Unanswered Questions
433 questions with no upvoted or accepted answers
1
vote
0
answers
55
views
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
views
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
views
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
views
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
-2
votes
1
answer
37
views
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
views
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
views
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
2
votes
1
answer
61
views
Is it possible to use an already working Barebones (328P) via FTDI to load a bootloader onto another 328P?
When testing / developing a proto type using a barebones board with 328P, I usually add a Serial to TTL adapter, which then allows me to modify and upload code as well as being able to the use Serial ...
CommunityBot
- 1
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
2
votes
0
answers
82
views
Reading MAX31888 works with Nano, but not with ATtiny85
I'm using the OneWire library to try and read temperatures from a MAX31888 sensor using this Arduino program:
#include <SoftwareSerial.h>
#include <OneWire.h>
#define RX PB4
#define TX ...
- 245
0
votes
0
answers
368
views
PCA9685 servo not working
I am working on a project where I want to connect 12 servos together.
I got:
Arduino Nano Every
PCA9685 16-channel, 12-bit PWM/servo shield
Power supply 5 V, 10 A
I got a PCA9685 16-channel, 12-bit ...
