutDelay instructions, but somehow it's not working in my code

Any help would be greatly appreciated! /* Jebediah's Launch Control System for Kerbal Space Program Alpha Build 2.00 An Open-Source Project by John Seong */ #include <Wire.h> #include &...
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1answer
104 views

Connecting microSD reader and e-paper display to Nano at the same time?

Pretty much as the question states, I'm wondering if it's possible to connect (this: https://www.waveshare.com/7.5inch-HD-e-Paper-HAT.htm ) 7.5" e-paper display that has raspberry pi HAT and an ...
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35 views

LUFA with pro micro 3.3v 8mhz not working

I am trying to flash my pro micro 3.3v from sparkfun with a Lufa project to make it act as a pokken controller, i am using this project Github Project I have modified the makefile for 8mhz and set the ...
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26 views

Turning SSD1306 back on

I am using the SSD1306 OLED display, using the code from The Robot Can Talk Everything works really well. But I failed to have a working screensaver that turns off the display, and later turns it on ...
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1k views

Using digital rotary encoders for HID input using the Joystick library

I have been working on a small switch panel for flight sims, but I wanted to use the CYT1100 Digital Rotary encoders to move instruments in-game. I have the code set up to press a certain joystick ...
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38 views

MPU-6050 showing all -1s

I am following this tutorial and have an MPU-6050 connected to an Arduino Micro with the following connections VCC - 5V/3.3V GND - GND SDA - A2 SCL - A3 I'm trying to run the short example ...
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25 views

Possible to live-control an Arduino microcontroller from any Linux IoT board?

I'm working on a home project that centers around a non-Arduino Ubuntu IoT board but I'd like to add an ATmega32U4 chip for USB HID. I'm thinking about using an Arduino Micro. The signals to the ...
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541 views

Arduino PWM multiple RGB LEDs

I want to control 61 SMD 3528 RGB LEDs (KT-SMD3528-RGB) with 3 arduino Micro's 3 PWM pins. I learned from reading up that I'll have to use 3 NPN Transistors to control RGB LEDs and external power ...
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1answer
145 views

Arduino Micro not providing regulated power

I have an arduino micro that works fine off USB. I need to power it from an external 12V power supply. When I connect the 12V supply to the adjacent VIN and GND pins, the arduino will not power up. ...
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1answer
1k views

How to plot YPR from MPU-6050 on Arduino IDE?

I have an MPU-6050 attached to an Arduino Micro and I'm getting the data (the YPR values) from it just fine. Since there is x,y and z what would I put to plot this information in the Arduino IDE's ...
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1answer
184 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
527 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
310 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 ...