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price optimizations #9

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pointhi opened this issue Dec 20, 2016 · 1 comment
Open

price optimizations #9

pointhi opened this issue Dec 20, 2016 · 1 comment
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enhancement help wanted question

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@pointhi
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pointhi commented Dec 20, 2016

The current component price range is about 50-60€ per board (when buying for 10 pbc's). Not problematic for the prototype board, but we should optimize it.

This is a list of the most expensive parts of the board (based on the discounts you get when you buy for about 10 boards):

Component price per board description
AS5047D 8,19€ encoder
IPD079N06L3 5,90€ motor driver mosfets
ATSAMD21G18A 4,78€ controller
A4955GLPTR 2,84€ motor controller
RB162MM-60CT 2,11€ schottky diodes
744773122 1,96€ inductor for step down
10UF POLY ELCO 1,83€ elco for step down (very low esr)
TERM BLOCK 4POS 1,67€ step down connector
MCP16331T 1,26€ step down regulator

those few (main) components sum up to about 30,54€ per board.
@VojislavM VojislavM mentioned this issue Dec 30, 2016
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@gamerpaddy
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Can this software run on 328p, stm32f103, or other lower cost, more available processors?

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@pointhi @gamerpaddy