Questions tagged [arduino-setup]
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16 questions
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How to Connect Two CQRobot Ocean Non-Contact Water/Liquid Level Sensors (CQRSENYW001) to Arduino UNO REV3 (A000066)?
I am a complete beginner trying my hand at a home automation project.
Part of my setup includes using an Arduino UNO REV3 (A000066), and connecting two CQRobot Ocean Non-Contact Water/Liquid Level ...
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200
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boards.txt - how to create sub-menu (NOT new board!!!)
Arduino 1.8.19
Is it possible to create a sub-menu inside boards.txt that would allow having the boards grouped for example by the manufacturer?
If it is possible, please provide an example or at ...
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420
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Initialising timer interrupt crashes Mega 2560
Below is the entirety of my prototype code, the cycling of pin 13 is what I use to confirm the board is restarting. The board resets continually on this implementation of initialising the interrupt. ...
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what is causing my esp8266 setup function to reinitialise?
Here is code I have written:
#include <stdio.h>
#include <ESP8266WebServer.h>
#define MAX_WIFI_INIT_RETRY 50
#define WIFI_RETRY_DELAY 500
const char* wifi_ssid = "ssid";
const char* ...
1
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1
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445
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Hook Arduino up with thermal printer and power both externally
Disclaimer: I have no connection to adafruit.
A friend and me want to build a little project. We want to connect an arduino to a thermal printer and then print out little fortune-cookie like messages,...
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2
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108
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Rescuing an Arduino With a Broken Setup()
I may have bricked my Arduino Pro Micro by writing a broken code into the setup() function. When I plug my Pro Micro into my PC, I see it register a COM port for a brief moment before it disappears. ...
2
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How can I use delimiter/split serial input in a loop function? [closed]
How can I use delimiter/split serial input in a loop function? I want to use each word from the input and check a database, to check availability.
#include SoftwareSerial.h>
#define ...
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Arduino as switch for external circuit
I am trying to use the Arduino as a switch for an external circuit.
I first thought about using a shift register, but this wont allow me to switch the external circuit. Here is a little sketch of ...