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Raspberry Pi library for working with Amperka Octoliner line sensor board

Project description

OctolinerPi

A library for Raspberry Pi to interface with the Amperka Octoliner 8-channel line sensor.

Installation

Open the terminal on your Raspberry Pi and use pip to install the library:

pip3 install octoliner

If you haven’t enabled I²C support in your Raspbian Linux yet, run the configuration tool to turn it on:

sudo raspi-config

Then: Interfacing Options → I2C → Yes (enable) → Yes (autoload) → <Finish> → Yes (reboot). The setting preserves across reboots.

Testing connection

$ python3 -m octoliner
0
0.5
0.675
0
1
# Ctrl+C to exit

API

Quickstart example:

import time

# Import the class required
# from the library octoliner
from octoliner import Octoliner

# Sensor on the standard bus and address
octoliner = Octoliner()

# Lower sensitivity to 80%
octoliner.set_sensitivity(0.8)

while True:
    # Read all channel values
    values = [octoliner.analog_read(i) for i in range(8)]

    # Print them to console
    print(values)

    # Repeat forever, twice per second
    time.sleep(0.5)

See full API reference in API.md.

Project details


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