Looking for Advice on Digital Membership Card Software Integration for Makerspace Systems

Hi everyone, I’m currently exploring ideas for a membership card software system for community-based spaces like makerspaces, clubs, or workshops. The goal is to create a system where members can use a digital membership card (mobile-based) for easy check-in and access control. I’m particularly interested in how such systems can be integrated with existing tools and hardware setups.

Some features I’m thinking about:

  1. Apple Wallet / Google Wallet support
  2. QR code or RFID-based check-in
  3. Member fast check-in at entry points
  4. Basic membership management dashboard
  5. Optional integration with existing access control systems

What I’d really like to understand from this community is:

  1. What kind of systems are you currently using for member access?
  2. How do you handle integration between software and physical access (doors, scanners, etc.)?
  3. Any tools or platforms you’d recommend for building something like this?
  4. Common challenges you’ve faced with membership + access systems?

I’m trying to design something flexible and scalable, so any real-world experience or suggestions would be really helpful.

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