Shared about my first hardware project at Hackware 3.0 https://hackernoon.com/diy-home-automation-fan-control-with-raspberry-pi-3-rf-transmitter-and-homebridge-59ad24845770

1. DIY Ceiling Fan
Automation
With Raspberry Pi 3, RF Transmitter & Homebridge
Muh Hon Cheng
Twitter @honcheng

2. SG NextBus Action on Google
Ask Google Home for bus arrival time in Singapore
https://hackernoon.com/a-smart-home-with-sg-nextbus-using-google-home-amazon-echo-704342089727
https://www.youtube.com/watch?v=mKIMRMXpZeY

3. https://www.youtube.com/watch?v=c9_kflakCZc

4. RF fan remote

5. Platforms & Hardware?
HomeKit
+
Homebridge
Raspberry Pi 3
RF receiver
+
RF transmitter

6. https://www.amazon.com/
CanaKit-Raspberry-
Ultimate-Starter-Kit/dp/
B01C6Q4GLE
https://www.amazon.com/
gp/product/B00M2CUALS

7. Steps
• Set up Raspberry Pi 3
• LED tutorial
• Learn the remote RF signal
• Broadcast RF signal to test
• HomeKit integration
• API to broadcast the signal
• Homebridge plugin

8. Setting up Raspberry Pi 3

9. Raspberry - Breadboard - RF receiver/transmitter

11. Steps
• Set up Raspberry Pi 3
• LED tutorial
• Learn the remote RF signal
• Broadcast RF signal to test
• HomeKit integration
• API to broadcast the signal
• Homebridge plugin

12. Learning the remote RF
signals
• Install pilight
• Configure config.json to set the sender &
receiver value
Based on tutorial from http://stevenhickson.blogspot.sg/2015/02/control-anything-
electrical-with.html

13. Configuring pilight

14. Configuring pilight
GPIO numbering table from http://wiringx.org

15. Configuring pilight
GPIO numbering table from http://wiringx.org

16. Learning the remote RF
signals
• Install pilight
• Configure config.json to set the sender &
receiver value
Based on tutorial from http://stevenhickson.blogspot.sg/2015/02/control-anything-
electrical-with.html

17. Learning the remote RF
signals
• Install pilight
• Configure config.json to set the sender &
receiver value
• Use pilight-debug to read RF signals from
remote
Based on tutorial from http://stevenhickson.blogspot.sg/2015/02/control-anything-
electrical-with.html

18. Learning the remote RF
signals

19. Steps
• Set up Raspberry Pi 3
• LED tutorial
• Learn the remote RF signal
• Broadcast RF signal to test
• HomeKit integration
• API to broadcast the signal
• Homebridge plugin

20. Broadcasting RF signals
• Use pilight-send to broadcast the RF signal
Based on tutorial from http://stevenhickson.blogspot.sg/2015/02/control-anything-
electrical-with.html

21. Broadcasting RF signals
• Use pilight-send to broadcast the RF signal
Based on tutorial from http://stevenhickson.blogspot.sg/2015/02/control-anything-
electrical-with.html

22. Broadcasting RF signals
https://www.youtube.com/watch?v=IJ1U47Vke7U

23. Broadcasting RF signals
• Use pilight-send to broadcast the RF signal
• Repeat for all buttons on the RF remote
Based on tutorial from http://stevenhickson.blogspot.sg/2015/02/control-anything-
electrical-with.html

24. Steps
• Set up Raspberry Pi 3
• LED tutorial
• Learn the remote RF signal
• Broadcast RF signal to test
• HomeKit integration
• API to broadcast the signal
• Homebridge plugin

25. HomeKit integration
• Homebridge: open-sourced
NodeJS server to emulate iOS
HomeKit API
https://github.com/nfarina/
homebridge
• Runs on Raspberry Pi
• Add new accessory support
with Homebridge plugin

26. HomeKit integration
• API to broadcast the signal
• Homebridge plugin

27. API to broadcast signals
• REST APIs with Python/Flask to execute pilight-
send with command line.
https://github.com/honcheng/rfremote-fan-api

29. Homebridge plugin
• Modified an existing Homebridge plugin:
homebridge-tosrox-fan that controls a 3-speed
TOSRox fan.
• Calls the new API to control my fan.
https://github.com/honcheng/homebridge-rfremote-fan

30. Homebridge plugin
• Modified an existing Homebridge plugin:
homebridge-tosrox-fan that controls a 3-speed
TOSRox fan.
• Calls the new API to control my fan.
https://github.com/honcheng/homebridge-rfremote-fan
• Configure Homebridge to add the fans

31. Edit the Homebridge configuration file

32. Homebridge plugin
• Modified an existing Homebridge plugin:
homebridge-tosrox-fan that controls a 3-speed
TOSRox fan.
• Calls the new API to control my fan.
https://github.com/honcheng/homebridge-rfremote-fan
• Configure Homebridge to add the fans

33. Homebridge plugin
• Modified an existing Homebridge plugin:
homebridge-tosrox-fan that controls a 3-speed
TOSRox fan.
• Calls the new API to control my fan.
https://github.com/honcheng/homebridge-rfremote-fan
• Configure Homebridge to add the fans
• Restart Homebridge

35. Home Control Center
Controlling fan speed
in Home app

36. IFTTT + Google Home

39. IFTTT + Google Home

40. https://www.youtube.com/watch?v=nG4gClxFI_4

41. How I automated My Home Fan with Raspberry Pi 3, RF
Transmitter and Homebridge
https://hackernoon.com/diy-home-automation-fan-
control-with-raspberry-pi-3-rf-transmitter-and-
homebridge-59ad24845770
A Smart Home with SG NextBus using Google Home
and Amazon Echo
https://hackernoon.com/a-smart-home-with-sg-nextbus-
using-google-home-amazon-echo-704342089727
Twitter @honcheng