Post on 15-Apr-2017
05/03/2023 1www.potentiallabs.com
Syed Anwaarullahsyed@potentiallabs.com
Introduction to Raspberry Pi and IoTFaculty Development Program Primer
Siddharth Engineering College – Vijayawada, India26th Dec, 2016
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Agenda:•Introduction to Raspberry Pi•Raspberry Pi vs Arduino (uP vs uC)•Raspberry Pi OS Installation, Boot, GUI and SSH•Exploring the System, Text Editor (nano), SU, Shutdown, Restart•GPIO Pin Mapping•Introduction to Python• Creating and executing Python programs• H/W interfacing using Python•Building a Real Time Home Automation System
05/03/2023 3www.potentiallabs.com
Introduction to Raspberry Pi•Raspberry Pi is a fully-functional SBC (Single Board Computer)•Runs operating systems: Linux (Raspbian/Fedora/Arch/FreeBSD), Windows 10 (IoT Core), AndroidThings•Plug it into a monitor, keyboard & mouse You have a stand alone PC•Primarily designed to teach and promote Computer Science in Schools
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Tech Specs of Raspberry Pi 3•CPU: 1.2 GHZ quad-core ARM Cortex A53 (ARMv8 Instruction Set)•SoC: Broadcom BCM2837 (roughly 50% faster than the Pi 2)•1GB RAM•4 USB ports•40 GPIO pins•HDMI port•Network: 10/100 MBPS Ethernet, 802.11n Wireless LAN, Bluetooth 4.0•Combined 3.5mm audio jack and composite video•Camera interface (CSI)•Display interface (DSI)•Micro SD Card Slot•GPU: Broadcom VideoCore IV @ 400 MHz
05/03/2023 7www.potentiallabs.com
Raspberry Pi OS Installation, Boot, GUI and SSH•Download OS from https://www.raspberrypi.org/downloads/•Flash the OS Image onto a SD Card using Win32DiskImager Image Writer•Powering it ON• Plug in the SD Card, Keyboard, Mouse and Micro-USB Cable•If prompted with a login screen:• Username: pi• Password: raspberry•sudo-raspi config – Initial config•Using Putty to remotely connect to a networked Raspberry Pi
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Exploring the System, Text Editor (nano), SU, Shutdown, Restart•Shell commands•File explorer•nano Text Editor•SU access•Shutdown, Restart
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Python Programming•Python Interpreter• Interpreter vs Shell•Creating Python Programs and executing them
05/03/2023 10www.potentiallabs.com
Hardware Interfacing with Python – Simple LED Blink
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Interfacing Relay to Pi – using GPIOZero Library
https://gpiozero.readthedocs.io/
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Interfacing Smoke Sensor to Pi
Caution: Use the 3.3V for VCC instead of 5V VCC
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More interfacing Examples:
https://www.raspberrypi.org/learning/physical-computing-with-python/worksheet/
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Building a Web Controlled Home Automation System
Sensors, Actuators, etc
Web App(PHP)
Polling
http://potentiallabs.com/IoT/relay-status.txt Relay/Light Statushttp://potentiallabs.com/IoT/relay-control.php?status=1 Turn ONhttp://potentiallabs.com/IoT/relay-control.php?status=0 Turn OFF
05/03/2023 21www.potentiallabs.com
WebIOPi – Raspberry Pi IoT Framework
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Learning Resources•Raspberry Pi official website: https://www.raspberrypi.org•Learning Python: http://learnpythonthehardway.org/•Raspberry Pi Tutorials: https://learn.adafruit.com/category/learn-raspberry-pihttps://learn.sparkfun.com/tutorials/tags/raspberry-pihttp://elinux.org/RPi_Tutorials - Dozen of Computer Science Projects
05/03/2023 24www.potentiallabs.com
Syed Anwaarullahsyed@potentiallabs.com
Thanks