Gym Turnstile Access Control Flow

Data Flow Diagrams (DFD) · made in Skemio

Data flow diagram showing RFID turnstile badge scanning, member account validation against a subscription database, unlock command execution, and audit logging.

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What it shows

Local turnstile controllers cache recent validations for sub-second latency
Membership checks verify both expiration dates and facility capacity limits
Asynchronous access logging prevents turnstile lockups during network spikes

The takeaway

Validate membership status synchronously at the edge, but persist audit logs asynchronously.

#IoT
#Architecture
#Database
#EdgeComputing
#Backend

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