Step switch board
Step switch board is an open source PCB design by minisystem: a 2-layer, 217 × 27.5 mm board with 77 components (41 distinct parts). It is built around the 74HC165, 74AC595.
A Euroack drum machine
SYSTEM 80 808 ======================================
Analogue drum machine in Eurorack format. It is currently under heavy development.
Hardware design by Minisystem: info@system80.net
Built around
Parts list
77 components, 41 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 74HC165 | TSSOP-16_4.4x5mm_Pitch0.65mm | U38, U39 |
| 2 | 74AC595 | TSSOP-16_4.4x5mm_Pitch0.65mm | U40, U41 |
| 1 | CONN_01X08 | Molex_522710479_8_FFC | P3 |
| 1 | VAL** | HOLE-M3 | HOLE-M3 |
| 1 | VAL** | SNAP_HOLE_0.125_INCH | SNAP-HOLE-0.125-INCH |
| 1 | STEP1 | BF-4050-OMRON | SW23 |
| 1 | STEP2 | BF-4050-OMRON | SW24 |
| 1 | STEP3 | BF-4050-OMRON | SW25 |
| 1 | STEP4 | BF-4050-OMRON | SW26 |
| 1 | STEP5 | BF-4050-OMRON | SW27 |
| 1 | STEP6 | BF-4050-OMRON | SW28 |
| 1 | STEP7 | BF-4050-OMRON | SW29 |
| 1 | STEP8 | BF-4050-OMRON | SW30 |
| 1 | STEP9 | BF-4050-OMRON | SW31 |
| 1 | STEP10 | BF-4050-OMRON | SW32 |
| 1 | STEP11 | BF-4050-OMRON | SW33 |
| 1 | STEP12 | BF-4050-OMRON | SW34 |
| 1 | STEP13 | BF-4050-OMRON | SW35 |
| 1 | STEP14 | BF-4050-OMRON | SW36 |
| 1 | STEP15 | BF-4050-OMRON | SW37 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STEP16 | BF-4050-OMRON | SW38 |
| 1 | CONN_1 | TEST_POINT_SMALL | TP20 |
| 1 | STEP2 | 3MM-LED-C1A2 | D73 |
| 1 | STEP3 | 3MM-LED-C1A2 | D74 |
| 1 | STEP4 | 3MM-LED-C1A2 | D75 |
| 1 | STEP5 | 3MM-LED-C1A2 | D76 |
| 1 | STEP6 | 3MM-LED-C1A2 | D77 |
| 1 | STEP7 | 3MM-LED-C1A2 | D78 |
| 1 | STEP8 | 3MM-LED-C1A2 | D79 |
| 1 | STEP10 | 3MM-LED-C1A2 | D86 |
| 1 | STEP11 | 3MM-LED-C1A2 | D87 |
| 1 | STEP12 | 3MM-LED-C1A2 | D88 |
| 1 | STEP13 | 3MM-LED-C1A2 | D89 |
| 1 | STEP14 | 3MM-LED-C1A2 | D90 |
| 1 | STEP15 | 3MM-LED-C1A2 | D91 |
| 1 | STEP16 | 3MM-LED-C1A2 | D92 |
| 1 | STEP1 | 3MM-LED-C1A2 | D93 |
| 1 | STEP9 | 3MM-LED-C1A2 | D94 |
| 4 | 0.1µ | SM0603-C-JRL | C192, C193, C194, C195 |
| 17 | 10K | SM0603-R-JRL | R451, R452, R453, R454, R455, R456, R457, R458 +9 |
| 16 | 470 | SM0603-R-JRL | R468, R469, R470, R471, R472, R473, R474, R475 +8 |
