Difference between revisions of "Front Panel V2 Assembly Sheet Rev 1"
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Blwikiadmin (talk | contribs) (Created page with "== Parts List == {| class="wikitable" ! Qty ! Value ! RefDes ! ! Qty ! Value ! RefDes |- | 4 | 10K | R3-R7 | | 32 | LED (NOTE 3) | DS1-DS32 |- | 2 | 2.2K (NOTE 1) | R1,R2 |...") |
Blwikiadmin (talk | contribs) (→Notes) |
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== Notes == | == Notes == | ||
| − | * Note 1 | + | * Note 1 - R34 and R35 are 2.2K I2C terminators. Needed for 3.3V operation and 400 KHz operation. R36 is INT* pullup. |
| − | + | * Note 2 - 1K ballast LED resistors. Pick value for how bright you want LEDs at operating voltage. | |
* Note 3 - LEDs - I like [https://www.ebay.com/itm/381087033256 diffused Orange LEDs]. I don't like clear LEDs. | * Note 3 - LEDs - I like [https://www.ebay.com/itm/381087033256 diffused Orange LEDs]. I don't like clear LEDs. | ||
Revision as of 15:17, 20 June 2021
Parts List
| Qty | Value | RefDes | Qty | Value | RefDes | |
|---|---|---|---|---|---|---|
| 4 | 10K | R3-R7 | 32 | LED (NOTE 3) | DS1-DS32 | |
| 2 | 2.2K (NOTE 1) | R1,R2 | 1 | HEADER, RT ANG, 2X2 | J6 | |
| 32 | 560 (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 - R34 and R35 are 2.2K I2C terminators. Needed for 3.3V operation and 400 KHz operation. R36 is INT* pullup.
- 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.
