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+# Electronics
+
+This folder contains hardware design files for SeedSigner electronics projects. Source files are provided in a range of formats including KiCad, Circuitmaker, and EasyEDA.
+
+## SEC1210 Smartcard Hat
+
+The [`SmartcardHat/`](SmartcardHat/) folder contains the design files for a CCID/PCSC compatible Smart Card interface hat that connects over UART through a standard Raspberry Pi GPIO header (using the SEC1210-URT or SEC1210-UR2 serial interface). It also provides a USB-C socket for powering the device. Available in full-sized card, SIM-sized card, and dual-slot variants. See the [SmartcardHat readme](SmartcardHat/readme.md) for full details.
+
+## SeedSignerPlus Display Hat
+
+The SeedSignerPlus display hat design files are maintained in a separate repository:
+
+👉 [**seedsigner-hardware — SeedSignerPlus Display Hat**](https://github.com/3rdIteration/seedsigner-hardware/tree/main/display_hats/plus_hat)
+
+## SeedSignerPlus + Smartcard Combo Hat
+
+The [`SeedSigner+ Smartcard combo hat/`](SeedSigner+%20Smartcard%20combo%20hat/) folder contains the design files for a hat that integrates the SeedSignerPlus display hat and the Smartcard hat functionality into a single board.