diff --git a/keyboards/zmk-config/config/boards/arm/nrf52840_mdk_dongle/README.md b/keyboards/zmk-config/config/boards/arm/nrf52840_mdk_dongle/README.md new file mode 100644 index 00000000..92f2901f --- /dev/null +++ b/keyboards/zmk-config/config/boards/arm/nrf52840_mdk_dongle/README.md @@ -0,0 +1,23 @@ +# nRF52840 MDK USB Dongle + +A basic USB stick that contains the nRF52840 chip from Nordic and has 12 GPIOs available. + +Additional detail: https://wiki.makerdiary.com/nrf52840-mdk-usb-dongle/ + +## Hardware Features + +* Nordic nRF52840 System-on-Chip + * ARM® Cortex®-M4F processor optimized for ultra-low power operation + * Combining Bluetooth 5, Bluetooth Mesh, Thread, IEEE 802.15.4, ANT and 2.4GHz proprietary + * On-chip NFC-A tag + * On-chip USB 2.0 (Full speed) controller + * ARM TrustZone® Cryptocell 310 security subsystem + * 1 MB FLASH and 256 kB RAM +* Up to 12 GPIOs available via headers +* User programmable Button and RGB LED +* On-board 2.4G chip antenna +* 3.3V regulator with 1A peak current output +* VBUS & VIN Power-Path Management +* Convenient USB dongle form factor +* Breadboard-friendly with dual 10-Pin headers +* Measures 1.65" x 0.7" x 0.16" (42mm x 18mm x 4mm) without headers soldered in