Useq
About the Useq PCB
Useq is an open source PCB design by Emute-Lab-Instruments, published on GitHub. It is a 2-layer board measuring 40.6 × 108 mm, with 29 components from 9 distinct parts.
Other key parts include the 4504. By type, the board carries 16 resistors, 5 diodes, 5 capacitors, 2 transistors and 1 IC.
It belongs with the audio designs in this gallery.
From the project
Hardware & firmware of the uSEQ Live Coding CV & Gate Sequencer
Kyriakoudis, Dimitris, & Kiefer, Chris. (2023, April 19). uSEQ: A LISPy Modular Sequencer for Eurorack with a Livecodable Microcontroller. 7th International Conference on Live Coding (ICLC2023), Utrecht, The Netherlands. https://doi.org/10.5281/zenodo.7843874
uSEQ modules, two panel designs (PCB, Aluminium)
uSEQ modules set up within eurorack performance systems
Main components on the Useq
Useq bill of materials (BOM)
29 components, 9 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 4504 | SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 2 | MMBT3904-TP 2N3904 Micro Commercial Co | SOT-23-3 | Q1, Q2 |
| 5 | 1N5819 | D_SOD-323 | D1, D2, D3, D4, D5 |
| 1 | 10U 10u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1 |
| 1 | 100N 100n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2 |
| 2 | 10N 10n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C3, C4 |
| 1 | 10N (10n) | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C5 |
| 2 | 100K 100k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2 |
| 14 | 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3, R4, R5, R6, R7, R8, R9, R10 +6 |
Useq design files
The KiCad project lives in the Emute-Lab-Instruments/uSEQ repository on GitHub; these links point at the commit this page was built from.
Useq: common questions
How big is the Useq PCB?
The Useq measures 40.6 × 108 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Useq?
29 components, from 9 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Useq design files?
From the Emute-Lab-Instruments/uSEQ repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Useq design in my own project?
The repository has no license, so all rights stay with Emute-Lab-Instruments. Use it as a reference, and ask the author before reusing the design.
More boards in uSEQ
Similar boards
OtterCastAudioV2
Ottercast
50 × 49.3 mm216 parts4LMIT665
FunBox
GuitarML
59.7 × 67.5 mm63 parts2LMIT278
Eurorack pmod
apfaudio
35 × 110 mm116 parts4LCERN-OHL-S-2.0239
XassetteAsterisk
SdtElectronics
56 × 56 mm137 parts2LCERN-OHL-W-2.0229
AddOnC
freeDSP
380 × 45 mm97 parts2LCC-BY-SA-4.0222
AddOnA
178 × 39 mm55 parts2LCC-BY-SA-4.0222