Esempio n. 1
0
# We will write to the pins 9 to 16 from bus 1 so set port 1 to be outputs turn off the pins
bus1.setPortDirection(1, 0x00)
bus1.writePort(1, 0x00)

while True:

    # count to 255 and display the value on pins 9 to 16 in binary format
    for x in range(0, 255):
        time.sleep(0.05)
        bus1.writePort(1, x)

    # turn off all of the pins on bank 1
    bus1.writePort(1, 0x00)

    # now turn on all of the leds in turn by writing to one pin at a time
    bus1.writePin(9, 1)
    time.sleep(0.1)
    bus1.writePin(10, 1)
    time.sleep(0.1)
    bus1.writePin(11, 1)
    time.sleep(0.1)
    bus1.writePin(12, 1)
    time.sleep(0.1)
    bus1.writePin(13, 1)
    time.sleep(0.1)
    bus1.writePin(14, 1)
    time.sleep(0.1)
    bus1.writePin(15, 1)
    time.sleep(0.1)
    bus1.writePin(16, 1)
Esempio n. 2
0
# ================================================
# ABElectronics IO Pi 32-Channel Port Expander - Tutorial 1
# Version 1.1 Created 10/05/2014
#
# Requires python smbus to be installed with: sudo apt-get install python-smbus 
# run with: sudo python tutorial1.py
# ================================================

# This example uses the writePin and writePort methods to switch pin 1 on and off on the IO Pi.


#!/usr/bin/python 
from ABElectronics_IOPi import IOPI
import time

bus = IOPI(0x21)

bus.setPortDirection(0, 0x00)
bus.writePort(0, 0x00)

while True:
	bus.writePin(1, 1)
	time.sleep(1)
	bus.writePin(1, 0)
	time.sleep(1)
Esempio n. 3
0
# ================================================

# This example uses the writePin and writePort methods to switch pin 1 on and off on the IO Pi.


#!/usr/bin/python 
from ABElectronics_IOPi import IOPI
import time

bus = IOPI(0x21)

bus.setPinDirection(1, 1) # set pin 1 as an input

bus.setPinDirection(8, 0) # set pin 8 as an output

bus.writePin(8,0) # turn off pin 8

bus.setPinPullup(1, 1) # enable the internal pull-up resistor on pin 1

bus.invertPin(1, 1) # invert pin 1 so a button press will register as 1



while True:
 
   if bus.readPin(1) == 1: # check to see if the button is pressed
      print 'button pressed' # print a message to the screen
      bus.writePin(8, 1) # turn on the led on pin 8
      time.sleep(2) # wait 2 seconds
   else:
      bus.writePin(8, 0) # turn off the led on pin 8