Questions tagged [hardware]

The physical circuitry and other components of a machine or device. This is distinct from the program code running on a device, which may be called software or firmware.

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What are the advantages of “Arduino compatible” boards

There are countless boards called "Arduino compatible board". Some of them have specialized hardware features such as WiFi, SD card readers etc., but most of them seem like plain Arduino copies to me. ...
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Arduino TRE Release Date and Cost

I have been awaiting the release date for some time for the Arduino TRE. So, my question is simple does anyone know the release date or any hints about when it might come out? Also, what do you ...
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Can I use ATtiny48 as a board in Arduino?

I have seen people using ATtiny45 and other boards and there are hardware configurations files for them. Can we use ATtiny48 as a processor for Arduino? If so where can I get a boards.txt file that ...
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Don't pee there! Device

I want to make a device with a sensor I can attach to the places my dog likes to mark. When sensor becomes wet I want a buzzer to make a loud noise to scare the animal and notify me I need to ...
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motor affecting time calculation between hardware interrupts

My robot uses an Arduino Mega 2560. It has 6 IR receiver modules connected to its 6 external pins namely 2, 3, 18, 19, 20, and 21.I have connected the Pololu MC33926 dual motor driver arduino shield ...
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Using I2C: Master Reader and Writer

I'm using I2C and the Arduino Library (Wire) to communicate between two Arduinos, and my code isn't working. It's supposed to read in an int from the slave, write a value to the slave, then read back ...
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152 views

Connecting hardware to the Arduino

I'm using an Arduino Due with various sensors. At the moment, I'm using the majority of the pins along the width (the double width pins). I want to make the setup more permanent, however I can't seem ...
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1answer
98 views

Touch the Neopixels

I want to create a game using the individual LED "pixels" in a Neopixels 8x8 panel as a game pieces. Any ideas how I could add a touch event to each pixel?
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853 views

Powering LCD Displays without a Breadboard

I hope that this is not a silly question. I may be hoplelessly optimistic in asking, but is there any way to power & display information onto a LCD Display from an Arduino Uno.... Without the ...
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Do Water sensors Rust?

I'm new to Arduino and still learning the basics. I tried reading water level by using this sensor I left it in the water for about 5 minutes then I noticed it changing color (some parts darker than ...
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1answer
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What are the environmental requirements of an Arduino?

I'd like to use an Arduino Yún in a somewhat outdoor environment (in a metal box on a truck). I think I've seen that the temperature requirements of the Uno are -40 °C to +85 °C, but I can't find ...
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Can Arduino's open design be “scaled” to 64-bit CPUs?

If Arduino is OSH that simply uses 8-bit Atmel AVR MCU as a design component, then can Arduino somehow be tweaked to work with a 64-bit CPU/MCU? If so, what might this entail?
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Are Arduino's truly OSH? [closed]

I keep reading how Arduinos are "open source", but my understanding of OSH is that all its components must be open source. Arduino uses an Atmel 8-bit CPU - but Googling this shows the Atmel is ...
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Replacing the Voltage regulator of a fried Arduino

I accidentally fried my Arduino. I found this Instructable. The symptoms are the same. The board not powering on connecting USB source and the over current protector was heating up. So I removed the ...
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1answer
210 views

Problems stacking Arduino Shields

I'm trying to stack the Adafruit Data Logger Shield https://learn.adafruit.com/adafruit-data-logger-shield/overview onto a CuteDigi Sim900 GPRS Shield so that I can upload data (collected eventually ...
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The Arduino robot tutorials describe a cord comming with the official robot, now I'm confused

I recently got the Arduino Robot and have been looking at the examples for the RobotLibrary. As I looked, I found something quite confusing (for me at least), a few of them describe connecting a ...
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Can I use an ATmega328 alone without anything and what is the max voltage I can power the atmega328 with

Okay 2 questions. If I am to replace the Arduino with an ATmega328 programmed with a standard blink on pin 13, is this configuration correct, do I still need oscillators and whatnot? Second question ...
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229 views

Are there any KL03 “arduinos”?

