electricalgorithm / micropython-qwiic-keypad

MicroPython library for using Sparkfun's Qwiic Keypad with 12-buttons.

Sparkfun Qwiic Keypad for MicroPython

This library is an direct implementation of Sparkfun's own API.

	Description
.begin()	It only returns if the I2C slave is connected.
.is_connected()	Returns True if I2C slave responses.
.get_version()	Returns a string contains version numbers such as v1.0.
.get_button()	Returns last pressed button as char-string.
.get_time_since_pressed()	Returns milliseconds after last pressed button.
.update_fifo()	It is needed to run before .get_button() method.
.set_i2c_address()	Changes the slave address of the device.

Example

from time import sleep
from machine import I2C

from qwiic_keypad import QwiicKeypad

qwiic_I2C = I2C(10, 11)
keypad = QwiicKeypad(qwiic_I2C)
    
if keypad.is_connected():
    keypad.update_fifo()
    button = keypad.get_button()
    charButton = chr(int.from_bytes(button, "little"))
    print(charButton)

    sleep(0.25)

You can find other examples in examples/ directory.

License

It is under MIT license, check out the LICENSE file.