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Questions tagged [arduino-pro-micro]

The tag has no usage guidance.

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34 views

Arduino Pro Micro as PS3 controller

I've asked this question on the Arduino forum but no one answered. I'm trying to make PS3 controller with arduino and ps2 controllers. I used PS2X library to communicate with ps2 controllers and pro ...
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0answers
44 views

analogRead(A0) always at 1023 max value potentiometer arduino pro micro

I've been working on a DIY handbrake for sim racing. I picked up a cheap arduino pro micro board and a linear sliding 10k potentiometer which suited my needs. I installed the SparkFun board in the ...
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1answer
55 views

I do not know what the board is. Can someone please help

It says that it is a pro micro, but I have searched the arduino website and i cannot find something that looks like this or is called this.
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30 views

Arduino Pro Micro (Leonardo) disconnects and reconnects rapidly in games

I have setup an arduino pro micro as a game controller using the ArduinoJoystickLibrary. It only needs to press a pair of buttons, as it's going to be used as a sequential shifter for a car sim. ...
0
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1answer
62 views

rotary encoder spamming output

im building my second arduino project. Im very new to this all so I could certainly use some help fixing everything. Im trying to make a controller for a pc port of an arcade game. It uses two rotary ...
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0answers
18 views

Arduino Pro Micro and RFID-reader

I've written some code for reading RFID-tags that works perfectly with my UNO. No issues at all. Problem is, the UNO is 1) too large, and 2) lacking USB interface, which I want in order to transfer ...
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0answers
36 views

Weird sketch size/memory/compiler (?) related issue (hanging, RX led on)

Also posted at: https://forum.arduino.cc/index.php?topic=549672.0 is there anyone who experienced similar problem or knows a solution to it? The problem is that after uploading the code Arduino Pro ...
0
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0answers
94 views

How to check for valid Serial data, then break?

I'm having trouble completing this code for my university final project. I feel like I'm almost there, but I can't seem to find the final buttons to press. I'm using the Arduino Pro Micro. I have one ...
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3answers
54 views

Read one value from continuous data stream at a lower frequency

I am working on a university final project and have run into a problem with programming Arduino, after a 3 year hiatus. I have a pressure transducer that is sending pressure data at 10Hz. I have ...
0
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1answer
83 views

USB upload to Pro Micro (32u4)

My project is based around the ATMEGA32u4 microcontroller. I followed the Arduino Pro Micro schematic to design my own board layout and build a custom PCB, soldered on the components. Then I used ...
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0answers
67 views

Arduino pro micro might be bricked

I bought an Arduino pro micro (looks like this) from a Chinese seller over E-Bay, for its HID interface. I installed the Arduino software on my Linux machine (Kali Linux), and started writing a USB ...
2
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1answer
41 views

Pro Micro recognised as Micro (win10, IDE 1.8.1)

I just got this pro-micro clone 5V and it's my first pro micro ever. After reading lots of discussions about how easy it is to brick and how it's just a smaller Leonardo, I've also found tutorials ...
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0answers
56 views

MPU6050 stops work after restart again

I am using an Arduino Pro Micro with MPU6050 accelerometer sensor. Connections are: MPU6050 >> Pro Micro VCC >> 5V GND >> GND SCL >> 3 SDA >> 2 INT >> 7 I wrote code to read X, Y, and Z axes. My ...
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0answers
23 views

Can't find Pro Micro on my laptop

When I plug in my Arduino Pro Micro the green light turns on, but nothing happens on the laptop. I looked in the device manager, but its not there. I have tried on every USB port on my laptop and even ...
1
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1answer
174 views

Failed to initialise SD card on Leonardo

I'm trying to connect SD card reader to my Arduino. For testing i'm running CardInfo example. It seems like it runs ok when I'm running it on my Arduino UNO, but it fails to initialise SD Card while ...
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0answers
306 views

Does the Arduino pro-micro 3.3v use an 8MHz crystal or a 16MHz crystal with a clock divisor of 2?

I am trying to convert some 5v Leonardo-compatible boards to run at a lower 3-3.7v voltage, so that I can power my project using LiPo batteries. As far as I can tell, the default Leonardo settings (...
0
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1answer
39 views

MPU9250+arduino pro micro strange behaviour after reset

I have an arduino pro micro + mpu9250. For test sketch I'm using https://github.com/sparkfun/SparkFun_MPU-9250-DMP_Arduino_Library It works as intended after the first sketch upload. After that if I ...
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0answers
73 views

How fast an Arduino mouse would be?

