Difference between revisions of "Front Panel Assembly Sheet Rev 1"
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| Line 13: | Line 13: | ||
|- | |- | ||
| 4 | | 4 | ||
| − | | 10K, 1/4W | + | | 10K, 1/4W (Rear) |
| R33, R36-R38 | | R33, R36-R38 | ||
| | | | ||
| 32 | | 32 | ||
| − | | LED, 5mm (NOTE 3) | + | | LED, 5mm (NOTE 3) (Front) |
| DS0-DS31 | | DS0-DS31 | ||
|- | |- | ||
| 32 | | 32 | ||
| − | | 1K, 1/4W (NOTE 1) | + | | 1K, 1/4W (NOTE 1) (Rear) |
| R1-R32 | | R1-R32 | ||
| | | | ||
| 1 | | 1 | ||
| − | | HEADER, RT ANG, 1x2 | + | | HEADER, RT ANG, 1x2 (Rear) |
| J1 | | J1 | ||
|- | |- | ||
| 3 | | 3 | ||
| − | | 2.2K, 1/4W (NOTE 2) | + | | 2.2K, 1/4W (NOTE 2) (Rear) |
| R34-R36 | | R34-R36 | ||
| | | | ||
| 1 | | 1 | ||
| − | | HEADER, RT ANG, 1x5 | + | | HEADER, RT ANG, 1x5 (Rear) |
| J2 | | J2 | ||
|- | |- | ||
| 32 | | 32 | ||
| − | | SW_Push | + | | SW_Push, 6mm (Note 4) (Front) |
| SW0-SW31 | | SW0-SW31 | ||
| | | | ||
| 1 | | 1 | ||
| − | | HEADER, RT ANG, 1X4 | + | | HEADER, RT ANG, 1X4 (Rear) |
| J3 | | J3 | ||
|- | |- | ||
| 4 | | 4 | ||
| − | | [https://www.mouser.com/productdetail/microchip-technology/mcp23017-e-ss?qs=usxtMOJb1Ry4iqG%2FOK9gBg%3D%3D MCP23017-E/SS] | + | | [https://www.mouser.com/productdetail/microchip-technology/mcp23017-e-ss?qs=usxtMOJb1Ry4iqG%2FOK9gBg%3D%3D MCP23017-E/SS] (Front) |
| U1-U4 | | U1-U4 | ||
| | | | ||
| 1 | | 1 | ||
| − | | HEADER, RT ANG, 2X2 | + | | HEADER, RT ANG, 2X2 (Rear) |
| J4 | | J4 | ||
|- | |- | ||
Revision as of 15:39, 20 June 2021
Parts List / Assembly Order
| Qty | Value | RefDes | Qty | Value | RefDes | |
|---|---|---|---|---|---|---|
| 4 | 10K, 1/4W (Rear) | R33, R36-R38 | 32 | LED, 5mm (NOTE 3) (Front) | DS0-DS31 | |
| 32 | 1K, 1/4W (NOTE 1) (Rear) | R1-R32 | 1 | HEADER, RT ANG, 1x2 (Rear) | J1 | |
| 3 | 2.2K, 1/4W (NOTE 2) (Rear) | R34-R36 | 1 | HEADER, RT ANG, 1x5 (Rear) | J2 | |
| 32 | SW_Push, 6mm (Note 4) (Front) | SW0-SW31 | 1 | HEADER, RT ANG, 1X4 (Rear) | J3 | |
| 4 | MCP23017-E/SS (Front) | U1-U4 | 1 | HEADER, RT ANG, 2X2 (Rear) | 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.
