Short description...
Schema, production files in the format needed for Seeed Studio.
Usage...
| 1 | GNDA | Ground. |
| 2 | GNDA | Ground. |
| 3 | +5VA | +5V power supply. |
| 4 | +3.3VA | +3.3V power supply. |
| 5 | RXDA | RXD. |
| 6 | TXDA | TXD. |
| 7 | CTSA | CTS. |
| 8 | RTSA | RTS. |
| 9 | NC | Not Connected. |
| 10 | RS485 | RS485 signal, connected to GNDA. |
| 1 | /GNDB | Ground. |
| 2 | /RXD | RXD. |
| 3 | /TXD | TXD. |
| Ref. | Count | Description |
|---|---|---|
| C1,R2,R3,R4,R5,R6,R7 | 7 | 100n, 0804 |
| D1,D2 | 2 | PSD12C |
| P1 | 1 | 10pin IDC connewctor, TTL |
| P2 | 1 | 3 pin screw terminal, RS232 |
| U1 | 1 | SI8442 wide body |
| U2 | 1 | F0505S-1W |
| U3 | 1 | MAX221CUE TSSOP16 |
