Kivipallur PMW3360 breakout

danbowles·klorball35·kicad/Kivipallur_PMW3360_breakout/Kivipallur_PMW3360_breakout.kicad_pcb

Kivipallur PMW3360 breakout layout, top view — open source board by danbowles
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About the Kivipallur PMW3360 breakout

Kivipallur PMW3360 breakout is an open source PCB design by danbowles, published on GitHub. It is a 2-layer board measuring 22 × 25 mm, with 8 components from 8 distinct parts.

Other key parts include the LP2985-1.8. By type, the board carries 5 capacitors, 2 resistors and 1 IC.

It belongs with the keyboards and dev boards & breakouts designs in this gallery.

From the project

Klorball35 is a 35-key, column-staggered, low-profile split keyboard with an integrated optical trackball. It's derived from KLOR and Keyball, built with Kivipallur as a starting point in Ergogen, and designed around Kailh Choc V1 switches, an 0xCB Helios (RP2040) controller per

Klorball35 is a 35-key, column-staggered, low-profile split keyboard with an integrated optical trackball. It's derived from KLOR and Keyball, built with Kivipallur as a starting point in Ergogen, and designed around Kailh Choc V1 switches, an 0xCB Helios (RP2040) controller per half, and a PixArt PMW3360 sensor on the right hand.

Each half carries a 5-column × 3-row main matrix plus a 3-key (left) and 2-key (right)thumb cluster. The right hand gives up one key to make room for the trackball, so the two halves are 18 (left) + 17 (right) = 35 keys.

Kivipallur PMW3360 breakout, from the project README
From the project README

Main components on the Kivipallur PMW3360 breakout

Kivipallur PMW3360 breakout bill of materials (BOM)

8 components, 8 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LP2985-1.8
U1
1
2.2U
2.2u
C1
1
1u
C2
1
10N
10n
C3
1
100N
100n
C4
1
4.7U
4.7u
C5
1
39R
R1
1
10K
10k
R2

Kivipallur PMW3360 breakout design files

The KiCad project lives in the danbowles/klorball35 repository on GitHub; these links point at the commit this page was built from.

Kivipallur PMW3360 breakout: common questions

How big is the Kivipallur PMW3360 breakout?

The Kivipallur PMW3360 breakout measures 22 × 25 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Kivipallur PMW3360 breakout?

8 components, from 8 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Kivipallur PMW3360 breakout design files?

From the danbowles/klorball35 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Kivipallur PMW3360 breakout design in my own project?

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

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