Prototyping Home Automation Concepts Class 1: Home Automation Basics December 12, 2016 - Don Wilcher

Home Automation Basics Topics State of Home Automation Example Systems and Devices Hands-On Project: Pushbutton Switch and Buzzer, GrovePi+ Introduction

The State of Home Automation By 2022, a typical family home could contain more than 500 smart devices. A rise in the level of excitement about the smart home: a) millennials (79%) b) parents (76%) c) 50% of the overall population excited about the technology Source: Icontrol State of the Smart Home 2015 report.

The State of Home Automation… Home monitoring cameras and connected door locks are the among the most popular devices consider. a) a burglary takes place every 14.1 second in the US b) break-ins are through the front or back doors Heating and cooling accounting for 48% of energy use in a typical home: Thermostats topped the list of the most popular products in 2015. Source: Icontrol State of the Smart Home 2015 report.

Question 1 What population group has the highest percentage rating based on smart home excitement?

Example Systems and Devices Wink Relay A touch screen control panel Install it in place of a standard light switch Create a common center for a variety of smart products

Question 2 Name the two most popular devices considered for smart homes.

Example Systems and Devices… Wink Relay Works with third party experiences like Uber, FitBit, and IFTTT(If This Then That)

Example Systems and Devices… Schlage Deadbolt Locks

Question 3 The Wink Relay can be considered as _______ for home automation. an electromechanical switching device a common center for a variety of smart products a smartphone None of the above

Example Systems and Devices… Nest Thermostat

Example Systems and Devices… Apple Homekit

Example Systems and Devices… Chamberlain Garage Door Opener

Example Systems and Devices… AT&T Digital Life

Hands-On Project: GrovePi+: Pushbutton Switch and Buzzer-Alarm

Hands-On Project GrovePi+: Pushbutton Switch and Buzzer-Alarm Project Objectives: Learn about the GrovePi+ Shield Architecture a) Review of the circuit schematic diagram b) Review of electrical connectors and ports Build a pushbutton switch actuated buzzer-alarm

Hands-On Project… GrovePi+ Shield: Partial Circuit Schematic

Question 4 What two pin designators allow the Raspberry Pi to communicate with GrovePi+’s Atmega328p microcontroller?

Hands-On Project… Source: https://www.dexterindustries.com/GrovePi/engineering/port-description/

Hands-On Project… Source: https://www.dexterindustries.com/GrovePi/engineering/port-description/

Hands-On Project… GrovePi+ Shield: Electrical Connectors Circuit Schematic Diagram

Hands-On Project… Pushbutton Switch and Buzzer-Alarm Block Diagram

Hands-On Project: Pushbutton Switch and Buzzer-Alarm Parts: GrovePi+ Board & Raspberry Pi Piezo-Buzzer and 4 Conductor Jumper wire Pushbutton Switch and 4 Conductor Jumper wire

Hands-On Project… Pushbutton Switch and Buzzer-Alarm Wiring Diagram

Hands-On Project… Project Build Complete

Hands-On Project… Button and Buzzer Python Code

Hands-On Project… https://github.com/DexterInd/GrovePi Button and Buzzer Python Code can be obtained from Dexter Industries github site: https://github.com/DexterInd/GrovePi

Question 5 In the Button and Buzzer.py code, there a two lines of instruction that can be enable to print the state of the Piezo Buzzer. Identify these two lines of instruction.

Hands-On Project… Open LXTerminal on the Raspberry Pi desktop and type the following directory and file commands to run the Python Button and Buzzer code.

Hands-On Project… Congratulations!