2040-centered-4x
About the 2040-centered-4x PCB
2040-centered-4x is an open source PCB design by jkominek, published on GitHub under the Custom license license. It is a 2-layer board measuring 45.5 × 48 mm, with 5 components from 2 distinct parts.
Other key parts include the CNY70. By type, the board carries 4 ICs and 1 connector.
It belongs with the audio and sensors designs in this gallery.
From the project
Hardware, and some firmware, for acoustic piano to MIDI controller conversion.
simple-1x A single sensor board that tries to be generically useful 2040-centered-1x A single sensor board that centers the sensor across the 40mm wide portion of a 20x40mm tslot aluminum extrusion. 2040-centered-2x Same thing, but two sensors on one board. 2040-centered-4x Same thing, but four sensors on one board. 2040-centered-4x-12deg Same thing, but four sensors on one board and they're rotated 12 degrees, for bass hammers. 2020-offset-1x A single sensor board that places the sensor to one side of a 20x20mm extrusion, and the connector on the other side. 2020-offset-2x Same thing, but…
Main components on the 2040-centered-4x
2040-centered-4x bill of materials (BOM)
5 components, 2 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | CNY70 | Vishay_CNY70 | U1, U2, U3, U4 |
| 1 | Conn_01x10_Male | Pin_Header_Angled_1x10_Pitch2.54mm | J1 |
2040-centered-4x design files
The KiCad project lives in the jkominek/piano-conversion repository on GitHub; these links point at the commit this page was built from.
2040-centered-4x: common questions
How big is the 2040-centered-4x PCB?
The 2040-centered-4x measures 45.5 × 48 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 2040-centered-4x?
5 components, from 2 distinct parts. The full bill of materials is listed on this page.
Where can I download the 2040-centered-4x design files?
From the jkominek/piano-conversion repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 2040-centered-4x design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
More boards in piano-conversion
STM32Main board
100 × 100 mm148 parts4LCustom license53
STM32ADC Board
92.7 × 83.8 mm100 parts4LCustom license53
STM32Led power
86.4 × 86.4 mm84 parts4LCustom license53
STM32Pedal board
108 × 56 mm43 parts2LCustom license53
Link adapter
77.5 × 40.6 mm38 parts2LCustom license53
Sensorboard tester
83.8 × 83.8 mm33 parts2LCustom license53
STM32Midi board
88 × 45.8 mm31 parts2LCustom license53
Led test bar
174 × 16.5 mm31 parts2LCustom license53
Usb led power
80 × 40 mm15 parts2LCustom license53
2040-centered-4x-12deg
47 × 48 mm5 parts2LCustom license53
2020-offset-4x
45.5 × 45.3 mm5 parts2LCustom license53
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