I'm thinking about making a custom Arduino-based mouse and I expect not to be the first one to have the idea. Does anybody know what speed I can expect to achieve? Suppose I use a mechanical mouse as ...
0
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1answer
320 views

Arduino reads hc-05 device connecting status

Hello I want to get an arduino get status of bluetooth hc 05 if connect with device or not . I'm trying by myself and search on internet website but I can't find useful things.
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2answers
108 views

3.3V Pro Micro clones flashing LEDs after 1200 bps touch

I have several Pro Micro clones. This morning I uploaded a sketch into one of them (that was previously unprogrammed, so it stayed in Bootloader mode) and when I wanted to upload the sketch a second ...
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0answers
31 views

Pro Micro HID freezes during computer boot or resume from standby

I am using a Pro Micro as a HID touchpad, connected to a laptop running Ubuntu 17.04. Everything works, except that the board freezes or hangs while the computer boots or resumes from standby, ...
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0answers
94 views

Pro Micro/Leonardo : USB won't work when powered from RAW pin

I'm trying to use a Pro Micro 5v to send MIDI data to my iPhone, via USB, to control a music app. I have an Apple Camera Connection Kit (CCK) to make the connections. My iPhone sees the SparkFun board,...
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0answers
107 views

How do I setup a Pro Micro so it uses PIN 0 (RX0) and 1 (TX1) for USB communication instead of the installed USB port? [duplicate]

I would like to add an additional USB port to my Pro Micro powered device for convenience - just two ports in parallel so I can plug the device in on two sides. Can I use an in software solution with ...
0
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1answer
137 views

Arduino for kids toy with Battery (safe), Can Arduino overheat the Battery with long running code [closed]

I am making a learning toy which kids can play with and learn basics of programming. But i am tired of keep replacing the AA batteries as they run out in few days. So i am thinking of using ...
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2answers
428 views

How to dynamically allocate arrays

Question given in the title. I'm trying to dynamically allocate the size of an array on runtime on an arduino pro micro. I've tried realloc, malloc and the c++ variant delete and new without success. ...
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2answers
28 views

Midi Program not sending notes

I'm working on a midi device with a pro micro, it's reading as a midi device, but not outputting any notes, here's my program: const int button1 = 2; const int button2 = 3; const int ...
3
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1answer
165 views

How can I connect nearly 450 LEDs to an arduino without drawing too much current?

The question seems simple, but there's more to it: I'm connecting 4 74HC595 shift-registers to an arduino pro micro. 28 of the 32 outputs will be used to control LED segments of numbers. Each segment ...
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0answers
237 views

PS2 Keyboard and sending keystrokes between a Leonardo and several pro micros

I am working on a project where I am taking the the key presses from a PS/2 keyboard and passing them to several pro micro boards so I can type the same commands on multiple computers at the same time....
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0answers
483 views

Cant open serial monitor on linux

I have a pro micro and I'm running the IDE on linux. The IDE easily recognises that my board is on /dev/ttyACM0 so i can flash programs on to it. I am testing the following code void setup() { ...
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0answers
97 views

How to read resistive buttons with Arduino Pro Micro?

I am trying to read some resistive buttons presses on a PCB like this: This is the full sketch I am using: #include <Keyboard.h> byte ZbuttonPin = 3; void setup() { // initialize the ...
4
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2answers
152 views

Avoid a Pro Micro waking up a PC?

I have an Arduino Pro Micro mimicking as a HID, connected to a PC. The PC BIOS is configured to wake from keyboard events - it is switched on by hitting a key on the regular keyboard. This is a ...
0
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1answer
908 views

Cannot get HC-12 to function with Arduino Pro Micro clone

[first time usage] I'm checking this config out with a simple sketch derived from one @ https://www.allaboutcircuits.com/projects/understanding-and-implementing-the-hc-12-wireless-transceiver-module/....
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1answer
875 views

Why is my circuit working only when I touch it?

I have connected digital pin 2 of arduino to the circuit as shown: The problem is that the LED is not turning on normally its only turning on when I touch anything on collector side of circuit. What ...
3
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1answer
104 views

USB DEVICES WITH THE 32U4?

