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Unanswered Questions

453 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 ...
0 votes
0 answers
66 views

Initializing both I2C devices of a RP2040 Rpi Pico with Earle Philhower Core

I'm using the Arduino IDE (v1.8.19) with the Earle Philhower core to program a Raspberry Pi Pico (RP2040) board. I2C bus 0 of the Pico (pins 4 (SDA) and 5 (SCL) are coupled to a first MCP23017 port ...
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 ...
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 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
593 views

ESP-C3 Super mini MAX98357A and SD Card Reader together

After a lot of research and minimum results about pin mapping and particular specific configurations for SPI and I2S on ESP-C3, i about to give up on this. I have recently bought ESP32-C3 Supermini ...
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\ ...
1 vote
0 answers
70 views

Weird issue with wire.requestfrom() and MailClient.sendMail() on ESP32- rst:0x3 (SW_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)

Update_2: No change after Update_1, same error. I still have to comment either email, I2C, or Temperature out, that the other two can work. Update_1: I'm also using a DS18B20 with #include <...
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 ...

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