Questions tagged [arduino-setup]
The arduino-setup tag has no summary.
16 questions
12
votes
2
answers
25k
views
Multiple .ino files in the same sketch
Yeah yeah, I know people ask this type of thing a lot, but I couldn't find an answer anywhere.
I understand that you can have multiple .ino files in one sketch, but I don't just want functions and ...
- 233
1
vote
1
answer
628
views
Arduino MKR GSM 1400 fails to start up without Serial Monitor [duplicate]
This question is similar to another question, but I have added more details. See: MKR GSM 1400 Works only when connected to computer.
I have designed and built a custom board into which I plug an ...
- 135
1
vote
2
answers
714
views
how to config the Arduino ADC'S input on A0 instead of use default?
I am try to build this AC-DC meter, the code original used default A3 as input, how can change the input on A0?
the link:
https://simple-circuit.com/arduino-autoranging-ac-dc-voltmeter-with-trms/
...
- 11
1
vote
1
answer
445
views
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,...
0
votes
2
answers
108
views
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. ...
- 261
0
votes
1
answer
420
views
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. ...
- 295
0
votes
3
answers
445
views
Generating random pattern on startup
I'm trying to get an arduino to generate a random pattern in a neopixel grid every time you restart it. But I only get the same number sequence generated each time. What I'm doing wrong?
Here's the ...
- 101
0
votes
1
answer
1k
views
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 ...
- 103