Unanswered Questions
691 questions with no upvoted or accepted answers
1
vote
0
answers
55
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FS1000A transmitter and MX-RM-5V receiver not working
I'm new to Arduino development. I use Arduino Nano v3 ATmega328P (Old Bootloader). I assembled 2 small boards, one of which is a transmitter with three buttons, and the second is a receiver with three ...
- 18.2k
2
votes
2
answers
70
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Problem sending serial data between Arduino and ATtiny back and forth
I am working on communication between a Arduino and ATtiny13, and I need to get this bare-bone communication to work. There is a Arduino Nano powered by USB cable from the PC, and there is ATtiny13 ...
CommunityBot
- 1
0
votes
2
answers
101
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SoftwareSerial.h: No such file or directory Arduino Nano + DF player
I'm looking to play songs from a DF Player mini and for that I use the SoftwareSerial.h library but my code keeps compiling an error that it's not there. In addition, the error only appears when I use ...
CommunityBot
- 1
-2
votes
1
answer
33
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you need to create a tachometer, but not with a hall sensor, but with a photoresistor and an LED
I'm sorry, could you help me create this arduino-based device? you need to create a tachometer, but not with a hall sensor, but with a photoresistor and an LED. The value should be transmitted to the ...
- 243
1
vote
2
answers
82
views
Arduino keeps restarting with L9110 and DC motor
I am trying to control a DC motor using the L9110 motor driver and Arduino MEGA 2560.
Here's the code.
#include <Arduino.h>
const int rightA = A3;
const int rightB = A2;
void setup() {
...
CommunityBot
- 1
-2
votes
1
answer
37
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BH350 Strain gauge Arudino naon
I have changed the strain gauge of BH350 modules with another strain gauge of equal 350 ohm strain gauge, but after the change, the readings are only 1 or 2. It's like there is no strain gauge ...
0
votes
2
answers
108
views
Connected the 3.3v output and the 5v output together
I accidentally connected the 3.3V output and 5V output to the same connection. How bad is that and what issues could that cause?
I was busy with making my first project which uses a module which runs ...
CommunityBot
- 1
0
votes
1
answer
126
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Trouble Programming ATTINY1616 with Arduino Nano via UPDI: No Communication
I'm trying to program a board I designed with an ATTINY1616. The schematic is shown in the photo. I'm trying to connect an Arduino Nano. +5V and GND are shared, while the UPDI pin is connected to the ...
CommunityBot
- 1
0
votes
1
answer
119
views
Arduino seems to be reading incorrect analog I/O. Am I doing something wrong?
I am using an ATTiny88 to measure temperature using a 470 ohm thermistor attached to port A3 on the Arduino.
The thermistor is attached in series with an 1870 ohm resistor connected to Vcc. At room ...
- 610
-1
votes
2
answers
126
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I need two (25 and 30 kHz) pwm output on a nano
How do I create a second output with a different frequency?
void setup() {
const byte DRIVEa = 3; // Timer 2 "B" output: OC2B
pinMode (DRIVEa, OUTPUT); // driver a.
TCCR2A = _BV (...
CommunityBot
- 1
1
vote
0
answers
59
views
rylr498 receiver problem
I have a problem receiving heart rate message tranmission data from the reciever. I was able ot transmit the data from the trasnmitter but I am unavke to recieve the data from the reciever side. This ...
- 1,773
1
vote
1
answer
373
views
ESP32-CAM infinite boot loop
I am currently using an ESP32-CAM with an OV5460 camera, and I am interfacing it with my computer using an Arduino nano. I am trying to run a camera web server and using the Arduino example code. I ...
CommunityBot
- 1
0
votes
1
answer
211
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Controlling a NEMA 17 with PID on TB6600, motor too slow
I'm writing there as I am kind of desperate to find a solution after many trials, back and forth with online solutions and ChatGPT, so maybe someone here can help.
My project is quite simple: I'm ...
CommunityBot
- 1
1
vote
0
answers
43
views
Disable verification of certification SSL A7670SA
I have the code below and it doesn't work with my URL. I receive a
715(Handshake Failed)
This code below works normally, but with my API it doesn't work.
I'm using a A7670SA with Arduino Mega 2560.
...
- 3,126
1
vote
0
answers
87
views
Sampling rate too slow
I have an Arduino Nano connected to an Adafruit H3LIS331 accelerometer. The sampling is initiated by a button press, which sets a delay to prepare for the measurement, and then the sampling begins. ...
- 1,795