May 2025
Intermediate to advanced
128 pages
6h 13m
English
Content preview from Make: Volume 93
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counter to give you an erroneous output when
you first power it up. For similar reasons, a 1µF
capacitor is added to the phototransistor output.
Only one series resistor is used for the 10
LEDs, because only one of them will be powered
at a time.
You can add a beeper and arrange with your
friend that they should send you a single pulse
if they want to communicate. Then you can
send a single pulse in response, indicating that
you’re ready to receive. In the world of serial
communications, such preliminary signals are
known as “handshaking.”
The photograph in Figure
N
shows my
complete test setup using separate breadboards
for sending and receiving. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.