Arduino Stack Exchange
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Questions tagged [arduino-micro]

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

189 questions
9
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2 answers

Arduino Micro vs. Pro Micro

What are the differences between the Arduino Micro and Pro Micro?
user33613
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3 answers

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 checked out, both local and online, sell the Nano,…
Mads Skjern
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6
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4 answers

How can Arduino's 8 bit Microcontrollers handle C++

I have just started getting into Arduino and c++ programming! For all the talk on the internet about c++ being incompatible with 8-bit and even 16-bit microcontrollers, how is it that Arduino Microcontrollers can safely handle c++ code, in terms of…
Curious
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5
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2 answers

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 identification through udev rules difficult (if not…
Ben
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4
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1 answer

Arduino Uno as keyboard

I am trying to make Arduino Uno to act as a keyboard. I have successfully flashed the USB-HID firmware in it using this link also and programmed it like this. uint8_t buf[8] = { 0 }; int inpin1 = 7; int inpin2 = 8; int val1 = 0; int val2 =…
Mayank Pal
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4
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3 answers

Mini Voice Recorder for Arduino

I am trying to find a small voice recorder that I can use with my Arduino Micro, and I found this. It is exactly what I am looking for, but it is now a retired product. I googled ISD1932, but many other sites are out of stock or not selling it…
Nobody
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4
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4 answers

How to connect an Arduino Micro to MPU-6050

So I'm trying to connect my Arduino micro to the MPU-6050. I was using this tutorial: https://diyhacking.com/arduino-mpu-6050-imu-sensor-tutorial/ This tutorial worked with my Arduino Uno but not the Micro. When I try to run the Serial Monitor it…
Eduardo Cunha
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4
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2 answers

Generate particular pulse using Arduino

How can I generate this pulse with an Arduino Micro? Is it necessary an external component?
Xetam
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3
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2 answers

How can I share one power supply between an arduino and servos?

I'm trying to power an arduino and a few modules (RF receiver, two servos, and a laser diode) through one power supply. I get jittery/unresponsive servos when hooked up in the following configuration: power supply goes to usb breakout, joins with…
mirrorcoloured
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3
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3 answers

Is it possible to program Arduino in transpiled JavaScript?

Coming from JS, I find it very difficult to program Arduino in C++ (not even knowing which version or what features are supported), being bound to the loop and delay, not being able to (easily) use anonymous functions in parameters or async code. I…
Qwerty
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3
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1 answer

Arduino keypad and RF 433MHz transmitter problem

So, the basic idea is that user presses a key on keypad, and key that is pressed is sent with RF transmitter. I got individual parts to work(keypad and transmitter), but can't send the actual key. When I try to send it, I get a strange string on…
Milos Tosic
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3
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1 answer

Yet another display 16x2 not working with arduino

I found hundreds of questions about display not working with arduino. However, no matter how trivial this looks like I am having the same problem I cannot understand by reading the other posts. I have an Arduino micro connected to a display from the…
Alex
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2 answers

Stopping Serial on RX/TX pins while running Serial on USB

The Arduino/Genuino Micro has RX/TX pins and can do serial via USB. But, Arduinos Serial ties them both together, so when using Serial.begin(9600) to send messages between my PC and the Arduino, I cannot use the RX/TX pins as GPIOs. From what I can…
iFreilicht
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3
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3 answers

How to have some code executed at a certain time of day with a DS3231 RTC?

I recently bought a DS3231 RTC, but I cannot seem to figure out how to get it to work. I have tried all different tutorials and example programs but I keep getting 2165.25.165 165:165:165 as the output. I am using an Arduino Micro, with the RTC…
Zelkins
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3
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2 answers

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 scroll through using rotary encoders, and constitute…
Bradley Evans
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