Questions tagged [wires]

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

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12
votes
11answers
12k 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....
9
votes
4answers
3k 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
5k 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
2k 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
9k 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
411 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
148 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
1answer
48 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
1answer
514 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
426 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
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
1answer
62 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
3answers
151 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
274 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
1k 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
123 views

More missed messages with longer cables with nRF24L01+?

I am using nRF24L01+ 2.4 GHz transceiver. When I connect them directly (with SPI pins 10..13 from Arduino) to the adapter board for the nRF24L01 I get occasionally errors (meaning the receiver does ...
2
votes
3answers
103 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 ...
2
votes
1answer
74 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
84 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
51 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
391 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
2k 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
194 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
0answers
53 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. ...
1
vote
1answer
83 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
721 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
1answer
388 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 ...
1
vote
1answer
3k views

Wemos D1 & Relay shield

For one of my hobby projects I would like to use: Wemos D1 mini pro (schematic) Wemos D1 Relay Shield (schematic) to control the 24V (19W) mist maker. My current wiring is this: As you can see the ...
1
vote
1answer
470 views

How to use Arduino Pro Mini without Programmer

I'm a software engineer, but I'm not too skilled at understanding hardware design yet. I'm trying to learn how to use an Arduino Pro Mini board without the programmer connected, so I can actually make ...
1
vote
1answer
69 views

do two arduinos that are linked to a common 9v rail and ground still need a common negative connection for a serial tx rx connection?

so that there a 2 wires rather than 3 to connect between the two for purposes of serial communication. And the same question for 3 arduino megas on a common rail and using serial connections?
1
vote
1answer
3k 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 ...
1
vote
1answer
56 views

Arduino UNO and TB67H303HG Ic driver: Wiring question

I would like to control the TB67H303HG (a full bridge driver IC for DC motor adopting MOS in output transistor) with my Arduino UNO. This is its datasheet. I was thinking to connect: PIN 3 INPUT to ...
1
vote
1answer
170 views

16 X 2 LCD display blank with Arduino Uno

So I am following this tutorial to make my arduino display hello world and millis(), I got it to work for a minute, but then it stopped updating the milliseconds, and when I pushed the reset button it ...
1
vote
1answer
463 views

Portal gun sound effects and lights

I'm building a portal gun from the game Portal and I'm struggling with the wiring for the lights and sound. I've the lights working using the first image from Instructables and adding more LEDs ...
1
vote
4answers
3k views

16*2 1602A LCD not displaying any character or contrast, although correct wiring

I've used my LCD display with a lot of small projects. Now it doesn't work anymore. Most of the diagrams you find online use resistors and potentiometers. However I never done that, but still got it ...
1
vote
1answer
8k 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 ...
1
vote
1answer
360 views

splitable jumper wires question

I just received my starter kit from oddwires.com today and it came with a split-able ribbon cable for prototyping. I was curious if it is possible to split each wire off and use only what I need to ...
1
vote
3answers
84 views

How much power can a proto board handle?

I have been working on a project where I will be powering an Arduino and some LED light strips (2 x 3 Meter strips w/ 30 LEDs per meter). I am powering all of it from a 5v 10amp power supply. ...
1
vote
1answer
49 views

Dynamically switching pin out

I have a connector with 10 pins, and a bus which uses 2 of the 10 pins. What I need to do is, in software, attach my arduino to 2 of the 10 pins. I cannot wire it directly as the 2 pins required may ...
1
vote
2answers
1k views

Adding external power supply to any arduino connected component

I have an Arduino Pro Mini 3.3v and the voltage is too small for my buzzer to ring loudly. I want to add a 9v battery to power the buzzer. This is my current circuit: Arduino (pin 9) => Buzzer +ve ...
1
vote
1answer
181 views

Good tips for how to connect cables into Mux Shield II?

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 ...
1
vote
1answer
399 views

Arduino Servo is behaving strangely

I am trying to use the Arduino Servo library to drive a simple servo and am having some difficulty getting it to even move. Here's the setup: And the schematic that Fritzing generated for me: And ...
1
vote
1answer
904 views

Arduino starter kit example LEDS modification

I just begun with the Arduino starter kit, and in the second example I would like to test some changes to learn more. The point is to have a green LED shining, and when pressing the button the two ...
1
vote
1answer
354 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
1
vote
1answer
518 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 ...