[sdiy] 1-quadrant multiplier with 2164

Mike Bryant mbryant at futurehorizons.com
Sat Jan 22 11:18:41 CET 2022

Fair enough.  I can't even imagine how to design a PCB in Excel though.

From: David G Dixon [mailto:dixon at mail.ubc.ca]
Sent: 22 January 2022 03:05
To: 'Jared Anderson'; Mike Bryant
Subject: RE: [sdiy] 1-quadrant multiplier with 2164

Exactly.  So you know how long it now takes me to get a board?  About an hour.  Two hours later, it's stuffed and ready to use.

Also, if you have never laid out a circuit in Excel, don't knock it.  It has many subtle advantages.

From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Jared Anderson via Synth-diy
Sent: Friday, January 21, 2022 1:40 PM
To: Mike Bryant
Cc: synth-diy at synth-diy.org
Subject: Re: [sdiy] 1-quadrant multiplier with 2164
[CAUTION: Non-UBC Email]

get a fully loaded board back in 8 days

Wouldn't he have to lift himself by the seat of his pants straight off the synth-diy list?


On Fri, 21 Jan 2022 at 20:47, Mike Bryant <mbryant at futurehorizons.com<mailto:mbryant at futurehorizons.com>> wrote:

> KiCad takes about 3-6 hours to learn while doing your first project.

Or if you really want to reduce the total time from concept to selling, you can learn EasyEDA in about the same, maybe less, and that automatically transfers both the Gerbers, Pick&Place and BOM up to JLCPCB and you get a fully loaded board back in 8 days, cutting out all the hassle of preparing BOM and Pick&Place for places like Seeed which always seem to want odd data formats and argue about specs on even basic parts like resistors.

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