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1 Buttons

jsjolund·dmx512-controller-board·PCB_Designs/Buttons_PCB/_1_Buttons_PCB.kicad_pcb

1 Buttons PCB layout, top view — open source board by jsjolund
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About the 1 Buttons PCB

1 Buttons is an open source PCB design by jsjolund, published on GitHub. It is a 2-layer board measuring 49.5 × 158.8 mm, with 68 components from 8 distinct parts.

Other key parts include the CHERRY-MX and MCP23017. By type, the board carries 24 resistors, 17 capacitors, 14 ICs, 12 diodes and 1 connector.

From the project

Controller board for DMX512 compatible devices, built around the STM32F4 processor

Main components on the 1 Buttons

CHERRY-MXMCP23017

1 Buttons bill of materials (BOM)

68 components, 8 distinct parts.

QtyPartRefs
12
CHERRY-MX
U1, U2, U3, U4, U5, U6, U7, U8 +4
2
MCP23017
U13, U14
1
CONN_01X06
P1
12
LED_Small_ALT
D1, D2, D3, D4, D5, D6, D7, D8 +4
16
100n
C1, C2, C3, C4, C5, C6, C7, C8 +8
1
4.7u
C15
12
10k
R1, R2, R3, R4, R5, R6, R7, R8 +4
12
100
R13, R14, R15, R16, R17, R18, R19, R20 +4

1 Buttons design files

The KiCad project lives in the jsjolund/dmx512-controller-board repository on GitHub; these links point at the commit this page was built from.

1 Buttons: common questions

How big is the 1 Buttons PCB?

The 1 Buttons measures 49.5 × 158.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 1 Buttons?

68 components, from 8 distinct parts. The full bill of materials is listed on this page.

Where can I download the 1 Buttons design files?

From the jsjolund/dmx512-controller-board repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the 1 Buttons design in my own project?

The repository has no license, so all rights stay with jsjolund. Use it as a reference, and ask the author before reusing the design.

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