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Questions tagged [seeeduino-xiao]

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Arduino board with StandardFirmata doesn't respond to C# and Python client

I have a Seeeduino XIAO board with Firmata running on it. I'm currently trying to write C# client to communicate with this board. I have tried using Iot.Device.Arduino, SolidSolis.Arduino and ...
Cregennan's user avatar
1 vote
1 answer
89 views

Code review for timer using RTC and OLED screen

I am building a small art project to display my current age with an accuracy of 1/100th of a second. I am using a XIAO SAMD21, a DS3231 RTC, and a 128x32 OLED screen. Here is what it looks like right ...
Mir's user avatar
  • 113
2 votes
1 answer
74 views

Functions delaying gesture sensor recognition

I am working on a simple little robot to cure my boredom and all it has is a 64 x 32 OLED for the eyes, and a PAJ7620 Gesture recognition sensor with a Seeeduino Xiao as the main board. Basically, ...
Renier Jr.'s user avatar
2 votes
0 answers
62 views

BLE disconnect during code "pause"

I have a code that should pause the script for a specific time (x_time). if x_time is above 30-40 sec the BLE connection to the android phone is lost. Any suggestions on how to avoid the lost ...
Masilila's user avatar
  • 121
1 vote
0 answers
42 views

Need help with debugging a heartrate/filter code (the heart rate calculation does not work)

The code below is a program that aims to apply the Pans-Thompskin algorithm to a signal attained from a ECG filter. The filter seems to work alright but it fails to blink the LED and collect a correct ...
David Chan's user avatar
0 votes
1 answer
229 views

Seeeduino XIAO read PWM duration (period) using timers change Pins freom D2 to D1

I designed a circuitboard and need to proof the function.Therefore i have to modify the code to read from Pins D1 instead of D2. Unfourtunatly i am not that familar with the high level programming so ...
Hannes's user avatar
  • 3
-1 votes
1 answer
92 views

passive buzzer is drawing 500mA

I am having a ridiculously hard time trying to make a passive buzzer work correctly on my Seeeduino XIAO. Here is the buzzer module : Here is how I believe it works, assuming the SOT23 smd is a PNP ...
Musa's user avatar
  • 167
2 votes
2 answers
230 views

How do I solve the sensor’s abysmal abnormal output?

Problem description When XIAO microcontroller is connected to the sensor signal output pin, keep printing unexpected values. Sketch I haven't sensor circuit diagram, you can machine translate and ...
C.SH.K's user avatar
  • 45
0 votes
1 answer
2k views

Seeeduino XIAO write and read PWM duration (period) using timers

I am trying to communicate between two Seeeduino XIAO (chip: ATSAMD21G18A-MU) by way of TCC capture using register timers. Square wave pulse duration varies from 200ns to 4us. I found these two code ...
MeSo2's user avatar
  • 177
2 votes
0 answers
96 views

Is a PWM phase duration set with OCR1A a reliable way to communicate values to other Arduinos?

I am working on communicating 4 switch states across multiple Arduinos using only one pin. It must be as fast as conceivably possible. Currently I have a master Arduino reading all 4 switches (...
MeSo2's user avatar
  • 177