Questions tagged [pcb-design]

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59 views

Why did it blow up?

I recently designed a PCB to hold an Arduino Nano, IMU and other components. I'm using this platform as the fly computer of a homemade drone. This is one of my first PCB designs and I'm not an expert, ...
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57 views

RFduino device required for RFduino hex file

So I have been working trying to measure the velocity of a string attaches using Rfduino microcontroller. I have downloaded all the library(based on https://www.youtube.com/watch?v=K0JiPQnrkHQ) and ...
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1answer
58 views

Fritzing part repositry - GY-30

There is no GY-30 light sensor part design in the standard Fritzing repository. Is there an official alternative part repository containing Fritzing fzpz file for this sensor? Does it go by any ...
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2answers
79 views

Sizes of the original ESP32-DevKitC-32U Wifi board

I know that this topic does not apply to Arduino, but for me it is important to find a solution to the problem. I know the consequences. I'm creating a pcb board into which the original ESP32-DevKitC-...
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3answers
61 views

Preventing EMI on PCB

i've made a project consisting of 3 DC motor pumps, Atmega328p on custom PCB, and a relay. I found a problem which causes my PCB custom arduino trips over and over again caused by 12V DC MOTOR. I fix ...
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1answer
81 views

Burning bootloader

I'm using arduino atmega 328p and currently using on custom PCB I programmed using the arduino board and take the IC and migrated to my custom PCB currently the program run well on the arduino board ...
5
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1answer
4k views

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 ...
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1answer
149 views

Using the Arduino compiler, is it possible to use Atmega2560 interrupt pins that are unused by Mega?

Looking into the schematics for the Arduino Mega I noticed that pins PE6 and PE7 are interrupt-enabled (INT6 and INT7 respectively); however, they remain unconnected to any Arduino I/O pin. I'm ...
5
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1answer
9k views

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,...
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1answer
121 views

Problem with PCB running an Arduino program to manage a GY-521 MPU6050 accelerometer

I'm working on a project based on MPU6050 GY-521 board connected to my PCB (running with an ATMega328P). The code was developed in Arduino. The PCB is the second version. The first one works fine ...
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2answers
43 views

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 ...
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1answer
400 views

Comparison of Board Shape between Arduino MEGA and Arduino DUE

I'm using KiCAD to design boards, and while it has a lot of Arduino templates, it doesn't have one for the Arduino Due. Now, I've did some searching, and it looks like the Arduino MEGA is very similar ...
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3answers
107 views

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 ...
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0answers
49 views

Will an in-circuit programmer mess up my board?

I am designing a circuit board that will contain, among other things, an ATtiny85 and an NRF24L01 module. I would also like to use an SOIC-8 ATtiny variant. In order to program this chip I will then ...
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0answers
180 views

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 ...
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1answer
77 views

Suse or Debian Linux Installation on Raspberry PI 3 [closed]

Is I can install Suse or Debian Linux Installation on Raspberry PI 3. I yet to try. Based on the answer I can opt for it. Because I need in particular either of this OS for my requirement in ...
2
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1answer
114 views

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 ...
2
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3answers
115 views

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 ...
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3answers
2k views

Questions about the Arduino Micro PCB

I'm planning on integrating an Arduino Micro in the circuit of a small project of mine (USB gamepad). The whole thing will use USB for power and data transfer (between the board and the computer). ...
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2answers
2k views

W5100 Ethernet Shield to Custom Board Problem

I've been using an Arduino Ethernet shield and an Arduino Mega in my project, but now I'm trying to migrate all the components onto my own PCB. My board uses a W5100 same as the Arduino, but nothing ...
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1answer
2k views

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 ...
3
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1answer
278 views

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'...
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1answer
525 views

Atmega328p - PCB ISP pins for bootloader and sketch upload

I want to design my PCB with Atmega328p chip on it and I want to be able to burn Bootloader and sketch after that while everything is soldered on the PCB. So my question is, what would be the best way ...
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1answer
999 views

Arduino + WiFi 101 Gerber Files

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, ...
5
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1answer
793 views

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 ...
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2answers
294 views

Convert library from using bitbanging to hardware SPI

I'm using a MCP3008 8ch 10bit ADC to expand the Analog Inputs for the project I'm working on. The only library I can find for it is here the library is ported from Adafruit's Raspberry Pi library here....
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2answers
802 views

Fritzing PCB design review/questions

I've designed an PCB and due tot the delivery times, I kinda want to order it right now. I don't yet have the components, so I haven't actually tried it on a breadboard. Now I'm unsure if the PCB ...