OTTO-Beta-Aux
About the OTTO-Beta-Aux PCB
OTTO-Beta-Aux is an open source PCB design by bitfieldaudio, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 288.5 × 80.1 mm, with 173 components from 16 distinct parts.
Other key parts include the SN74LV1T34DBVR. By type, the board carries 56 capacitors, 54 LEDs, 38 switches, 9 resistors, 2 connectors and 1 IC.
From the project
OTTO hardware files for upcoming beta. WORK IN PROGRESS
Main components on the OTTO-Beta-Aux
OTTO-Beta-Aux bill of materials (BOM)
173 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN74LV1T34DBVR SN74LV1T34_SOT-23_A | SOT-23-5_HandSoldering | U1 |
| 1 | AO3400A | SOT-23 | Q1 |
| 1 | X10B25L20T Conn_01x20 | X10B25L20T_FPC_1x20-1MP_P1.00mm_Horizontal | J1 |
| 1 | Conn_02x25_Counter_Clockwise | F0501-B-50-20T-R | J1_KD028QVFMA17 |
| 4 | ALPS EC11 HOLE | ALPS_EC11_aux_hole | ENC1, ENC2, ENC3, ENC4 |
| 3 | N/A Tooling Hole | JLC_TOOLING_HOLE | H101, H102, H103 |
| 5 | N/A MountingHole | Mounting_Hole_M2.5_Loose_Fit | H201, H202, H203, H204, H205 |
| 10 | ALPS SKHC Hole | ALPS_SKHC_aux_hole | SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24 +2 |
| 28 | 6x6x13mm Hole | 6x6mm_Switch_aux_hole | SW27, SW28, SW29, SW30, SW31, SW32, SW33, SW34 +20 |
| 54 | WS2812C | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +46 |
| 55 | CC0805KRX7R9BB104 100nF | C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C7, C8 +47 |
| 1 | CC0805KRX7R9BB104 100nF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C48 |
| 1 | 0805W8F4702T5E 47k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 6 | 0805W8F900JT5E 90 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2, R5, R6, R7, R8, R9 |
| 1 | 0805W8F1003T5E 100k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R11 |
| 1 | 0805W8F1000T5E 100 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R208 |
OTTO-Beta-Aux design files
The KiCad project lives in the bitfieldaudio/otto-hardware repository on GitHub; these links point at the commit this page was built from.
OTTO-Beta-Aux: common questions
How big is the OTTO-Beta-Aux PCB?
The OTTO-Beta-Aux measures 288.5 × 80.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the OTTO-Beta-Aux?
173 components, from 16 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 OTTO-Beta-Aux design files?
From the bitfieldaudio/otto-hardware 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 OTTO-Beta-Aux design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.
