Questions tagged [pcb-design]
The pcb-design tag has no summary, but it has a tag wiki.
41 questions
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Arduino and custom pcb
I am looking to minimize the size and assembly complexity of my arduino projects. Is there any easy way to integrate something like an esp8266 onto my own pcb. I don't want to have to solder it on. In ...
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Photoresistor Matrix has the same values
I'm a second-year System Engineer student who needs to make a project for class.
I have a 4x4 matrix of photoresistors that goes to an analog digital multiplexer connected to an Arduino Uno. This ...
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1
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102
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Arduino Nano Doesn't Upload Any Code After Connecting It In Reverse (Rotated 180°)!
I've Made A PCB Which Includes An Arduino Nano. I Soldered Some Female Pin Headers Instead Of Soldering The Arduino Itself, So That I Can Easily Plug/Unplug The Arduino Board.
It Was All Good, Until I ...
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63
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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 ...
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2
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What is the difference between SCLK and CLK pins?
Please do forgive me if anything in this question does not make sense, I am very new to PCB and Arduino.
I am following a tutorial through where the person doing it is making a small data computer (...
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0
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229
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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 ...
- 367
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1
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127
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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 ...
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376
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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 ...
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1
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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.
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Are these GND connected resistors on the Arduino Due redundant?
Does anyone know why these 4 resistors are there (attachment)? It seems like they are useless since connected in a loop to GND.
Full schematics here: https://store.arduino.cc/arduino-due
- 185
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541
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Do I need a resistor to control a servo with a PWM signal?
I working with Arduino Nano Every that has several analog PWM pins. I want to use one to control a small servo.
Do I need to put a resistor between PWM pin and the servo signal?
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2k
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WS2812B are only white on custom board
I recently designed a board for an LED project. I am using WS2812B as the LED, and an ATMEGA328P-AU as the microcontroller. I also am using an arduino nano as my ISP and using "flash with ...
- 113
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83
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Speaker & Piezo when beeping both cause CapacitiveSense to sense
I am using this speaker: CUI part number CSS-I4B20-SMT-TR as an alarm on a clock using atmega328 chip and Arduino IDE with the tone function. Works great.
I am also using Arduino CapacitiveSensor.h ...
- 41
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268
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Problem on color mixing lamp on Proteus Arduino starter kit
I set the circuit and couldn't illuminate, where is the problem?
Fritzing: https://fritzing.org/media/fritzing-repo/projects/c/color-mixing-lamp/images/Arduino%20Lamp%20Project.png
- 127
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198
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From Arduino and breadboard to PCB
After building a working prototype with a breadboard, I was wondering what's next.
So I read about integrating the arduino into a PCB layout.
But in my case, it's worth it?
My project will use a ...
- 123
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106
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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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152
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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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981
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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 other ...
- 388
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2
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4k
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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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3
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386
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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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164
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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 ...
6
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1
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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 ...
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537
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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 ...
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2
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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,...
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1
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264
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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 ...
- 113
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2
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60
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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 ...
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1
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831
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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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3
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220
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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 ...
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520
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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 ...
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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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1
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235
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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 ...
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3
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295
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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 ...
Adam
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3
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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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2
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6k
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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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1
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5k
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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 ...
3
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1
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379
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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'...
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652
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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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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, ...
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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 ...
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2
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383
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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....
- 335
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2
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1k
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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 ...
- 2,715