Questions tagged [programming]
The process of designing and writing source code as part of a program (or sketch) for Arduino. For questions about uploading code to an Arduino board, use the [uploading] tag instead.
194 questions with no upvoted or accepted answers
4
votes
1
answer
122
views
Can I use regular pins (Example: D2, A3, etc...) as serial (RX, TX)?
Python/Arduino Beginner here...
I have a DFplayer I am trying to hook to my Arduino and I want to hook it up through the regular pins instead of the RX and TX pins, but I've not been able to find ...
- 41
3
votes
0
answers
93
views
nano 33 BLE problems with reading RC signal
I'm using an Arduino Nano 33 BLE and a L293D motor driver to control a three-wheeled RC robot. The sketch I'm using worked fine with my Uno Rev3, but I've moved to the Nano for size/weight reasons, ...
- 31
3
votes
0
answers
119
views
My port is grayed out?
Hello I have a question on why my port is grayed out when I go to upload?
I’ve watched so many YouTube videos on what’s the problem and have been trying to do everything but just nothing seems to work!...
3
votes
0
answers
770
views
Getting atsam3x8e (Arduino Due) to work
I decided to make a pcb based on the atsam3x8e (microcontroller used in Arduino Due). For the design I copied most of the layout that I found on this site and looked at the official Arduino Due ...
- 155
3
votes
0
answers
633
views
Do software SPI read from a register using shiftin()
How to read from a register using software SPI, presumably shiftin()?
It works using the builtin SPI library + hardware SPI.
I seem to be able to write but not read using manual shiftin()/shiftout()...
J Halcres
3
votes
0
answers
406
views
How do I install a library in Arduino Yun cross compile environment?
A few days ago, I've asked this question.
Thanks to the replies I've received, I've set up a cross compile environment for Yun by following this guide.
I've created a virtual machine with virtualbox ...
- 53
2
votes
1
answer
115
views
Code for a load cycler seems to be stuck
I am trying to make a battery load cycler to charge and discharge a battery repeatedly for a certain amount of cycles and here is my code:
bool in_charge_mode;
int cycles = 0;
float cutoffvoltage = 2....
- 21
2
votes
0
answers
131
views
My code got my Nano ESP32 into a <500ms reboot loop
I have done a lot of reading and learning after previous help here and it has been great.
I have uploaded and tried many iterations of my code which all worked (Assuming my code was actually good) and ...
- 21
2
votes
0
answers
334
views
Arduino NANO RF reciever and Digispark Attiny 85 transmitter issues
I am trying to send RF signal from Digispark Attiny 85 (this one) and receive the signal with Arduino NANO V3.0 ATmega328 (this one). Transmitter and receiver are STX882 and SRX882 (these). Library ...
- 21
2
votes
0
answers
495
views
Coding issue with Fast LED Multiple Colour Palettes in a State Machine
I am working on a project using the WSB2812B LED strip, with a ATmega644A using the MCUdude/MightyCore plug in (https://github.com/MCUdude/MightyCore).
I am using Fastled 3.3.3 with Ardunio 1.8.13 on ...
- 21
2
votes
0
answers
465
views
Use AGPS functionality with Arduino and GPS module
Recently, we developed the UTRAQ L100 GNSS Module base board for testing all the capabilities of the GPS receiver.
https://www.elementzonline.com/blog/utraq-gps-l100-module-based-on-irnss-supported-by-...
2
votes
0
answers
1k
views
Set acceleration for stepper motor with no ending
I have a problem. I am using a stepper motor with 2 buttons. In my code I am trying to rotate the stepper motor clockwise while holding button1 and counter-clockwise while holding button2. To do that, ...
- 123
2
votes
0
answers
192
views
Please help with my tinkercad code. Debouncing stopwatch with lcd
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
int ssPin = 8;
int resetPin = 9;
bool cntrRunning = false;
int sec = 0;
int min = 0;
double currentMillis;
void setup()
{
...
- 21
2
votes
0
answers
82
views
loop once per startup for stepper motor
First of all sorry that i dont know much about programming, most of my codes are just copy paste. And of course, i know this question has been asked before, but while using this code:
#include <...
- 21
2
votes
0
answers
469
views
SG 90 servos randomly spinning
I started one project where i need 4 servos to control 4 grabbers jaws. i use STM32F103C8T6 with arduino IDE for programming it. The motor TZT Micro Servo 9g SG 90. First, I was playing with stepper ...
- 21