Arduino Stack Exchange
Arduino Stack Exchange

Questions tagged [pcb-design]

A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate.

41 questions
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Difference between these two NodeMCU boards?

I recently received a NodeMCU (identical to the one shown in the first picture below) and originally, I was unable to connect it to my computer which eventually turned out to be driver issues; however, during my initial panic, I found that there…
Tom
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ESP8266 - does it really have terrible wifi range by default?

ESP8266 - does it really have terrible WiFi range by default?? First time to try this module out and we're disappointed with the range.. as per our testing we can only get max 5m WiFi range line of sight (LOS) to our regular WiFi router (TPlink…
BrownChiLD
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Powering an USB to Serial from USB

I am creating a PCB which is a modification of the Arduino on a breadboard. I am intending to buy an USB to Serial breakout from Adafruit so that I can upload my sketches to the atmega 328 I'll be using. However, in order to reduce power…
francisaugusto
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Arduino on breadboard, and then soldered using a board made on Eagle but won't work

So I'm looking to create an arduino clone to mount on one of my robots. I started off making the arduino on a breadboard, using the instructions found on Arduino's own website and I succeeded. It works as well, I've checked it with the "blink"…
Hassan M
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Nrf24l01 smd pcb placement tips

I am working on pcb design with nrf24l01 smd. I have read somewhere that nrf24l01 module has problem while communication when it is placed with its antenna within the pcb. I want my module to be within the pcb as much as possible to save some space.…
Anmol Kumar
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Arduino nano KiCad symbols

Can anyone explain me the difference between the symbols for Arduino nano in KiCad? Is there any important difference at all? All of them seem to have all basic pins.
FoksaK
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How do I go from modules to PCB?

For my engineering class, I am designing a digital scale. I have already made a working proof-of-concept by using jumper wires to connect several arduino modules to an Arduino UNO. I want to make a PCB to simplify the design, and not just have a…
MN Chino
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Arduino audio output circuit

I am looking to build my own arduino-based board that, when triggered, will play a file (line out, not amped to a speaker). Most of the audio shields I see are more complicated than I need, so what I'm wondering is what is the barebones circuit I…
TheAutomator
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Wire library causing samd21 based board to stop working

A bit of a general question, but asking in case someone has stumbled onto a similar problem before. A friend and I designed a custom PCB board based on the ATSAMD21G microprocessor. The board has a accelerometer connected on I2C and a NRF24…
Zhelyazko Grudov
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Can we use Arduino mini in eagle to create new custom modal

I want to learn pcb design in Eagle/Fritzing. So i was thinking of using existing amazing Arduino mini/nano in eagle and create a custom pcb which has all arduino capability and plus some components like 7 segment/Bluetooth radio etc. Can we do…
Rahul
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Can I design Arduino Mega 2560 circuit without adding ATMega 16?

I want to make Arduino Mega 2560 board. As the reference files are given on Arduino Site, I don't want to add USB communication on the board. So can I remove part of ATMega 16? Will it cause any kind of problem in working of board? And if It will…
karanrp
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Can anybody advise what type of connector this is?

I recently purchased an LiPower shield from SparkFun. I also bought a Lithium Polymer battery off eBay and it appears to have a JST male connector (i could be wrong)? I expected it to slot right into the board however the fit is slightly too large.…
Adam
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Is my atmega2560 schematic correct?

I'm designing a custom board with an atmega2560. It will be programmed using ArduinoISP. I want to be sure that i have made no mistakes on my schematic design before I order it. I folloud the schematic for the arduino mega 2560 from the arduino…
Frank Fourlas
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Using prototype PCBs as Arduino shield

Is is possible to use prototype PCBs (PCB with grid of unconnected holes with copper around them, usually with pitch 2.54 mm) as Arduino shield, when they are fitted with appropriate pin headers? I am asking this question because I am not sure…
jiwopene
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Custom 328P-AU board not responding via ICSP

I created a custom PCB based on a 328P. The design is mainly based on the Arduino Nano schematic (3.0). The boards have arrived some days ago, and I can't get avrdude to recognize them via USBASP (or any other mean for that matter). When trying to…
jack
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