Accessory type: Module, Interfaces: Grove 4-Pin, Set: Yes
- Dimensions (L x W x H): 20 x 20 x 4.7 mm
- Full-speed USB device interface, USB 2.0 compatible, Type-C interface
- Hardware full-duplex serial UART interface
- Supports communication baud rates from 50 bps to 4 Mbps
- ±8kV ESD protection
- Program download indicator (Red/Blue)