[minima] Re: PTT Schematic
- From: Mark <mark.g0mgx@xxxxxxxxx>
- To: "minima@xxxxxxxxxxxxx" <minima@xxxxxxxxxxxxx>
- Date: Tue, 21 Jan 2014 11:50:07 +0000
Or you could just run the code an a cheap copy of Arduino mega - more IO
capacity than you are likely to ever need.
Complete board about GBP 12 on an auction site near you.
Mark
G0MGX
-----Original Message-----
From: "Eric Söderman" <eric@xxxxxxxxxxxxx>
Sent: 21/01/2014 11:29
To: "minima@xxxxxxxxxxxxx" <minima@xxxxxxxxxxxxx>
Subject: [minima] Re: PTT Schematic
On ebay you can buy i2c adapters for LCD for 3-4 dollars. Could save some pins,
but maybe introduce unwanted noise. I don´t know.
Eric SA5BKE
On Tue, Jan 21, 2014 at 12:20 PM, Steve VK2SJA <vk2sja@xxxxxxxxxxx> wrote:
I was thinking about this. The limited number of I/O lines on
micro-controllers in general. I was sure that I had seen a way to
multiplex switches onto the same data lines used for the LCD display data.
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