Questions tagged [wires]

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

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0answers
46 views

lightshow project

Hello guys. I'm working on a little lightshow that has 3 extra feature's when i press the button. depending on the variable counter the lights should do something and it should message you that you ...
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1answer
55 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 ...
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1answer
19 views

Wiring power new power button to UPS power module for raspberry pi [closed]

I have a UPS Power Module Expansion Board for Raspberry Pi 3B/3B+(Plus) and removed the power button because it is in the way and would like to attach this read button instead. But it is not working, ...
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1answer
139 views

Wiring ESP8266 and PN532

I'm trying the Android Hce example in this PN532 library. I can't find how to set SDA and SCL address in the code, so I tried connecting them in CLK and SD0 pins. The serial monitor gives me "Didn't ...
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2answers
35 views

How to set cables to connect Cp2102 to Pro Mini?

How to connect the cables in order to program the pro mini with the CP2102 usb interface ? The TX RX and GND is easy, but I am not sure about the RST, DTR, DST, etc I attached the images of both. ...
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1answer
28 views

Can an Arduino Pro Mini interface with a full-sized WiFi shield?

We have an Arduino Pro Mini on a breadboard connected to a 9V battery and a sensor, reading data. We also have a full-sized Adafruit WINC1500 WiFi Shield with PCB Antenna. I would like to know if they ...
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1answer
53 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 ...
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1answer
73 views

New to arduino, help wiring relay

I am new to arduino and need some help. I just baught light bars for my jeep and wiring harnesses with them, the harnesses come with buttons and I wanted to replace the button and have them controlled ...
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0answers
13 views

How to wire an lcd and a button [duplicate]

Anyone know how to wire a lcd with a button to react when the button is pressed and print on the lcd
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1answer
33 views

Code and wire a LCD and button [closed]

I need to code and wire: “Button is pressed.” to an LCD screen when a button is pressed. When the button is released, the LCD should display, “Button is released.” NEED HELP!!!
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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 ...
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1answer
158 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 ...
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0answers
42 views

Why do preformed breadboard jumper wire sets miss so many useful lengths? [closed]

When I'm setting up a small breadboard (400 point) with a Nano, I often find myself having to run wires that are between 1" and 2" or point distances between 10 and 20 spaces on the breadboard. I have ...
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0answers
166 views

What am I missing? ST7735 TFT white screen

I followed this guy's guide with regards to wiring, etc., and all I seem to be getting is a white screen, as shown in these pictures. Is there an issue with the guy's guide, I'm missing or there is an ...
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1answer
45 views

Can I read using an analog pin on an arduino Mega whether or not there is a high (5v) voltage on a wire from another board's digital pin?

I am making a peer-to-peer network of initiating devices and a common hub, which controls most of the hardware. It sends a number over Serial to Mega's Serial1 (Mega's Serial is used for communicating ...
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0answers
63 views

Sensors are not function with ESP8266 WeMos-D1R2

I attached all sensor into the Wemos-D1 for uploading the sensor data to the server. but when I upload the data to the server, it connects to the server but cannot save the data into the database and ...
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1answer
253 views

Connecting Winsen ZE11-C2H4 Sensor to Arduino

How should I connect the ZE11 Ethylene Sensor to an Arduino Uno? I want to know how to attach the pins of the sensor to the Arduino and which resistor I should use. I'm very unprofessional at working ...
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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. ...
2
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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 ...
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0answers
99 views

Correct wiring?

I'm doing some Home automation and am currently trying to automate my intercom system. My overall aim is to be able to detect when someone has pressed the buzzer and then to be able to open the door ...
2
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1answer
378 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 ...
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1answer
27 views

How to connect both MicroSD module and MPU9235 power in an arduino

I'm really new at electronics and wiring, so please be kind. Coding is my stuff, but I'm trying to learn something here. I'm working with a project to store the movements of a skateboard through a ...
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1answer
120 views

1.54 e-ink without driver [closed]

i wan’t to know if is possible to use this raw e-ink display with arduino. if it’s possible to directly connect cables from this ribbon cable to arduino without any driver pcb and control it with 3 ...
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1answer
371 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 ...
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1answer
2k views

3 digit 7 segment display

I have 3 digit 7 segment display with 10 pins I found this image pinout but it not working for me I need to know the pin out of this display
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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 (...
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0answers
247 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 ...
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3answers
128 views

Connecting arduino ground with battery powered remote control ground

I soldered a cable to the button of a remote control and I want to simulate that button press by setting the pin to input mode and back to output (LOW) again. For this to work I connected the ground ...
2
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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 ...
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1answer
441 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 ...
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1answer
2k views

Hardware Serial connection for Arduino Mega 2560 NEO GY-GPSMV2 GPS module

My project is Vehicle Tracking System, One of my module is GPS module (Neo GY-GPSMV2). I can successfully see the GPS coordinates via Software Serial. But what I want is that my Arduino should not be ...
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4answers
2k 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 ...
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1answer
42 views

Faulty self-made motor controller [closed]

My friends and I tried to make our own controllable car. We managed to set up the motor with the Arduino in a way which allowed the motor to be driven back and forth. The setup we use simulate this ...
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1answer
150 views

Concave button wiring with Arduino

I am new to working with Arduino and I have a basic question. I have an entire circuit set up and functioning, but I would like to add an arcade style button (Larger concave style) like this. So my ...
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1answer
112 views

ESP8266 only executes Sketch after switching on/off CH_PD pin

I started a new project with an ESP8266-01 module. I want to use it as stand-alone circuit to send an Email at the press of a button. The wiring is: VCC - 3.3v VCC CH_PD - 3.3v VCC GND - ...
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2answers
2k 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 ...
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1answer
5k views

Wiring when burning the bootloader of esp8266 [closed]

I want to burn the bootloader of esp8266. Assume I have esp8266 on esp12 in hand and an USB ISP programmer (or any other programmer like USBTinyISP). I (think I) know how to use the Arduino IDE to ...
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4answers
200 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 ...
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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. ...
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1answer
202 views

Coding or Wiring? Dual Piezo sensor not triggering LED lights

I am running two piezos off an Arduino UNO and trying to get 10 LED lights to trigger when the piezo voltage exceeds a certain threshold. Problem is, the LEDs wont fire when the Piezo voltage exceeds ...
2
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1answer
119 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 ...
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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 ...
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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 ...
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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 ...
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0answers
250 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 ...
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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 ...
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0answers
398 views

How can I connect a Fona to an Adafruit feather?

I have this adafruit-feather-huzzah-esp8266: https://learn.adafruit.com/adafruit-feather-huzzah-esp8266/pinouts and I want to connect a Fona board. But I am not certain which pins have the ...
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2answers
3k views

Arduino board is turning off when I connect to +5V

I am trying to set up an LCD screen without using a resistor or a potentiometer for an Arduino project. This is the LCD I am using: Basic 20x4 Character LCD. But when I connect to +5V on the Arduino ...
2
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1answer
72 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 ...
0
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1answer
174 views

How to detect if the arduino wire is still connected

I have hall sensors connected to an arduino, because of mechanical movements there is some possibility that the input wire may accidentally slip out of the arduino analogin sockets. Is there any way I ...