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by jesperscott
Sat Sep 09, 2017 11:31 am
Forum: Automation, sensing and robotics
Topic: GPIO output wire length limits?
Replies: 18
Views: 4031

Re: GPIO output wire length limits?

Just as a matter of interest, your calculation in your first post might be wrong. 180 ft (90 ft there and back) of 24AWG wire will have resistance of 4.6 ohms, and with 16mA flowing there'll be a drop of 74mV (not 7mV)The calculation was from an online calculator . http://www.calculatorology.com/vol...
by jesperscott
Mon Apr 24, 2017 9:52 am
Forum: Teaching and learning resources
Topic: C++ Tutorial
Replies: 5
Views: 4499

Re: C++ Tutorial

by jesperscott
Wed Jan 18, 2017 2:04 pm
Forum: Teaching and learning resources
Topic: C++ Tutorial
Replies: 5
Views: 4499

C++ Tutorial

Hello,

I know c++ has object-oriented and generic programming features, can anyone recommend me best resources to learn c++ language ?

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