arduino tag

71 questions

2 answers
164 views
0

SD card not detected by SPRESENSE

The expansion board is connected to SPRESENE and the LED sample on Arduio IDE on Windows is working properly.The micro SD card is formatted with FAT32 (tried 2G and 16G capacity) and has not been part...

arduino spresense

2 years ago

1 answers
104 views
0

About Writing the Esp-wroom-02 Program

I am currently trying to write a program to esp-wroom-02 using arduino IDE.warning:espcomm_sync failederror:espcomm_open failederror:espcomm_upload_mem failederror:espcomm_upload_mem failedI can't wri...

arduino

2 years ago

1 answers
122 views
0

I want to light 1000 NEO PIXEL LEDs on Arduino UNO

I'm thinking of lighting 1000 NEO PIXEL LEDs on ArduinoUNO.(https://www.switch-science.com/catalog/1399/)There is no problem around the power supply, but I will not be able to send a signal for about ...

arduino

2 years ago

1 answers
128 views
0

Loading Multiple Variables in sscanf

I am writing a program that extracts strings and numbers from the strings entered in Arduino, but it does not work well.char mode[6]=;double a, b, c;// str = PID 1.42.4 3.4sscanf(str, %s%lf%lf%lf, mod...

c arduino

2 years ago

1 answers
102 views
0

I want to buffer numbers with arduino and send serial all at once.

I write a program where arduino reads numbers from analogRead and temporarily stores them in a buffer, but it's not working well.Please let me know how I can solve this problem. I am trying to use an ...

arduino

2 years ago

1 answers
56 views
0

Electrical circuit system question DC power (-) malfunction when connected directly to GND of servo motor

The ESP32 connects directly from a DC power source to run the MG996R.The servo motor has started to rampage.In the end Why is the problem solved by connecting DC power supply (-)→Servo(GND)→ESP32(GND)...

arduino

2 years ago

2 answers
95 views
0

Unable to retrieve high-resolution images in RGB565 format in Spresense

As stated in the title, I would like you to tell me about obtaining high-resolution images in RGB 565 format in Spresense.I am trying to obtain images in VGA and FULL HD image quality in RGB565 format...

spresense arduino camera

2 years ago

1 answers
82 views
0

"A library called Simple DHT already exists" is displayed, but "No valid library exists in the specified folder/ZIP file" error.

If you install a zip-format library even though it says Simple DHT already exists, you will get an error saying The specified folder/ZIP file does not have a valid library.Running UNO3 on Arduino IDE

arduino

2 years ago

1 answers
108 views
0

Error installing or removing the Arduino Board Manager's Presense.

I'm using Arduino 1.8.13, but I can't change or delete the version of Spresense in the board manager.Also, the board manager displays a red java.langNullPointerException at the bottom of the screen an...

spresense arduino

2 years ago

1 answers
100 views
0

Use Arduino in the Jupiter Notebook for real-time representation of graphs

I would like to communicate with Arduino using Python, but the graph is not displayed in real time even if I do the following:Specifically, it only appears after execution.I'd like the image to be dis...

python matplotlib jupyter-notebook arduino

2 years ago

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