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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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Is it possible to get the Gerber files for the Arduino Uno r3 and the WiFi 101? I've been teaching myself the SW side of this hobby (with much help from SE Arduino) and I'd like to better understand, ...
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So I am building a project that uses the analog pins for precise measurements of resistance through a voltage divider and I have been having some seemingly unsolvable problems with nonlinear response ...
3871968's user avatar
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I assembled the following sparkfun redboard: https://www.sparkfun.com/products/retired/10776 When I plug the board in it start to blink but increasingly fast until the LED stops. I'm very new to ...
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Still very new to Arduino, so bare with me. I've been all over Google looking for ways to hack my alarm keypad. This is my first time using the Arduino to hack something :smiley-confuse: The keypad ...
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I am interested in teaching young kids how to build arduino projects. I was thinking that using a breadboard may be difficult for them, as the holes are all very close together. It is easy to put the ...
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I bought some material on the net to start working with Arduino. I didn't want to buy an Arduino, since it costs a bit too much IMHO, so I bought an ATMega328P-PU, and made an Arduino on a breadboard. ...
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There are two events I plan to log; using no switches or requiring manual input of some kind. One of the events is whenever the Arduino Serial Monitor is opened; the other, is when external event ...
William's user avatar
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Hello fellow Arduino enthusiasts, I created an Arduino project for a Mega2560 board in Microsoft Visual Studio. Before loading the code on the board I want to test it on my Windows desktop computer. ...
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Trying to latch a 200 mS, LOW event to log the event. LOW only occurs when external Watchdog timer sends reset pulse to the Arduino. Is a D Latch suitable for this application? It has been years ...
William's user avatar
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On Arduino Due, I set-up DMA transfers using direct control of memory mapped hardware registers. There is a 16-bit BTSIZE field in CTRLA which indicates the number of (width sized) transfers. If I ...
Alex Brown's user avatar
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For learning and hacking purposes, I plan to study and use parts from smartphones and tablets like Galaxy or iPhone. They are really efficient and pretty cheap... Did anybody do this before? If yes, ...
Charaf's user avatar
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I have an Arduino Micro where I want to control a display with IR commands. So the Arduino should send the IR commands to the display. I have found a library "Arduino-IRremote", which I am using to ...
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I've been teaching a blind student how to program and build electronics with Arduino. So far I've substituted LED's with piezo buzzers with excellent results. We are getting to the point where more ...
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I am in a First Year Design class, and we are supposed to be making an autonomous robot. After hooking up some wind speed and temperature sensors to calibrate, I plugged in to my laptop (we have 2 ...
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I'm doing a project on the arduino with simple 433MHz antenna modules. And I was wondering if someone could offer clarifications on how receivers work. I read that high gain receivers can pick up a ...
Jonathan's user avatar
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I have tried a Google search and cannot find any place that tells me exactly how to wire the version 12 esp8266 , How should it be wired for normal operation and for flashing ? I am designing a diy ...
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I'd like to be able to change variables on the Arduino by adjusting a set of knobs. When I get to a desirable setting I'd like to be able to save those settings on the Arduino... and then I'd like to ...
Chris Dzoba's user avatar
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I have found a relatively small 12V switching power supply that I want to build into my device, using it to power both the Arduino Pro Mini and a couple of 12V cpu fans. Am I correct in assuming that ...
aelgn's user avatar
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I have the Dagu Mini Driver board which is based on the atmega8 and I uploaded the code here. It uploaded perfectly and I wired 4x AA pack to the battery terminals making sure to observe polarity. I ...
NULL's user avatar
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I work with a marching band, and we want to use fog machines for a particular part of the show. I know how to code/program in Arduino, however I am not great in the electrical and technical end. I own ...
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I'm quite new to Arduino. I have build a number of projects successfully, like potentiometers, serial communication, DAC, sensors, motors etc. I use a laptop to power my Arduino project and Atmel ...
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Can a Ethernet USB Dongle be instead of Ethernet shield for arduino in order to cut costs?
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i want to know that if i use atmega328-pu instead of atmega8 on this design provided by "https://www.arduino.cc/en/Main/ArduinoBoardSerialSingleSided3", will it works fine on this design or i have to ...
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I am working on a project with an Arduino Nano that includes a keypad, screen, and the NRF4001 transceiver. The keypad requires 7 digital pins to operate, the wireless transceiver uses pins D9 - D13 ...
NULL's user avatar
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I just got a Mux Shield 2 and got it working as I expected. Now I started to find out how to actually connect the I/O cables to the board. Doesn't seem to be as simple as I thought. I don't want to ...
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