Ably Masterclass Episode 2 — Building an IoT Based Attendance System

Hello again, realtime tech aficionados!

I just concluded the second episode of the masterclass series where I talked about building an RFID based access card scanner that can publish messages directly into a Slack channel. In this article, I'll summarize what happened and link to all the essential resources you may need to build this yourself or learn more about the various components involved.