Unanswered Questions
405 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
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 ...
1
vote
1
answer
187
views
LCD display connection without a resistor
Can run a LCD without a potentiometer or a resistor?
I don't have any.
Here it said to connect both:
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 ...
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 ...
0
votes
0
answers
42
views
Why are outputs (altitude and vertical velocity) still unstable (goes to negative infinity) after 2d Kalman filtering GY86 data?
I am using MS5611 in GY86 and ESP32 Dev kit to get the vertical velocity and altitude after running a 2d Kalman filter to it. (I modified the code from episode 19 of Carbon Aeronautics drone playlist)....
0
votes
0
answers
67
views
Why can my computer not see my Arduino Uno?
I've plugged my ELEGOO Uno R3 into a USB port on my computer with a USB cable. However, neither Arduino IDE nor my computer can see the device. When the Uno is connected, it shows no connected devices....
0
votes
0
answers
90
views
How can I display an image on a Waveshare ILI9486?
I am using STM32 and 3.5 inch TFT display (Waveshare ILI9486) and I want to display an image and I have connected the SD card. How to do using the Arduino IDE?
For now I am trying to fetch a word from ...
1
vote
1
answer
170
views
Need help with programing the LCD for my project
I am trying to make a digital die for my project at school. I am having trouble with the programming. I don't really know how to write code and I am not a programmer.
I took inspiration from a post on ...
1
vote
0
answers
96
views
Linker missing using Arduino IDE
I use the Arduino IDE 1.8.5 and it seems the linker disappeared. The error messages are:
arm-none-eabi-g++: warning: {compiler.optimization_flags}: linker input file unused because linking not done\
...
0
votes
0
answers
600
views
Can't upload to nano esp32
Recently bought a nano esp32 to play around with the small size and wifi module. However I'm plagued by the No DFU capable USB device available message.
My efforts and deductions:
I can connect to ...
1
vote
0
answers
169
views
Issue with multiple RC522s connected to Arduino Uno
THIS IS NOT A DUPLICATE QUESTION. My main problem is that whenever I
attach the third RC522, the whole system becomes unstable. When I
attach the fourth, suddenly one or two of the modules stop ...
3
votes
0
answers
1k
views
How to use C++20 in Arduino IDE?
I'm writing a program for esp32 using the Arduino IDE that needs to count the number of '1' bits in a byte.
I found a post elsewhere that says there's a nice function in the standard library to do it: ...