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Kicad selka mk2

Jan-Aarela·Salama-64·kicad_selka_rev2/kicad_selka_mk2.kicad_pcb

Kicad selka mk2 PCB layout, top view — open source AVR/Arduino board by Jan-Aarela

About the Kicad selka mk2 PCB

Kicad selka mk2 is an open source AVR/Arduino PCB design by Jan-Aarela, published on GitHub. It is a 2-layer board measuring 64.8 × 101.7 mm, with 102 components from 6 distinct parts.

Its main chip is the ATtiny861A-S, from the AVR/Arduino family. By type, the board carries 64 diodes, 27 connectors, 9 resistors, 1 IC and 1 capacitor.

From the project

aka SelkäSalama-64 / Suur-Possu / Mega-Possu

Kaytin protoversiota yövalona kotona :D ja iski idea. Mitä jos, tästä tekisi selkäsalaman. Niinkuin ysärillä... KiCadi tulille vaan ja lopputulos alla:

Ledit on jaettu puolin kahteen eri charlieplexiin. (7^2-7 (-10) viritelmällä). Miksei kaikkia ledejä yhteen pleksiin? No siksi koska jos yhteen pleksiin laittaa kaikki ledit niin duty cycle olisi ~1.5%, joka on aika pieni. Kahdella pleksillä sen saa ~3%, jolloin ledit ovat kirkkaampia.

Kicad selka mk2, from the project README
From the project README

Main components on the Kicad selka mk2

ATtiny861A-S

Kicad selka mk2 bill of materials (BOM)

102 components, 6 distinct parts.

QtyPartRefs
1
ATtiny861A-S
U1
26
Conn_01x01_Pin
J1, J2, J3, J4, J5, J6, J7, J8 +18
1
Conn_01x02_Pin
J27
64
LED
D1, D2, D3, D4, D5, D6, D7, D8 +56
1
10 u
C1
9
110
R1, R2, R3, R4, R5, R6, R7, R8 +1

Kicad selka mk2 design files

The KiCad project lives in the Jan-Aarela/Salama-64 repository on GitHub; these links point at the commit this page was built from.

Kicad selka mk2: common questions

What microcontroller does the Kicad selka mk2 use?

The Kicad selka mk2 is built around the ATtiny861A-S, from the AVR/Arduino family.

How big is the Kicad selka mk2 PCB?

The Kicad selka mk2 measures 64.8 × 101.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Kicad selka mk2?

102 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the Kicad selka mk2 design files?

From the Jan-Aarela/Salama-64 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Kicad selka mk2 design in my own project?

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

Can I test firmware for the Kicad selka mk2 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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