2 layers150 × 100 mm
2 layers65 × 83 mm
LEDController
stefanhepp/eOrganElectronic organ console project.
- Size
- 65 × 83 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 38
- Pads
- 122
- Tracks, vias
- 160, 20
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 13 Oct 2013
- Updated
- 7 Nov 2024
Overview
LEDController is an open-source printed circuit board by stefanhepp, from the stefanhepp/eOrgan repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 65 × 83 mm with 16 parts on 38 nets, routed with 160 tracks and 20 vias.
It is built around the ATMEGA48-20PI and ULN2803A. Its parts include 7 connectors, 3 ICs and 2 capacitors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2
ATMEGA48-20PI
PDIP-28-40℃~+85℃ 10bit 2.7V~5.5V 20MHz 23 256Byte 4KB 512Byte 8 Bit AVR Built-in FLASH PDIP-28 Microcontrollers (MCU/MPU/SOC)Microchip TechnologyMicrocontrollers (MCU/MPU/SOC)
ULN2803A
SOP-18-300mil-40℃~+85℃ 0.93mA 100uA 15pF 20uA 30V 500mA 50V 8 SOP-18-300mil Darlington Transistor Arrays ROHSUMWDarlington Transistor Arrays
README
README.mdREADME
This project contains various parts of a midi-organ. The project consists of four main parts:
- The Pedalboard: a 29 note midi foot pedal, mostly ARGO compliant. This odd number of notes was choosen because of size restrictions (I wanted it to fit under my e-piano).
- The organ console: contains stops, a lcd display, and all connectors and hardware to wire it to a PC. Up to three midi keyboards can be used as input devices, as well as the midi pedalboard.
- The organ desk: a framework for all the parts, contains speakers and some additional foot-stops. This is also designed to hold the PC.
- The software: A controller software which allows access to some special features of the hardware and sets up the software synthesizer.
License
Shield: 
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_3mm | H1, H2, H3, H4 |
| 2 | ULN2803A | Package_DIP:DIP-18_W7.62mm | U1, U4 |
| 1 | 100nF | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C1 |
| 1 | 10uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C5 |
| 1 | ATmega48-20P | Package_DIP:DIP-28_W7.62mm_Socket | U2 |
| 1 | BoardCon | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J5 |
| 1 | BoardConOut | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J6 |
| 1 | Buttons | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J4 |
| 1 | ISP | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J1 |
| 1 | LED1 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | LED2 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | LED3 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J7 |
Questions
How big is the LEDController PCB?
It measures 65 × 83 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LEDController use?
16 parts, built around the ATMEGA48-20PI and ULN2803A. 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 LEDController KiCad files?
From the stefanhepp/eOrgan repository on GitHub, at the commit this page was made from: the board is boards/LEDController/LEDController.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the LEDController design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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