Newest Questions
24,964 questions
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Task switching does not work when holding down a button in a program built in CoIDE
The program builds in CoIDE, but task switching does not work. When holding down the button, the task should switch, that is, 3 LEDs were lit first (when pressed, they turned off and turned on again, ...
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Reasons for an ATmega328P Nano SuperMini USB-C board not being recognized by a PC/Mac? [closed]
I recently got two of these ATmega328P Nano SuperMini USB-C boards but none of them is being recognized by my PC or Mac.
I'm using the old bootloader setting in the Arduino IDE 2.3.6, CH340 drivers ...
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How do I reinstall Arduino IDE 1.8.12 to correct corruption, without losing all of my libraries and board installations?
I have been told to reinstall my Arduino IDE Ver: 1.8.12 to correct some corruption with my current installation.
loading hardware from C:\Users\Paul\AppData\Local\Arduino15\packages: loading package ...
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1
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44
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Arduino Nano ADC input selection
The maximum ADC sample rate for the '328p, using the default prescaler of 128, is given as roughly 10000 samples per second. Maybe I've missed it, but I can't see whether that is the total rate for ...
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1
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I cannot get my NodeMCU board to communicate with Windows 11 [closed]
I have installed the CP210x Universal Driver for windows
I tried both the INF installer and bat file installation methods, then restarted.
When I plug in the NodeMCU board with Device Manager open, ...
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25
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ESP32 and Fingerprint Sensor – Serial Monitor Shows Nothing
I'm trying to connect a fingerprint sensor (Adafruit type) to my ESP32 (DOIT ESP32 Devkit V1), but the Serial Monitor remains completely blank, even though I'm using Serial.begin(9600) and printing ...
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27
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How to get relative orientation from MPU6050 without a fixed "up" direction (wand project)?
I'm working on a project using an MPU6050 connected to an ESP32 DevKit V1. The idea is to use it inside a wand, where the user can freely rotate it in their hand — meaning the wand has no fixed "...
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Kalman filter problem development for MPU6050
I developed a sumo robot code that needs to plan and move from a set location to the center of the ring. To do this, a mathematical model has been created and using the MPU6050 sensor, combining them ...
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37
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When I run my for loop the serial monitor is giving very strange results
This is unfinished code for driving a 4 digit 7 segment display. When I run my data function that should output the data to send to the shift register, I get a very weird output.
0 00111111
1 00111111
...
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37
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How does a sensor data move from physical layer to application layer
I have used Arduino IDE to program a IOT gateway using ESP32 and W5500 ethernet module to use them as a ethernet webserver.
I wanted to know for educational purpose, I know that sensor belong to ...
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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 ...
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I built a two wheeled Arduino robot but the code keeps getting stuck and the robot does not do anything [closed]
I am trying to run the code for a self-balancing robot. I used the hardware, schematic, and code from CircuitDigest. I attached a link at the bottom along with the schematic. The first line it should ...
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46
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"Why am I getting 'Failed to read from DHT sensor' with my DHT11 on Arduino?"
I am using an Arduino Uno and a DHT11 sensor (mounted on a small blue module with 3 pins) for measuring temperature and humidity. However, I'm getting the error message "Failed to read from DHT ...
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How to wire a 9v power supply to an LED matrix and power Arduino Uno?
So I've been looking for some advice but I can never find a good answer. My current project requires me to externally power a btf lighting 22*22 matrix to an external power supply. I bought one from ...
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1
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100
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ESP32 LED PWM fade not working?
Not sure if this belongs more in an electronics SE, but I'll give this a try.
I'm trying to use an ESP32-C3 and an NPN transistor (2N5551) to PWM drive an LED (values below). I'm trying a simple fade, ...
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