![[Main Page]](/modules/mediawiki/images/mediawiki.png)
Hardware Requirements
A free USB port is required to update HardWaves devices.
Surfer
No additional hardware is required to update Surfer, since it connects directly on USB.
One - HW1
A USB-to-TTL UART cable is required.
UART required signals are: RXD, TXD, RTS, DTR, GND and Power.
Signals direction is indicated from the point of view of HW1 board.
| One PIN#
| Name
| Mode
| UART
| Remarks
|
|---|---|---|---|---|
| 1 | GND | Power | GND | Power & Signal Reference |
| 2 | /RST | IN | DTR | MSP RESET Signal |
| 3 | BSL_TX | OUT | RXD | TX Data (ONE -> Host/PC) |
| 4 | TEST | IN | RTS | MSP TEST Signal |
| 5 | BSL_RX | IN | TXD | TX Data (One <- Host/PC) |
| 6 | VDD | Power | +3V3 | +3.3 [VDC] Power Supply
|