71 questions
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...
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...
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...
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...
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 ...
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 ...
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...
Can I use Sigfox Shield for Arduino in the spresense?
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...
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...
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