Difference between revisions of "Front Panel V2 Assembly Sheet Rev 1"
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| 32 | | 32 | ||
− | | LED, | + | | LED, 5MM (NOTE 3) |
| DS1-DS32 | | DS1-DS32 | ||
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Revision as of 15:23, 20 June 2021
Parts List
Qty | Value | RefDes | Qty | Value | RefDes | |
---|---|---|---|---|---|---|
4 | 10K, 1/4W | R3-R7 | 32 | LED, 5MM (NOTE 3) | DS1-DS32 | |
2 | 2.2K, 1/4W (NOTE 1) | R1,R2 | 1 | HEADER, RT ANG, 2X2 | J6 | |
32 | 1K, 1/4W (NOTE 2) | R5,R8-R38 | 1 | HEADER, RT ANG 1X4 | J3 | |
4 | MCP23017-E/SP | U1-U4 | 1 | HEADER, RT ANG, 1x2 | J1 | |
32 | SW_Push | SW1-SW32 | 1 | HEADER, RT ANG, 1x5 | J2 |
Notes
- Note 1 - R1 and R2 are 2.2K I2C terminators. Needed for 3.3V operation and 400 KHz operation.
- Note 2 - 1K ballast LED resistors. Pick value for how bright you want LEDs at operating voltage.
- Note 3 - LEDs - I like diffused Orange LEDs. I don't like clear LEDs.