Sequencer
About the Sequencer PCB
Sequencer is an open source PCB design by sphawes, published on GitHub. It is a 2-layer board measuring 70.8 × 108.5 mm, with 38 components from 19 distinct parts.
Other key parts include the NE556 and 4017. By type, the board carries 10 diodes, 8 resistors, 7 connectors, 5 capacitors and 2 ICs.
Main components on the Sequencer
Sequencer bill of materials (BOM)
38 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NE556 | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | 4017 | SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | OUT | molex_stereo_3.5mm_jack | J1 |
| 1 | CV | molex_stereo_3.5mm_jack | J2 |
| 1 | Conn_02x08_Odd_Even | PinSocket_2x08_P2.54mm_Vertical | J3 |
| 4 | 50K | slidePot | P1, P2, P3, P4 |
| 4 | SW_SPDT | PVA1_EE_H2_1.2NV2 | B1, B2, B3, B4 |
| 1 | 50K | Potentiometer_Bourns_PTV09A-1_Single_Vertical | RV1 |
| 1 | 1K | Potentiometer_Bourns_PTV09A-1_Single_Vertical | RV2 |
| 6 | D_ALT | D_SOD-523 | D1, D2, D3, D4, D5, D6 |
| 4 | LED | LED_D5.0mm | D7, D8, D9, D10 |
| 1 | C_Small | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1 |
| 1 | 10uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2 |
| 2 | 10nF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3, C5 |
| 1 | 220uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C4 |
| 1 | 680R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 1 | 220R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2 |
| 1 | 5K6 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3 |
| 5 | 1K | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R8, R9, R10, R11, R12 |
Sequencer design files
The KiCad project lives in the sphawes/diySynth repository on GitHub; these links point at the commit this page was built from.
Sequencer: common questions
How big is the Sequencer PCB?
The Sequencer measures 70.8 × 108.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Sequencer?
38 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sequencer design files?
From the sphawes/diySynth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Sequencer design in my own project?
The repository has no license, so all rights stay with sphawes. Use it as a reference, and ask the author before reusing the design.
