Skip to main content

Unanswered Questions

663 questions with no upvoted or accepted answers
1 vote
0 answers
27 views

Configuring the colors of the IDE

I do not like the dark theme at all and I set the Light theme, but the output background color is still black. I know that somewhere there is a file where it is possible to tweak the colors, but I ...
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 ...
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 ...
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 ...
-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 ...
1 vote
1 answer
102 views

ESP32-S3 Does not read BME680 Data

I build a PCB using ESP32-S3-WROOM-1-N16R2 Controller. I programmed a BME680 sensor with this MCU. My pinouts are, BME_SCK 38 BME_MISO 19 BME_MOSI 15 BME_CS 5 This is my Arduino code, #include <...
0 votes
0 answers
25 views

ESP32 Bluetooth Pair scanFilter not working properly

I am trying to make a bluetooth device with esp32 s3. Pairing should work like a headfone. At the First start, any device can connect my ble ESP32 after connecting I will add in whitelist this device ...
1 vote
0 answers
46 views

SB Components Micro RP2040 and ST7789 2.4 TFT LCD SPI display not working together using any library

I have a Micro RP2040 board from SB Components. Link to this product With this I also have a 2.4 inch SPI TFT LCD screen with an ST7789 controller Link to the screen, it's on that page just scroll ...
-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 ...
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 ...
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 ...
-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 (...
1 vote
0 answers
76 views

ESP32-S3 Stuck at a Crash and Not Auto Resetting

Given below is a short version of the Arduino code I used to program ESP32-S3. On some occasions the program crashes and unlike normal crashes this one get stuck there without Auto-resetting static ...
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 ...

15 30 50 per page
1
2 3 4 5
45