Questions tagged [arduino]
IMPORTANT! ALL ARDUINO QUESTIONS MUST BE PROGRAMMING RELATED Arduino is an open-source electronics prototyping platform based on easy-to-use hardware and software. Questions should relate to programming Arduinos only (as in questions about the Language Arduino). General Arduino questions may be asked on https://arduino.stackexchange.com or https://forum.arduino.cc
arduino
19,451
questions
0
votes
0
answers
5
views
Arduino IDE esp32 rainmaker method declared void error
I am trying to integrate my esp32 with rainmaker. I am using this official example on expressif git repo https://github.com/espressif/arduino-esp32/blob/master/libraries/RainMaker/examples/...
- 2,055
0
votes
0
answers
9
views
Arduino Nano Freezes when using 2 iic slaves. What could be the problem?
The Problem:
Serial freezes in less than a second saving the data.
So basically what I am trying to write is as follows:
Pull data from the accelerometer (5Hz currently, preferably 50~10Hz)
Pull real ...
- 5
0
votes
0
answers
16
views
Get input from joystick (via Arduino) that is powered by breadboard power supply
I want to use a breadboard power supply (5V) to power my joystick, i.e., to connect the positive and negative terminals of the power supply to the joystick ones, but to get input (x, y values) from ...
- 11
0
votes
0
answers
22
views
How to connect the Arduino to the API
This scenario, I created an API the endpoint is
method : PUT
http://localhost:5202/api/BinLevel/PutBinById?binId=1&binStatus=3 this is working via Postman.
Now trying to trigger this in Arduino ...
- 33
1
vote
1
answer
38
views
Serial.Read() of ESP32 skips 0 values when reading HEX data
I am trying to read data form my SmartMeter (Siemens IM350) and therefore i would like to use an ESP32. The SmartMeter sends data every 1 second when being called. The signal of the SmartMeter is ...
- 13
1
vote
1
answer
37
views
Servo motors do not rotate constantly unlike the original Arduino code intended to
I want to move servo motors for loop without stopping! What is wrong?
#include <Adafruit_PWMServoDriver.h>
#include <Wire.h>
Adafruit_PWMServoDriver pwm = Adafruit_PWMServoDriver();
int ...
- 11
0
votes
0
answers
22
views
RTC module current timestamp has truncated seconds
I have a simple bit of C (Arduino) code which uses a non-blocking interval timer to compare two different timestamp values to determine weather or not a specific interval x has passed, if so, then ...
0
votes
0
answers
24
views
API for Update BinReading using ARDUINO
I created an API here the endpoint
PUT: https://localhost:7213/api/BinLevel/PutBinById?binId=1&binStatus=3
This is working using Postman
Now, my challenges when I using arduino to update the level ...
- 33
-1
votes
0
answers
7
views
how to use spiffs and make a range of animations
i am on a project where i am using a tft display and a node mcu -12E, i wanna make a code where i first upload around 15 animations to the esp then i want to access them when i click a button
for ...
-1
votes
0
answers
37
views
HC-05 Bluetooth module disconnects 1 second after connecting [closed]
I'm trying to use a HC-05 module to communicate wirelessly between my windows 10 pc (also tried on a windows 11 pc with the same issue) and Arduino Uno but the status will change to "paired" ...
- 1
1
vote
2
answers
25
views
Trying to programmatically disconnect microbit Pin
I am trying to set up a lab for students to investigate capacitance via measuring voltage drop over a capacitor using a microbit. I have a microbit hooked up to a breadboard with a capacitor hooked up ...
- 105
0
votes
0
answers
13
views
Keypad matrix - key array producing only single digits
I'm using Arduino's Keypad.h library, with a piano circuit board key matrix, every key works, even multiple keypresses at once. However any double digit, so for example "10" results in "...
-1
votes
0
answers
21
views
Cannot connect to WIFI using Arduino UNO WIFI R2 [closed]
In this scenario, I have created a API for BinLevelReading that has parameters BinID and BinStatus using ASP.NET CORE
The data read by ultrasonic sensor will be the value of BinStatus.
If the the ...
- 33
0
votes
0
answers
15
views
SIM7000e AT Commands cannot acess all websites
I've been struggling with this issue for the past few days and haven't been able to find a solution. I'm working with an Arduino Mega, a SIM7000E shield from DFRobot (link: https://www.dfrobot.com/...
- 1
0
votes
0
answers
23
views
STM Nucleo F091RC: Only 4 Out of 8 USART Ports Working with HardwareSerial Library – How to Fix the Remaining Ports?
I'm using Visual Studio Code with PlatformIO and the Arduino framework to work with the STM Nucleo F091RC. I'm encountering an issue where only 4 out of the 8 USART ports are responding when using the ...
