Sesame

Access control project for my home. Check it out on Arduino Project Hub.

Components

• Arduino Leonardo
• MFRC522 based RFID module
• Solid-state relay module
• Electric strike
• RGB LED module

Flow

                          ╔═══════════╗
                          ║ CARD READ ║
                          ╚═════╤═════╝
                         ╭──────┴──────╮
                   ✕ ╭───┤ MASTER CARD ├───╮ ✓
                     │   ╰─────────────╯   │
                 ╭───┴───╮             ╭───┴───╮
                 │ KNOWN │             │ FLIP  │
        ✕ ╭──────┤ CARD? ├──────╮ ✓    │ ADMIN │
          │      ╰───────╯      │      │ MODE  │
      ╭───┴───╮             ╭───┴───╮  ╰───────╯
      │ ADMIN │             │ ADMIN │
  ✕ ╭─┤ MODE? ├─╮ ✓     ✕ ╭─┤ MODE? ├─╮ ✓
    │ ╰───────╯ │         │ ╰───────╯ │
╭───┴────╮ ╭────┴──╮  ╭───┴────╮ ╭────┴───╮
│   DENY │ │ STORE │  │  ALLOW │ │ REMOVE │
│ ACCESS │ │ CARD  │  │ ACCESS │ │ CARD   │
╰────────╯ ╰───────╯  ╰────────╯ ╰────────╯

Breadboard