Staff lanyard — E-ink badge with RFID access
Rechargeable staff badge with a small e-ink display (name, role, assigned area) and a passive RFID tag. Tap to open restricted areas (back-of-house, control booths), tap-to-log shift hours, tap-to-assign assets. E-ink keeps the badge readable for weeks on a single charge. The RFID side is passive (no battery needed for the door readers). Syncs via WiFi overnight to update name, role and access list.
Problem
Staff badges in theme parks are usually printed on the first day and never updated again: no way to display the assigned area for the day, no way to log shifts automatically, no integration with door access. Operations teams end up maintaining separate printed lists, plastic cards, and a key ring.
Solution
A rechargeable badge with a small e-ink display (name, role, area) and a passive RFID tag. Tap to open restricted areas, tap to log shifts, tap to assign assets. E-ink keeps the badge readable for weeks per charge. Syncs via WiFi overnight to update display and access list.
Key takeaways
- E-ink display: name, role, assigned area, weeks per charge
- Passive RFID tag: no battery needed for door readers
- Tap to open, tap to log shift, tap to assign asset
- Syncs via WiFi overnight, no IT intervention during the day
Concept
The idea is a rechargeable staff badge that combines a small e-ink display and a passive RFID tag. The e-ink side shows the staff member’s name, role, and the area they are assigned to for the day; the RFID side is a standard MIFARE Classic tag that opens doors and logs taps on any reader the park already has. The badge is built around an ESP32-C3, with a LiPo battery that lasts weeks because e-ink only draws power when the display changes.
The badge syncs over WiFi at night: the operations system pushes the next day’s assignment, and the display updates when the staff member is back at the charging dock. During the day the badge works fully offline. The RFID side is independent of the e-ink side: a door reader doesn’t need the badge to be charged to authenticate. This decoupling is the design choice that makes the system practical.
Why this matters in themed entertainment
Most staff badges in parks are printed once and forgotten. The result is a daily routine of ops managers texting, paper lists on lockers, a ring of metal keys for back-of-house doors, and a separate card for time tracking. A single rechargeable badge that consolidates identity, area-of-the-day, door access, and shift logging saves the operations team hours every week and reduces the surface for lost keys and forgotten assignments. The e-ink display is the part that actually makes the badge useful: a glance tells a ride operator who is supposed to be where, today.