[BETA] Link Arduino and Python using serial port
Project description
SeriArduino
Install
For Arduino
- Clone the repo
- Compress the
seriarduino_cpp
folder intoseriarduino_cpp.zip
Note: You can also download
seriarduino_cpp.zip
from the releases
- Open the Arduino IDE
- Go into
Sketch
>Include a library
and add the library from theseriarduino_cpp.zip
file
For Python (tested on Raspbian)
-
Clone the repo OR uncompress the
seriarduino_py.zip
file from the releases -
Open the
seriarduino_py
folder in a terminal -
In the terminal, enter
./setup.py install
Usage
The following sample is linking an Arduino with a Raspberry Pi:
Arduino side
#include <SeriArduino.h>
SeriArduino raspberry;
String input;
float value;
void setup () {
// We set the serial to 9600 bauds (be sure to use the same on the Python side)
Serial.begin(9600);
}
void loop() {
// If raspberry gets any data
if(raspberry.available()) {
// We read the data and save it into the "input" variable
input = raspberry.read();
// We convert the input into a float,
// to do some computations later
value = input.toFloat();
Serial.println("We got a " + String(value));
// A simple computation
value = value * 2;
// We send the new data to the Raspberry Pi
raspberry.write(value);
}
delay(100);
}
Python side (Raspberry Pi)
from seriarduino import SeriArduino
arduino = SeriArduino(bauds = 9600)
while True:
# We ask what value to send
val = input("Value to send: ")
# We send to Arduino this value
arduino.write(val)
print ("Value sent: ", val)
# We wait for the answer
answer = arduino.read()
print ("The Arduino answer is: ", answer)
By default, SeriArduino will try to find the serial address, but you can also manually specify it by using the address argument on the constructor (e.g.
SeriArduino(address = "/dev/ttyACM0")
)
Project details
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