Questions tagged [wires]

Wire is a conductor that used to connect electronic components each other

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14
votes
12answers
19k views

What type of connector does the GROVE system use?

What type of connector does GROVE use? I'm interested in wiring some old sensors so they're compatible with GROVE, so I first need to identify the connector so I can buy the housing and pins to crimp....
10
votes
4answers
5k views

How to move from arduino to physical prototype

I've been reading a bit about moving from Arduino to PCB and it seems a bit daunting. For now, all I really want to do is take something I've built, and make a few changes so that I can actually ...
7
votes
3answers
6k views

Breadboard-to-Arduino wiring with flat flex cable assemblies?

I want to wire Arduino Due connectors to a breadboard 8-at-a-time, so they're easier to remove and more reliable. I tried these Flat Flex Cable Assemblies (FFC assemblies) terminated with "solder ...
7
votes
4answers
3k views

Is there a semi-permanent way to attach wires to the Nano?

At least for prototyping, is there a semi-permanent way to attach wires to the Nano posts? And yes, usually the Nano is hanging in free space by its wires (yes I know, quick and dirty, should be ...
5
votes
2answers
12k views

Connecting an Arduino to a telephone line?

I would like to connect my Arduino Uno to a telephone line in order to answer a call, record a sequence of DTMF tones, generate a DTMF tone in response, and hang up. The telephone line uses a ...
5
votes
2answers
816 views

How to confirm a pin is fried

How do you confirm a pin has been damaged and is unable to work as a digital input? I tried detecting a pushbutton (connecting ground to pin 11 with a pullup resistor enabled) on a fresh Arduino Uno ...
4
votes
2answers
157 views

Absolute noob looking for troubleshooting help

My 10-year-old son went to a "Robotics Camp" and came home with a non-functional Arduino robot. I figured it shouldn't be too much trouble to get it working. He swears he had it operating at the camp, ...
4
votes
1answer
9k views

Arduino LCD shows only black boxes

I've hooked up my Arduino on this LCD, and after running the following code, all I see is a row with black boxes and another one empty. //LiquidCrystal d(RS, E, D4, D5, D6, D7); LiquidCrystal lcd(0, ...
3
votes
2answers
7k views

Confused between SPI and I2C for SSD1306 OLED

I recently got myself an SSD1306 OLED display: I haven't been able to successfully wire it to an Arduino (Mega 2560) however. I have been reading up on I2C and SPI and checked some libraries from ...
3
votes
3answers
350 views

Powering on the PC

I located the two pins that are responsible for powering up the PC. They are connected to the Power On button and one pin has an output of 5 V while the other is the ground. So far so good, the ...
3
votes
1answer
58 views

Why I am connecting positive wire in the circuit?

I have constructed a simple fade in and fade out circuit similar to given on this website https://roboindia.com/tutorials/arduino-analog-output-led-fade Now I am connecting a wire from 5V power pins ...
3
votes
1answer
1k views

Wiring Lilypad USB + ESP8266 Serial WiFi Module

I am trying to solve the following scenario: Lilypad USB connected to WIFI through ESP8266 Serial WiFi Module. http://arduino.cc/en/pmwiki.php?n=Main/ArduinoBoardLilyPadUSB http://www.seeedstudio....
3
votes
1answer
1k views

How does one use (specically the wiring) the OV7670 camera with the Arduino Uno?

If one could tell me where each of the pins on the back of the camera go to, that would be great. if someone added the code also that would be awesome.
2
votes
4answers
438 views

What are these wires called?

I'm currently developing a quad copter for my school project and I am coming to the part where I am collecting all the parts before I assemble everything. I have recently encountered a roadblock. I ...
2
votes
2answers
2k views

How to improve wiring a breadboard?

just saw this tweet and was interested what wires are used there: https://twitter.com/EngineersGarage/status/448014811280842752/photo/1 The wiring Looks cleaner than the setup I currently have with "...
2
votes
2answers
490 views

Connect two Arduinos using I²C (wiring)

Altough having found a lot of documentation concerning wiring of I²C buses, I'm still not sure about the following question: If both devices use separate power sources, is it a good idea to connect ...
2
votes
1answer
801 views

what is the importance of the resistors that connect to push buttons ? can i replace them by wires?

