Exemple #1
0
def knightRider():
    for x in range(3):
        for led in ledList:
            latchPin.value = False
            simpleio.shift_out(dataPin, clock, led, msb_first=False)
            latchPin.value = True
            time.sleep(0.5)
Exemple #2
0
"""

import time
import board
import digitalio
import simpleio

# set up clock, data, and latch pins
clk = digitalio.DigitalInOut(board.D12)
data = digitalio.DigitalInOut(board.D11)
latch = digitalio.DigitalInOut(board.D10)
clk.direction = digitalio.Direction.OUTPUT
latch.direction = digitalio.Direction.OUTPUT

while True:
    data_to_send = 256
    # shifting 256 bits out of data pin
    latch.value = False
    data.direction = digitalio.Direction.OUTPUT
    print('shifting out...')
    simpleio.shift_out(data, clk, data_to_send, msb_first=False)
    latch.value = True
    time.sleep(3)

    # shifting 256 bits into the data pin
    latch.value = False
    data.direction = digitalio.Direction.INPUT
    print('shifting in...')
    simpleio.shift_in(data, clk)
    time.sleep(3)
OE           13      Gnd
MR           10      Vcc
"""
import time
import board
import digitalio
import simpleio

# set up clock, data, and latch pins
data = digitalio.DigitalInOut(board.D9)
data.direction = digitalio.Direction.OUTPUT
latch = digitalio.DigitalInOut(board.D7)
latch.direction = digitalio.Direction.OUTPUT
clk = digitalio.DigitalInOut(board.D5)
clk.direction = digitalio.Direction.OUTPUT

ff = 0  # flip flop
while True:
    ff = 1 - ff
    if (ff == 1):
        byte = 255
    else:
        byte = 0

    # write to 595 chip
    latch.value = False
    simpleio.shift_out(data, clk, byte)
    print("sending: {0:#010b} {0}".format(byte), end="\n")
    latch.value = True
    time.sleep(0.25)
Exemple #4
0
def quick():
    for led in ledList:
        latchPin.value = False
        simpleio.shift_out(dataPin, clock, led, msb_first=False)
        latchPin.value = True
        time.sleep(0.05)