2 layers85.1 × 55.9 mm
2 layers140 × 65 mm
Lunchbeat PCB
buranelectrix/lunchbeat-PCB331 bit groovebox - printed circuit board version
- Size
- 140 × 65 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 72
- Nets
- 55
- Pads
- 218
- Tracks, vias
- 2,161, 6
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 28 Oct 2013
- Updated
- 14 Jan 2014
Overview
Lunchbeat PCB is an open-source printed circuit board by buranelectrix, from the buranelectrix/lunchbeat-PCB repository on GitHub. It is a 2-layer board of 140 × 65 mm with 72 parts on 55 nets, routed with 2,161 tracks and 6 vias.
It is built around the ATMEGA328-PU and LM358N. Its parts include 26 resistors, 10 diodes, 9 capacitors, 4 ICs and 2 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2
ATMEGA328-PU
PDIP-28-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH PDIP-28 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
LM358N
DIP-8-18V~18V 0℃~+70℃ 1.2MHz 10nA 2 30mA 3V~36V 50nA 7mV 800uA 80dB Built-in compensation DIP-8 Operational Amplifier ROHSHGSEMIOperational Amplifier
README
README.mdlunchbeat - 1bit groovebox - PCB version
by Jan Cumpelik (jan@buranelectrix.com)
Hi. Here it is, Lunchbeat made it from breadboard to printed circuit board :)
"lunchbeat-PCB-firmware" contains source C code for Atmega328p
"lunchbeat-PCB-hardware" contains resources for building Lunchbeat. Schematics, printed circuit board design. And whole Kicad project including library with used parts :) Kicad is nice free software, use it :)
Feel free to use these files (read license first).
If you use this to create something cool, please let me know! If you find any flaw, please let me know!
Thank you, Jan.
The firmware is released under a GPL3.0 license. The PCB layout and schematics are released under cc-by-sa 3.0 license.
more info: www.buranelectrix.com
Parts
72| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | LED | LED-3mm | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 |
| 10 | R | R-hor75m | R12, R18, R19, R20, R21, R22, R23, R24, R25, R26 |
| 8 | 100k | R-hor75m | R1, R2, R3, R4, R5, R6, R7, R8 |
| 6 | 10k | pot-ALPS | R9, R13, R14, R15, R16, R17 |
| 4 | 100n | Cap2.5mm | C5, C7, C8, C9 |
| 4 | 2.5mm | hole-oval-3.2mm | hole-3.2mm, hole-3.2mm, hole-3.2mm, hole-3.2mm |
| 4 | 3.5mm | hole-oval-3.2mm | hole-3.2mm, hole-3.2mm, hole-3.2mm, hole-3.2mm |
| 2 | 22p | Cap5mm | C1, C2 |
| 1 | 100R | R-hor75m | R11 |
| 1 | 10k | R-hor75m | R10 |
| 1 | 10u | CapEl2.5mm | C3 |
| 1 | 16MHZ | crystal_hc-49u | XTAL1 |
| 1 | 220u | CapEl2.5mm | C6 |
| 1 | 330n | Cap2.5mm | C4 |
| 1 | 74595 | DIP-16-300 | U3 |
| 1 | 7805 | to92 | U4 |
| 1 | ATMEGA328P | DIP-28-300 | U2 |
| 1 | AUDIO OUT | jack35-CLIFF | J1 |
| 1 | BASS | push-PCB6mm | BUTT6 |
| 1 | BATTERY | 9V-KEYS1294 | B1 |
| 1 | HIHAT | push-PCB6mm | BUTT1 |
| 1 | ISP6PIN | ISP6 | 6PIN1 |
| 1 | KICK | push-PCB6mm | BUTT2 |
| 1 | LM358N | DIP-8-300 | U1 |
| 1 | PLAY/STOP | push-PCB6mm | BUTT3 |
| 1 | RESET | push-PCB6mm | BUTT4 |
| 1 | SNARE | push-PCB6mm | BUTT5 |
| 1 | STEPEDIT | push-PCB6mm | BUTT7 |
| 1 | SW-PW | SWITCH-canSL19121 | SW1 |
| 1 | SYNC IN | jack35-CLIFF | J2 |
| 1 | Val** | lunchdeska1-l20 | Ref** |
| 1 | bla | buran-lunch-17x32-med | Ref** |
Questions
How big is the Lunchbeat PCB PCB?
It measures 140 × 65 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Lunchbeat PCB use?
72 parts, built around the ATMEGA328-PU and LM358N. 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 Lunchbeat PCB KiCad files?
From the buranelectrix/lunchbeat-PCB repository on GitHub, at the commit this page was made from: the board is lunchbeat-PCB-hardware/lunchbeat-PCB-kicadproject/lunchbeat-PCB.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Lunchbeat PCB design in my own project?
Its repository states no licence, so its author keeps all rights: ask buranelectrix before reusing the design.
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