Please, iam a junior in arduino and i want to know what is the importance of the resistors that connect to push buttons? can i replace them by wires? thanks in advance.
2
votes
2answers
278 views

Sending minimal data between two Arduinos far away from each other

Problem: I need to send small integer numbers (single-digit numbers suffices) between two arduinos located approximately 50-60m away from each other. The connection must be made through cables. I have ...
2
votes
1answer
7k views

Common Wire sizes for connecting peripherals to arduino

Please don't judge me for asking this question i have never touch arduino before but We plan to use it in our thesis we are doing a budget plan and it must include wires. can anyone tell me the common ...
2
votes
1answer
47 views

Adding a common activation pin to a group of buttons

I'm working on an Uno, which has only two interrupt capable pins, but i need at least three buttons to wake it up from its power saving mode. Is there a way to wire buttons such that, in addition to ...
2
votes
2answers
450 views

How to wire a three-pin on-off-on switch for reading input?

I would like to read the output of an on-off-on switch with my Leonardo board, but I have very little knowledge of electronics and don't know how to wire it up. This is the switch in question: E-...
2
votes
1answer
1k views

Does AWG size affect signal from sensors?

Would using a thicker cable like 16 AWG affect the signal being received from an RFID or Ultrasonic sensor? I understand AWG can make a significant impact on voltage when a thick cable is used over ...
2
votes
1answer
9k views

Arduino Wire Types?

I don't know what wires to get for my first Arduino project. I am planning on getting a pre-made light strip that I would control with an Arduino from across my room. Is there any specific type of ...
2
votes
3answers
176 views

Should long wires be kept separated from each other, to reduce interference?

Let's say someone has four CAT5 cables that are running along the ceiling for the length of a room (30 feet), of which most of the twisted pairs are connected to Arduino input/output pins on one end. ...
2
votes
3answers
305 views

How can I turn this into an (Ableton) controller?

I found this lovely decade box in a demolished house recently and want to turn it into an Ableton controller. As you see, there are 18 knobs, each with 12 individual states. I'd like to have a ...
2
votes
1answer
2k views

How does DDRD |= _BV(PD2) differ from digitalWrite(2,HIGH)?

I'm attempting to copycat the work of Louis Frigon's Toyota Aux Enabler. I have (with a lot of help on this site) managed to begin capturing and understanding messages on the AVC-LAN bus, but I can't ...
2
votes
1answer
110 views

wiring a arduino led project

I am moving a project from breadboard and jumper cables. It light a bunch of LEDs with different sets running of many almost every pin. I need a few meters of cables. I will a resistor on each led. I ...
2
votes
2answers
85 views

Two Identical Potentiometers, two different results

quick question. I have two 10 turn precision potentiometers and I tested both when I bought them a few weeks ago, both worked as expected. However now that I have epoxied one of them into my project ...
2
votes
2answers
10k views

Basics with DHT11

I just bought the sensor DHT11 and trying to test it with the library code provided by the IDE, but I always get the same error on .read() . Code -2 /*#################################################...
2
votes
1answer
532 views

7 Segment Display SET UP

I am new to Arduino. I have been trying to connect a 7 segment display (3 digits) to my Arduino and I was successful, but I am not doing any connection to ground. I do not find the data sheet so I am ...
2
votes
1answer
33 views

Connecting LEDs and push buttons 12 feet away from Arduino UNO

I have a PCB (let's call it remote PCB) on which I have 4 LEDs and 4 buttons mounted. The remote PCB is far away from my desk (about 12 feet away). The LEDs are used to indicate the status and the ...
2
votes
2answers
107 views

Use chars in quotes in const char* as name of function

I have been trying for a long time how to use a word declared as const string* word = "xxx" as name of void function declared somewhere below in my code. Here is example with ssid: const ...
2
votes
1answer
54 views

Sending data over two independently powered arduinos

I have multiple arduinos that are each powered by a 12v battery through a 5v regulator. All arduinos share a common ground. Can I simply connect the digital output from one arduino into the digital ...
2
votes
1answer
629 views

Use SD-Card module in combination with MKR GSM 1400

I have bought a SD Module with the following Pin-Names: VCC,GND,MOSO,MOSI,CS,SCK. I've found many tutorials on how to use it with the Arduino Uno. But haven't found any on how to wire it with the MKR ...
2
votes
2answers
3k views

