On Wed, 9 Sep 2020 12:01:57 -0700, Aioli  declaimed the
following:


>But now interested in Pi.
>So recommendations for advanced hardware appreciated.
>Not just the Pi, but other peripherals and hardware (cases etc).
>Will probably build many different kinds of projects.
>
 Problem is: any reply to your "advanced hardware" and "peripherals" is
dependent upon WHAT you are building.

 After all -- for someone wanting to replace a Windows desktop... An
R-Pi 4B 8GB, an HDMI monitor, USB keyboard & mouse (I'd recommend saving a
USB port by using something like a Logitech "Unifying" wireless keyboard
and mouse), and a USB(3) disk drive (on which one mounts /home, /tmp, /var
and a swap file -- all the stuff that gets lots of changes that would wear
out a uSD card) qualifies, with some box to put the drive and R-Pi into...

 For someone trying to build a programmable Christmas tree lighting set,
a couple of long strings of NeoPixel LEDs, a big power supply (the LEDs
want power), almost any R-Pi with WiFi, and a case to hold the R-Pi and
power supply -- and an ability to code a simple web server application for
controlling the LED sequencer program. Connect to R-Pi over WiFi to access
LED configuration using a browser in a phone or tablet.

 If you are doing projects that require measuring analog data (an
oscilloscope perhaps) you will need a dedicated multi-port ADC chip (the
R-Pi does not have on-board ADC -- unlike the Beaglebone Black). You may
also want multi-line PWM chips as the R-Pi is a bit limited in that aspect
too (software PWM is rate limited, and CPU heavy)


--
 Wulfraed                 Dennis Lee Bieber         AF6VN
 wlfraed@ix.netcom.com    http://wlfraed.microdiversity.freeddns.org/

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