Party badge and BLE hardware board
- Rigado BMD-340 Bluetooth low energy based on a Nordic nRF52840
- 64MHz ARM® Cortex™ M4F CPU, 1MB of flash memory, 256kB RAM, USB 2.0
- https://www.rigado.com/bmd-340/
- Lots of I/O
- Speaker
- 6 buttons
- SPI LCD screen
- JTAG interface
- Micro USB
- microSD card
- 2 SAO connectors
- 1 minibadges
- USB 2.0
- UART breakout
- NFC tag
Board design is in Kicad (5.0)
You can view the complete design in PDF format here