2 layers30 × 128.5 mm
Kwantizer
benjiaomodular/Kwantizer
[WIP] An Arduino-based CV quantizer for Eurorack modular synthesizers
32 parts7
2 layers81.9 × 44.5 mm
OPL3box
aleh/OPL3box8OPL3 + Arduino
- Size
- 81.9 × 44.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 45
- Nets
- 46
- Pads
- 185
- Tracks, vias
- 402, 22
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 11 Oct 2018
- Updated
- 20 Oct 2019
Overview
OPL3box is an open-source printed circuit board by aleh, from the aleh/OPL3box repository on GitHub. It is a 2-layer board of 81.9 × 44.5 mm with 45 parts on 46 nets, routed with 402 tracks and 22 vias.
It is built around the BAT41. Its parts include 17 capacitors, 10 resistors, 6 ICs, 3 connectors and 1 diode. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdOPL3box
This is about controlling an old OPL3 chip as a regular synth via MIDI. Work in progress.
You need to have a21 library installed in your Arduino environment. Sketch > Include Library > Manage Libraries
Schematics
See kicad folder for the most up-to-date version. Here is one as a PNG:
PCB
See kicad folder.
Parts
45| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100n | Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C1, C2, C6, C8, C13 |
| 3 | 10uF | Capacitors_THT:CP_Radial_D4.0mm_P2.00mm | C9, C16, C17 |
| 2 | 10 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R9, R10 |
| 2 | 10K | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R7, R8 |
| 2 | 20p | Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C4, C5 |
| 2 | 2700pF | Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C11, C12 |
| 2 | 47uF | Capacitors_THT:CP_Radial_D4.0mm_P2.00mm | C14, C15 |
| 1 | 100K | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R4 |
| 1 | 100K | Potentiometers:Potentiometer_Trimmer_Bourns_3266P | RV1 |
| 1 | 100p | Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C3 |
| 1 | 10u | Capacitors_THT:CP_Radial_D4.0mm_P2.00mm | C7 |
| 1 | 128x32_OLED | Aleh:OLED_128x32 | U3 |
| 1 | 14.31818 MHz | Crystals:Crystal_HC49-4H_Vertical | Y1 |
| 1 | 1K | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 1 | 1K | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R5 |
| 1 | 200 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | 2N3904 | TO_SOT_Packages_THT:TO-92_Molded_Narrow | Q1 |
| 1 | 33 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R6 |
| 1 | 5K1 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 1 | 6-12V DC | Connectors:BARREL_JACK | J2 |
| 1 | 68pF | Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C10 |
| 1 | 6N138 | Housings_DIP:DIP-8_W7.62mm | U2 |
| 1 | Arduino_Pro_Micro | Aleh:Adruino_Pro_Micro | U1 |
| 1 | BAT41 | Diodes_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | Encoder | Aleh:EC11_ENCODER | SW1 |
| 1 | Line Out | Aleh:JACK_TRS | J3 |
| 1 | MIDI-IN | Aleh:PROTO_MIDI | J1 |
| 1 | OPL3_YMF262_M | Housings_SOIC:SOIC-24W_7.5x15.4mm_Pitch1.27mm | U4 |
| 1 | TL074 | Housings_DIP:DIP-14_W7.62mm | U6 |
| 1 | YAC512 | Housings_SOIC:SOIC-16W_5.3x10.2mm_Pitch1.27mm | U5 |
The 41 most common of 45 parts.
Questions
How big is the OPL3box PCB?
It measures 81.9 × 44.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OPL3box use?
45 parts, built around the BAT41. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the OPL3box KiCad files?
From the aleh/OPL3box repository on GitHub, at the commit this page was made from: the board is kicad/OPL3box.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the OPL3box design in my own project?
Its repository states no licence, so its author keeps all rights: ask aleh before reusing the design.
Similar boards
- 2 layers155.1 × 156 mm
- 2 layers100 × 100 mm
Airlock Mainboard
openlab-aux/airlock
This repository contains various soft- and hardware sources for the OpenLab Augsburg Airlock.
79 parts4 - 2 layers54 × 31 mm
- 2 layers100 × 80 mm
- 2 layers256.3 × 109.5 mm
- 2 layers35.6 × 55.9 mm
SimpleDiodeSelector
hinds44/SimpleDiodeSelector
Simple PCB to allow user to select between pairs of clipping diodes
37 partsMIT - 4 layers100 × 53 mm
Pressure sensor interface
JackToaster/pressure-sensor-interface
8x pressure sensor and 8x solenoid valve USB interface
194 parts