Difference between revisions of "Front Panel Assembly Sheet Rev 1"
Jump to navigation
Jump to search
Blwikiadmin (talk | contribs) (→Notes) |
Blwikiadmin (talk | contribs) |
||
| Line 11: | Line 11: | ||
|- | |- | ||
| 4 | | 4 | ||
| − | | 10K | + | | 10K, 1/4W |
| R33, R36-R38 | | R33, R36-R38 | ||
| | | | ||
| Line 19: | Line 19: | ||
|- | |- | ||
| 32 | | 32 | ||
| − | | 1K (NOTE 1) | + | | 1K, 1/4W (NOTE 1) |
| R1-R32 | | R1-R32 | ||
| | | | ||
| Line 27: | Line 27: | ||
|- | |- | ||
| 3 | | 3 | ||
| − | | 2.2K (NOTE 2) | + | | 2.2K, 1/4W (NOTE 2) |
| R34-R36 | | R34-R36 | ||
| | | | ||
Revision as of 15:10, 20 June 2021
Parts List
| Qty | Value | RefDes | Qty | Value | RefDes | |
|---|---|---|---|---|---|---|
| 4 | 10K, 1/4W | R33, R36-R38 | 32 | LED, 5mm (NOTE 3) | DS0-DS31 | |
| 32 | 1K, 1/4W (NOTE 1) | R1-R32 | 1 | HEADER, RT ANG, 1x2 | J1 | |
| 3 | 2.2K, 1/4W (NOTE 2) | R34-R36 | 1 | HEADER, RT ANG, 1x5 | J2 | |
| 32 | SW_Push | SW0-SW31 | 1 | HEADER, RT ANG, 1X4 | J3 | |
| 4 | MCP23017-E/SP | U1-U4 | 1 | HEADER, RT ANG, 2X2 | J4 |
Notes
- Note 1 - 1K ballast LED resistors. Pick value for how bright you want LEDs at operating voltage.
- Note 2 - R34 and R35 are 2.2K I2C terminators. Needed for 3.3V operation and 400 KHz operation. R36 is INT* pullup.
- Note 3 - LEDs - I like diffused Orange LEDs. I don't like clear LEDs.