I have an Arduino Pro micro and I need to know if it is possible to use an USB device like a camera or things like that Since the processor is a 32U4. the USB Shield is for the Arduino Uno and I don't ...
0
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1answer
361 views

Problem using IRremote library

I am using arduino pro micro 5v 16Mhz. I have built a simple IR transmitter circuit as shown. The code i am using is https://github.com/z3t0/Arduino-IRremote/blob/master/examples/IRsendDemo/...
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1answer
881 views

Why won't my iMac recognize my Mega32u4 Arduino Pro Micro board (I've tried several cables)?

I bought this Pro Micro on eBay a while back, and I never really got around to using it. But now that I do my iMac won't recognize the board. I plug it into my iMac and open Arduino and go to the ...
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3answers
530 views

Arduino analog input protection

I've been trying to find a way to protect my analog input pins (for my Leonardo and Pro micro). I'm basically using them to read an amplified piezo sensor output. The output is amplified because I'm ...
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0answers
37 views

Get data from a running exe on my pc

I have made a button with an LED using an arduino micro. It's connected to my pc and when I hit the button, the LED activates and a recording on Reaper (digital audio workstation) is started. When I ...
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0answers
68 views

UNO/ProMicro ShiftOut doesn't work

I have a bizarre error. The shiftOut library/code stopped working. It doesn't work. There is no clock signal nor a data signal. Checked via an oscilloscope (DSO138 - I know it's cheap but it's the ...
0
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1answer
57 views

Why does Keyboard.Print adds random values to url?

I'm trying to print a sequence of power shell commands including a url to the powershell interpreter but every time I execute it with the Arduino Micro it adds random values to the url. Here's the ...
0
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1answer
41 views

4 IR sensors on Arduino pro micro. 2 are working other aren't

#include <Keyboard.h> int IRpin = 5; int IRpin2 = 6; int IRpin3 = 8; int IRpin4 = 9; int led = 13; void setup() { Serial.begin(9600); //start the serial port Keyboard.begin(); pinMode(...
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0answers
133 views

I'm new here. Where to look for documentation for my specific board

sorry if this isn't the done thing. I have a little red space invader shaped board that has an arduino chip on the back from a conference. There is an LCD display and I've just got it to function ...
2
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2answers
243 views

RFID stops working when I place the servo

I've successfully implemented Door Unlock system described in this tutorial. At first I used Arduino Uno and RFID RC522 Reader and MG90S Micro servo. When I used Arduino Uno with Arduino Pro Micro ...
0
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1answer
63 views

Pro Micro - Measuring voltage between two pins, without using GND

Quite new to this but making pretty good ground. I have an issue I'm not sure how to solve. I want to add a Pro Micro to an RC Toy, I can easily power it from the toys GND and 5V power. But then I ...
1
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1answer
88 views

Arduino Pro Micro clone clock cycle issue

I have several Arduino Pro Micro clones that are giving me an issue where they work immediately after being programmed while the USB cable is still connected, but as soon as I disconnect and reconnect ...
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0answers
1k views

Arduino Pro Micro and HC-05 Bluetooth module

I am using Sparkfun Arduino Pro Micro with an ATmega32u4(3.3v, 8MHz) on it (https://www.sparkfun.com/products/12587) and a HC-05 Bluetooth Module. I also running this on Windows 10. I've made these ...
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2answers
2k views

Arduino Pro Micro troubles

I recently bought a brand new Arduino pro micro from Amazon, I set it up according to the instructions on sparkfun, except that when I plug it in, Windows doesn't even show that it tried to install ...
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2answers
588 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 "...
0
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2answers
169 views

How do I change pin assignments for the LUFA AVRISPMkII?

I just managed to get Dean Camera's LUFA AVRISP clone working on my Arduino Pro Micro, when to my dismay I found that to use PDI for my XMega, I need to have PD5 exposed for the clock source! The Pro ...
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2answers
2k views

I can not upload hex files outside of the Arduino IDE to my Pro Micro

I have a strange problem. I am trying to upload a .hex file to my lovely Arduino Pro Micro, but am unable to do so. If I use the Arduino IDE, it goes through perfectly fine and uploads the sketch. ...