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MA735 encoder board

techy-robot·Mighty-Micro-Motors·Kicad/MA735 encoder board/MA735 encoder board.kicad_pcb

MA735 encoder board layout, top view — open source board by techy-robot
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About the MA735 encoder board

MA735 encoder board is an open source PCB design by techy-robot, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 5.7 × 80.4 mm, with 3 components from 3 distinct parts.

Other key parts include the MA735GGU-Z. By type, the board carries 2 capacitors and 1 IC.

It belongs with the robotics & motion designs in this gallery.

From the project

Tiny drone motors with a high reduction gearbox, a precise mangetic encoder, and a FOC controller

I'm currently thinking about having a cycloidal or split-ring planetary gearbox, due to the compact size and high reduction ratios

Preliminary CAD designs are on onshape, you can watch my progress here: Mighty Micro Motors - Onshape. Step files and STL files will also be uploaded to this repo.

Currently the design is twice as big as my ideal, with a 19mm diameter. I can not reduce the diameter without removing the bearings, possible reducing the lifespan. This really needs to be smaller, so I may do some testing and just remove some bearings. I'm not actually sure how well the 1x3x1mm…

MA735 encoder board, from the project README
From the project README

Main components on the MA735 encoder board

MA735GGU-Z

MA735 encoder board bill of materials (BOM)

3 components, 3 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MA735GGU-Z
U1
1
1uF
C1
1
0.1uF
C2

MA735 encoder board design files

The KiCad project lives in the techy-robot/Mighty-Micro-Motors repository on GitHub; these links point at the commit this page was built from.

MA735 encoder board: common questions

How big is the MA735 encoder board?

The MA735 encoder board measures 5.7 × 80.4 mm, has 2 copper layers and is 0.101 mm thick.

How many components are on the MA735 encoder board?

3 components, from 3 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 MA735 encoder board design files?

From the techy-robot/Mighty-Micro-Motors 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 MA735 encoder board design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which techy-robot chose for the repository.

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