How to solve everyday problems using technology? A brief description of how we open our office door from Slack.

1. Hodor
Solving Everyday
Problems with Tech
Martin Aichriedler ⧫ Nithish Raghunandanan
7th June 2018

2. Everybody focused on
their work

4. A Normal Working Day
● 50 Employees x 2-3
times
● 10 -15 External services
(DHL, UPS..)
100+ Interruptions /
Day ( 1 every 4 mins)

6. Hodor - A personal doorman for the office
Game of Thrones

7. Existing Solutions

8. Solution
● We love Slack!
● Internet of Things (IoT)
● Microservices
● Serverless Computing

9. Door + Intercom
Relay + RasPi Dataplicity Slackbot
Office door + Intercom

10. Door + Intercom
Relay + RasPi
Dataplicity Slackbot
Relay + Raspberry Pi

11. Door + Intercom Relay + RasPi
Dataplicity
Slackbot
Dataplicity
● Get the door opening
service online
● Remote shell access to
your Raspberry Pi
● Free

12. Door + Intercom Relay + RasPi Dataplicity
Slackbot
Slack Bot
● Small Python Web App
● AWS Lambda
● Zappa

13. Conclusion
● Rapid Development: 2 Evenings
● Cheap (< €40) & easy to integrate
● Buy Services / Software over
Building
● Lean: Pareto Principle (80/20 Rule)

14. Outlook
● 3D Print a case
● Detect the ring and integrate
with Slack
● Amazon Alexa or Google
Assistant integration

15. Live Demo

16. App
● Built using cross
platform Flutter.io

17. IoT Button

18. References
Source Code:
https://github.com/KI-labs/Hodor
Blog Post:
https://medium.com/ki-labs-engineering/hod
or-controlling-the-office-door-from-slack-a7
9e77635e39
Interested in working with us?
www.ki-labs.com
Martin Aichriedler
m.aichriedler@kigroup.de
@maichriedler
Nithish Raghunandanan
n.raghunandanan@kigroup.de
@nithishr