I have been trying to find any Arduino or similar prototyping board that uses this MCU http://www.pcmag.com/article2/0,2817,2453987,00.asp But the smallest and more robust ones I have been able to ...
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Help with parts identification from arduino starter kit from aliexpress

Ordered an arduino starter kit from aliexpress Link The parts list they provide (as a jpg on the order page) is vague and not very descriptive, I've gone through most of the parts and am down to ...
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537 views

Powering Arduino from a shield

I'm designing a shield for Arduino which drives two stepper motors. They are small and require 5V but their max combined current is around 1A, way too much for the USB supply. Therefore I will have ...
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1answer
2k views

control a jack/cylinder to open/close a window

I want to open the window to let the cat enter or go out, but the mecanism of the window may me think that the best way should be to use a jack/cylinder (I don't know what term is more appropriate in ...
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Unable to connect to Intel Edison Arduino kit

I just received my new Intel Edison with Arduino Breakout Kit and after hours trying to connec to it, I just can't. I connected two USB cables to my computer, the switch between the power suply and ...
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Driving stepper motors adafruit motor shield v2

I got an Arduino Uno Rev3 and Adafruits Motor Shield V2. I also got two RepRap stepper motors: Frame size 42 x 42mm - NEMA 17 1.8 degree step angle Length 47mm Holding torque 44 N.cm (4.4kg.cm, 62oz....
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293 views

Arduino Mega read of serial encoder read at 1,024,000 baudrate?

Reading a 1.024m baud rate 77 bit stream from a serial encoder- begin.serial1(1024000); is accepted - but no idea if UART can actually run there. In the screen grab, channel 7 is a 8 microsecond ...
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Connecting a Long Stem Thermometer to an Arduino to automate the recording of temperature in an experiment

Is there a way to connect and read the output of a long stem thermometer like this one to an Arduino?
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Stepper motor clock [closed]

I am currently using an Adafruit motor shield on my arduino uno for the first time. The idea is turning the stepper motor with basicly 1RPM. But i just cant do it. This is the first time working with ...
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1answer
440 views

Lego / Meccano style blocks for 'serious' projects

What can be used like Lego or other construction sets, but is more serious and 'professional'? E.g. what comes with gears and screws and things like that, but is geared to serious modelling or more ...
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How to Reset or Format the Arduino?

My Arduino got damaged by a short circuit so I tried my board with a simple code it gives me wrong results, so is there any way to reset or format it?
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266 views

OBD Connector to Arduino

I bought an OBD connector from Sparkfun to try to connect to my vehicle via arduino. I'm just beginning and am not sure if I can just connect the connector pics to the arduino directly, or if there ...
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405 views

Flame Sensors Problems

I am making a fire fighting robot and I need a sensor. I want the sensor detection range to be about 6m or 7m (about 18ft to 20ft). The question is which sensor should I choose to get that detection ...
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Controlling Floppy Disk Drive with Arduino

I am having problems controlling a 3.5" Floppy Disk Drive with an Arduino Uno. I have the floppy disk drive powered with a computer power supply that is switched on, and the Arduino powered by my ...
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193 views

Moving an item on a pole, can an Arduino work for my project?

I'm a computer programmer, but I've never done anything with Arduino. I'd like to build something that holds a polisher (this one, in specific: http://www.homedepot.com/p/BLACK-DECKER-6-in-Random-...
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Sniffing Bluetooth Packets

I'm attempting to create something similar in nature to the Ubertooth one. I'd like to sniff Bluetooth packets using the Arduino. I've found a few nRF24L01+ wireless modules, which appear to operate ...
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174 views

USB cable connector

The arduino has a USB port which can connect to a computer. The cable used to make this connection has a standard USB connector at one end (that connects to the computer) and a "larger" connector on ...
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323 views

What is causing my Uno to wake up?

NOTE: this code was working perfectly fine in another program. I have a simple piece of code that puts the Arduino to sleep. When it is finished and intergrated into my project, it will only wake the ...
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Looking for a protocol, any hints?

I am looking for a multi-purpose wire protocol for Arduino. Requirements: Range of at least 500ft (200m) No shield required Able to communicate between Arduino and Raspberry Pi Be able to run "point-...
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Can the official arduino GSM shield library be changed to work with hardware serial on mega

I have a complex requirement that uses a number of libraries that depend on timing I.e. OneWire. When using the official GSM shield on a mega, it loads a version of software serial to talk to the GSM. ...
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'Basic electronics' resources [closed]

I've seen that there are many resources on programming basis for arduino for people that have some electronics basis or background. Are there similar resources on the opposite? Basics electronics for ...
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Is there a way to make wiring a bare microprocessor to a shield easier?

I currently do most of my AVR work on breadboards, but the large variety of Arduino shields and code out there makes me wonder if I'm not beating my head against the wall sometimes, and looking up ...

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