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Results tagged with arduino-uno
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user 501
The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.
17
votes
7
answers
133k
views
How do I know the sampling frequency?
I am beginning to get a bit confused about sampling rates and baudrates etc. I have this Arduino code:
#include <eHealth.h>
extern volatile unsigned long timer0_overflow_count;
float fanalog0;
int …
- 543
10
votes
3
answers
29k
views
Arduino time keeping using millis() is not accurate or correct?
I have been using the Arduino to record some data. In my Arduino sketch I also used the millis() function so I can keep track of the time at which each value I am measuring is taken. However, I notice …
- 543
12
votes
3
answers
6k
views
High precision timing on Arduino for serial communication
I am using an Arduino Uno to send time and voltage information over the serial port to Python to plot. However the interval timings between successive time stamps appears to be increasing over time, a …
- 543
5
votes
3
answers
8k
views
Arduino serial port reset in Serial monitor & Python
So am I using an Arduino with a shield to gain some voltage values for an ECG. I am then plotting that data in Python. However whenever I "observe" the serial port, be that through the Arduino serial …
- 543