REMOTE RASPBERRY PI 4 (WITH RASPBIAN BUSTER) USING MAKER PHAT

Introduction

Raspberry Pi Foundation have launched a new product, Raspberry Pi 4 Model B on 24th June 2019. There have many major improvement and one of them, it is support dual HDMI monitor with 4K resolution. However, if you don’t want to use monitor, you still can remote Raspberry Pi 4 using Maker pHAT.

Please refer to the following tutorial first:

  1. For Maker pHAT Rev1.0 – Getting Started with Maker pHAT
  2. For Maker pHAT Rev1.1 – Maker pHAT User’s Manual

Video

This video will show you how to remote Raspberry Pi 4 (with Raspbian Buster) Using Maker pHAT.

Hardware Preparation

This is the list of items used in the video.

Sample Program

This is the sample code for Maker pHAT.

from gpiozero import LED, Button, Buzzer
from time import sleep
import os
LED1 = LED(17)
LED2 = LED(18)
LED3 = LED(27)
LED4 = LED(22)
LED5 = LED(25)
LED6 = LED(12)
LED7 = LED(13)
LED8 = LED(19)
SW1 = Button(21)
SW2 = Button(16)
SW3 = Button(20)
BUZZER = Buzzer(26)
NONE = 0
DECREASE = 1
INCREASE = 2
ALL_OFF = 9
ALL_ON = 10
def beep(times, sec):
for x in range(times):
BUZZER.on()
sleep(sec)
BUZZER.off()
sleep(sec)
def led(ledNumber):
if ledNumber == 1:
LED1.on()
else:
LED1.off()
if ledNumber == 2:
LED2.on()
else:
LED2.off()
if ledNumber == 3:
LED3.on()
else:
LED3.off()
if ledNumber == 4:
LED4.on()
else:
LED4.off()
if ledNumber == 5:
LED5.on()
else:
LED5.off()
if ledNumber == 6:
LED6.on()
else:
LED6.off()
if ledNumber == 7:
LED7.on()
else:
LED7.off()
if ledNumber == 8:
LED8.on()
else:
LED8.off()
if ledNumber == ALL_OFF:
LED1.off()
LED2.off()
LED3.off()
LED4.off()
LED5.off()
LED6.off()
LED7.off()
LED8.off()
elif ledNumber == ALL_ON:
LED1.on()
LED2.on()
LED3.on()
LED4.on()
LED5.on()
LED6.on()
LED7.on()
LED8.on()
mode = NONE
ledPosition = 0
led(ALL_ON)
beep(1, 0.1)
led(ALL_OFF)
try:
while True:
if SW1.is_pressed and mode != DECREASE:
beep(2, 0.07)
mode = DECREASE
elif SW2.is_pressed and SW3.is_pressed:
sleep(0.5)
for loop in range(3):
led(ALL_ON)
BUZZER.on()
sleep(0.2)
led(ALL_OFF)
BUZZER.off()
sleep(0.2)
sleep(1)
os.system("sudo shutdown -h now")
elif SW2.is_pressed and mode != INCREASE:
beep(2, 0.07)
mode = INCREASE
elif SW3.is_pressed and mode != NONE:
beep(1, 0.07)
mode = NONE
if mode == INCREASE:
if ledPosition < 8:
ledPosition = ledPosition + 1
else:
ledPosition = 0
elif mode == DECREASE:
if ledPosition > 0:
ledPosition = ledPosition 1
else:
ledPosition = 8
led(ledPosition)
sleep(0.05)
except KeyboardInterrupt:
led(ALL_OFF)

view raw
MakerpHATDemoCode.py
hosted with ❤ by GitHub

Thank You

References:

  1. Getting Started with Maker pHAT
  2. Maker pHAT User’s Manual

Thanks for reading this tutorial. If you have any technical inquiry, please post at Cytron Technical Forum.

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