Difference between revisions of "Front Panel V2 Assembly Sheet Rev 1"
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| Line 11: | Line 11: | ||
|- | |- | ||
| 4 | | 4 | ||
| − | | 10K | + | | 10K, 1/4W |
| R3-R7 | | R3-R7 | ||
| | | | ||
| Line 19: | Line 19: | ||
|- | |- | ||
| 2 | | 2 | ||
| − | | 2.2K (NOTE 1) | + | | 2.2K, 1/4W (NOTE 1) |
| R1,R2 | | R1,R2 | ||
| | | | ||
| Line 27: | Line 27: | ||
|- | |- | ||
| 32 | | 32 | ||
| − | | | + | | 1K, 1/4W (NOTE 2) |
| R5,R8-R38 | | R5,R8-R38 | ||
| | | | ||
Revision as of 15:19, 20 June 2021
Parts List
| Qty | Value | RefDes | Qty | Value | RefDes | |
|---|---|---|---|---|---|---|
| 4 | 10K, 1/4W | R3-R7 | 32 | LED (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/SS | U1,U2,U3,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.
