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davidholmes1066
tool for testing transus instrument test tool
| Reference | Value | Description |
|---|---|---|
| U1 | LM3671MF-3.3/NOPB | |
| U2,U3 | FT231XS | |
| U4,U5 | 74LV1T34-Q100 | |
| U6 | SP3485EN | |
| C1,C4,C6 | 10uF | |
| C2,C3 | 47pF | |
| C5,C7-C13 | 0.1uF | |
| D1,D3 | 3v6 | |
| D2,D4-D7 | Green | |
| J1 | USB_B_RS485 | |
| J2 | USB_B_UART | |
| J3 | UART | |
| J4 | RS485 | |
| L1 | 2.2uH | |
| R1,R2,R7 | 27R | |
| R3,R6,R9-R11 | 3k3 | |
| R4 | 1k | |
| R5 | 10k | |
| R8 | 0R (DNM) |