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Pls00

gzweigle·open-hybrid-piano·hardware/releases/pls00/pls00_kicad_v1/pls00.kicad_pcb

Pls00 PCB layout, top view — open source board by gzweigle
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About the Pls00 PCB

Pls00 is an open source PCB design by gzweigle, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 34.3 × 6.4 mm, with 5 components from 3 distinct parts.

By type, the board carries 3 resistors and 2 connectors.

It belongs with the audio designs in this gallery.

From the project

Building a hybrid MIDI digital piano

Pedal output voltage must be in range 0V to the ADC Vref volts.

The PLS board adds one pulldown resistor to each pedal T output. There are three pedals, so that means there are 3 T outputs and 3 resistors on the PLS circuit board: R1, R2, and R3.

Select resistance such that output voltage does not exceed ADC Vref. See recommendations below.

This sets maximum pedal output at 2.0 volts. The ADC Vref for this piano is 2.5 volts.

Pls00 bill of materials (BOM)

5 components, 3 distinct parts.

QtyPartRefs
1
Conn_01x07_Socket
J1
1
Conn_01x07_Pin
J2
3
R
R1, R2, R3

Pls00 design files

The KiCad project lives in the gzweigle/open-hybrid-piano repository on GitHub; these links point at the commit this page was built from.

Pls00: common questions

How big is the Pls00 PCB?

The Pls00 measures 34.3 × 6.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Pls00?

5 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the Pls00 design files?

From the gzweigle/open-hybrid-piano repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Pls00 design in my own project?

Yes, under the terms of its GPL-3.0 license, which gzweigle chose for the repository.

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