Issue with code for SDA/SCL TC9548A Multiplexer and HMC5883L sensors

This is my first time posting on this forum, so I hope my question is appropriate here. My team is working with the Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout board to try and read from six ...
2
votes
1answer
280 views

Long run data wire

I need to connect the data of a LED strip (WS2812) to a pin but the strip is 10 meters away using AWG 22. I use a 12V DC power supply. Should I expect some misbehaviour, like the LED not getting the ...
2
votes
3answers
3k views

Human circuit trigger

The main idea is to create trigger which can be switched on by touching 2 plates on opposite walls. And these should be performed by few peoples holding each other hands. Obviously human body has big ...
2
votes
1answer
372 views

Arduino Uno wiring and code with Parallax PMB-688

I'm new to Arduino GPS and am wondering if I could be pointed in the right direction regarding code and wiring when hooking up my Parallax PMB-688 to an Arduino Uno
2
votes
1answer
34 views

Wirelessly (but fast) transfer STEP and DIR output from Arduino to stepper driver

Very short version: Looking for a way to wirelessly get STEP and DIR signals (only those two signals) from an Arduino to a DRV8825 stepper driver about a meter away: Arduino -> STEP and DIR IO pins ...
2
votes
0answers
61 views

Do these types of wires exist? [closed]

I was wondering if the following type of wire adapter existed. Because I have some small JST pins and I need to connect them to some JST XH pins. (Preferably on amazon): JST to JST XH adapter
2
votes
0answers
29 views

Brushless motor vibration/jitter/noise - arduino uno

I am currently using these motors and driving them off these drivers and an arduino uno, and alternatively trying to make them turn using the setup in step 6 (both with l298n and without) in this ...
2
votes
2answers
85 views

Switched from 3ft to 10ft connection wires. My setup doesnt run correctly now. Timing issues?

Running a DC motor(6.5A max input), motor driver (MD10C 7Amp peak output), and Arduino Mega. I am stabilizing an object with an accelerometer as my sensor. I switched to longer wires so I can have my ...
2
votes
0answers
58 views

Project: Relay is ticking, but not actually switching [closed]

I'm trying to make an automatic planter for herbs etc. I finally got everything 3D printed and wired together. But for some reason, the relay I'm using refuses to switch or enable certain connections. ...
2
votes
0answers
499 views

Connecting RCA audio cables to Arduino

I'm working on a project which needs better audio quality than just a piezo buzzer, so I went out and bought a pair of used cheap speakers for $3. It turns out that they have RCA audio inputs rather ...
2
votes
0answers
361 views

How to recreate this basic ALPS switch board in Arduino?

I want to recreate this existing ALPS switch board (the board on the left) in Arduino, so I can control the switches (and 3 memory + 1 menu buttons) from my laptop. The ALPS switch board connects to a ...
2
votes
0answers
73 views

How to splice into existing buttons?

I want to control a kettle. It has 4 buttons and a digital disply of the temp. I would like the buttons and disply to remain functional. I just want to make the buttons remoteky pressabke. The buttons ...
1
vote
1answer
265 views

Connecting CAT5 robustly between portable Arduino and more portable sensors

Newbie wiring question. I’m building a lightwand of some sort, involving an RGB LED and a few pushbuttons that I want to wave around (the “remote”), while staying connected over ~0.5 - 3m to an Uno (...
1
vote
2answers
915 views

Best practices for really long distance sensor deployments

I'm noob to Arduino and electronics, but here is a problem from life which I need to solve for myself: We grow strawberries and early spring freezes can take most of the flowers from the plants. One ...
1
vote
2answers
793 views

Help with wiring? Fritzing example inside

I am trying to prep my wiring for a 8x8 Led Matrix w/ Bluetooth according to the following instructable: http://www.instructables.com/id/Arduino-SPI-7-Bi-color-LED-Matrix-Scrolling-Text-D/?ALLSTEPS ...
1
vote
1answer
1k views

How to prevent shoot-through when swiching a motor with a bridge?

Ideally, when wiring a motor with an H-Bridge one would ensure that all "open" operations are performed before and "close" operations in order to prevent a short circuit. How does one ensure that ...