arduino tag

71 questions


1 answers
118 views
0
Raspy to Arduino: SPI transmission/reception timing incorrectly corrupted

Hi Now I'm creating a program where Razpai generates 4 bytes, sends them 1 byte each, connects them when Arduino receives 4 bytes, and restores the information. I wanted to send you a float. (To be ho...


1 answers
79 views
0
Sample Spresense-Arduino Sketch pcm_capture Voice Data Structure

I would like to retrieve audio data from the microphone by referring to the example sketch pcm_capture in Spresense-Arduino and send the data via Wifi.Sketch example: I understand that the following c...

2 years ago

1 answers
95 views
0
About Arduino and SD Cards

Currently, the sample.txt in the SD card has a number 1,3,5,6,17... for each line, which is substituted by val as the counter value.When val=TimeDivCounter, I would like to run inside the switch and r...

2 years ago

1 answers
66 views
0
Information About "dtostrf" Support on SPRESENSE Arduino IDE

Programming with SPRESENSE Arduino IDE (Ver1.8.16).Regarding the function dtoostrf, which is often used to format float and double values in the Arduino language, the following compilation error occur...

2 years ago

1 answers
102 views
0
Deep sleep control using RTC via SDK

To save energy, we are investigating how RTC controls Deep Sleep (or Cold Sleep).With Arduino IDE, you can boot (boot) from Deep Sleep (or Cold Sleep) using RTC by using the LowPower Library API, but ...

2 years ago

3 answers
111 views
0
Sometimes spresense cannot create files to Flash memory

Currently, we are creating a program in arduino that records the value of the triaxial acceleration in flash memory on the spresense main board.However, the file is unstable, such as being created or ...

2 years ago

1 answers
109 views
0
Retrieving Text Data from Android Webview

I am viewing the text data sent in the server method in the Android web view.How do I retrieve this data from the webview by textual data?I tried the code below, but the value is null.public class Mai...

2 years ago

2 answers
72 views
0
Can I use sigfox in Sony Spresense?

Can I use Sigfox Shield for Arduino in the spresense?

2 years ago

1 answers
98 views
0
How to Check ROS for Messages Published in Spresense-Arduino

You are trying to edit the GNSS information receiving sketch in the Presense-Arduino sample, publish the received GNSS information as a custom message, and subscribe to another node.However, $rosrun r...

2 years ago

2 answers
90 views
0
I want to control the rotation of the motor based on the values read from the file.

The file on the SD card contains values one line at a time, and I would like to rotate the motor by substituting the value for val in the interrupt function.The file contains 1500, 2500, 500... and on...

2 years ago
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