2 layers150 × 100 mm
2 layers110 × 53 mm
TechnicsEncoder
stefanhepp/eOrganElectronic organ console project.
- Size
- 110 × 53 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 63
- Pads
- 163
- Tracks, vias
- 287, 32
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 13 Oct 2013
- Updated
- 7 Nov 2024
Overview
TechnicsEncoder 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 110 × 53 mm with 32 parts on 63 nets, routed with 287 tracks and 32 vias.
It is built around the ATMEGA48-20PI and L7805. Its parts include 8 connectors, 6 capacitors, 5 resistors, 4 ICs and 1 diode. 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)
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
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
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_3mm | H1, H2, H3, H4 |
| 3 | 100nF | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C2, C7 |
| 3 | 220 | Resistor_THT:R_Array_SIP8 | RN1, RN2, RN3 |
| 2 | 220 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R4, R6 |
| 2 | 220 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R7 |
| 1 | 10uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C6 |
| 1 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | 2k2 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R1 |
| 1 | 330nF | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C3 |
| 1 | 33uF | Capacitor_THT:CP_Radial_D7.5mm_P2.50mm | C5 |
| 1 | 6N137 | Package_DIP:DIP-8_W7.62mm | U2 |
| 1 | 74LS07 | Package_DIP:DIP-14_W7.62mm | U5 |
| 1 | ATmega48-20P | Package_DIP:DIP-28_W7.62mm_Socket | U1 |
| 1 | Bender | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | BoardCon | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J7 |
| 1 | Heatsink_Pad | Custom_Heatsinks:Heatsink_Aavid_TO-220_H12.7mm | HS1 |
| 1 | ISP | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J1 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Vertical | U4 |
| 1 | MIDI In | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | MIDI Out | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | PistonEncoder | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J8 |
| 1 | SelectRX | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | Technics | Connector_JST:JST_PH_B15B-PH-K_1x15_P2.00mm_Vertical | J3 |
Questions
How big is the TechnicsEncoder PCB?
It measures 110 × 53 mm and has 2 copper layers, 1.6 mm thick.
What parts does the TechnicsEncoder use?
32 parts, built around the ATMEGA48-20PI and L7805. 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 TechnicsEncoder KiCad files?
From the stefanhepp/eOrgan repository on GitHub, at the commit this page was made from: the board is boards/TechnicsEncoder/TechnicsEncoder.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the TechnicsEncoder 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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