Unanswered Questions
967 questions with no upvoted or accepted answers
1
vote
0
answers
27
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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 ...
- 11
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
0
votes
0
answers
53
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ESP8266 Not Booting Properly on First Power On – Works After Restart
I'm working on an ESP8266-based water level monitoring system using an ultrasonic sensor and an I2C LCD. The problem I'm facing is that sometimes the ESP8266 does not boot properly when powered on for ...
- 610
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
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 <...
CommunityBot
- 1
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 ...
- 297
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 ...
- 1,525
-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 ...
1
vote
0
answers
148
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ESP8266 (Mini D1) does not come back after deep sleep but NodeMCU does
Kind of desperate here. I tried every solution found on this forum / google and others.
My sketch works perfectly with a NodeMCU 1.0
The same script should work on a Lolin Mini D1, everything works ...
- 11
-1
votes
1
answer
133
views
How many FPS I can theoretically get for streaming frame from OV7670 with this setup?
Setup:
OV7670 -> STM32F103... --USART--> ESP01 --UDP--> Gateway --> Internet --> Server
I want to achieve a real-time streaming experience.
Here is my analysis:
According to the ...
- 1,525
3
votes
1
answer
165
views
Error trying to play audio through an ESP8266 using the 'ESP8266Audio' library
I am attempting to use an esp8266 to play an .mp3 audio file through a connected speaker using the 'ESP8266Audio' library.
I have tested that the hardware setup is correct (e.g. I have been able to ...
CommunityBot
- 1
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
1
vote
0
answers
60
views
`__has_include` macro on ESP board
I am working on a code for ESP boards that can be used on either ESP32 or ESP8266 and I want to make sure I include the correct libraries.
I know I can check if ESP32 OR ESP8266 are defined, but I ...
- 201