What is Arduino

1/29/2019

Brittany KF8IJZ received an Arduino kit with many sensors and addons for Christmas and is starting to get familiar with the microcontroller and its capabilities. Mark KR6ZY joins us to answer the fundamental question of “What is Arduino?” We talk through some fundamentals and some practical examples of projects one can complete with an Arduino compatible microcontroller.

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Smitty’s Headphone Amp - http://diyaudioprojects.com/Solid/12AU7-IRF510-LM317-Headamp/

Active Antenna Loop Antenna - https://active-antenna.eu/

Using Filters to smooth Pulse Width Modulation Output - https://hackaday.com/2011/06/16/beginner-concepts-using-a-low-pass-filter-to-smooth-pwm-output/

Arduino analogWrite - https://www.arduino.cc/reference/en/language/functions/analog-io/analogwrite/

Arduino Wire - https://www.arduino.cc/en/reference/wire

What is Arduino - https://www.arduino.cc/en/guide/introduction

Arduino IDE - https://www.arduino.cc/en/Main/Software

Microsoft Visual Code Arduino - https://medium.com/home-wireless/use-visual-studio-code-for-arduino-2d0cf4c1760b

Arduino Software Tools - https://playground.arduino.cc/Main/DevelopmentTools

Arduino Official Language Reference - https://www.arduino.cc/reference/en/

Core Arduino Libraries - https://www.arduino.cc/en/Reference/Libraries

Arduino Libraries - https://playground.arduino.cc/Main/LibraryList

K3NG Arduino Based CW Keyer - https://blog.radioartisan.com/arduino-cw-keyer/

Debouncing a Button in Software - https://www.youtube.com/watch?v=jYOYgU2vlSE

KR6ZY’s 4 part series on TWiT’s Coding 101 on building an Analog Panel Meter clock
https://www.youtube.com/watch?v=ZwoGkRf5WnM
https://www.youtube.com/watch?v=FSd-jip59PI
https://www.youtube.com/watch?v=IWnmMRls1os
https://www.youtube.com/watch?v=R-WKsIuVrIw

Arduino Controlled Fox Hunt Transmitter - http://www.wt4y.com/arduino-fox-controller

Arduino MIDI Controller Tutorial - https://www.arduino.cc/en/tutorial/midi

2 Comments

John

2/20/2019 14:10:38

What arduino kit was purchased?

Ron Jones

6/5/2019 14:46:14

PLEASE: This is NOT a flame. I want your podcast to be good, and basically they are. But, i have some criticisms.
I have written a lot of Arduino code, but after listening to this podcast trying to explain the very basics of what a microprocessor is, I am now so confused that I think I will have to start over. Your explanations went from basic to almost advanced with nothing in between. You kept getting off on tangents that do nothing for a beginner except add layers of unnecessary complexity. I think if I had just gotten an arduino starter kit and listened to your podcast I would have returned the kit and taken up a totally different hobby.

It is like someone wanted what a car is and why they would want one. In explaining this simple question, you got into compression ratios, proper lubricant for the differential, tire diameter and tread patterns, but never told them that you get in a car and it can take you and your friends to the store, and to get to and from the store there are some very basic skills you need, but for now you don't need to worry about high speed drifting in a race at Baja. But that is what you guys did, you never said what a arduino is and why I wold want one.

I have listened to a few of your podcasts now and you get a lot of little details wrong on a lot of technical things. You are close, but often wrong.For instance in this podcast you explained the analog output as pulse width modulation. True enough, but that only adds confusion to someone who needs to know that you write a set of instructions in a program that is on your computer and a magic program translates those english words into something that the arduino understands and it sends it to the arduino on a cable you plug into the USB port. PWM is way beyond the basics. You got into different processors and compilers and never said that an arduino uno is a little circuit board with a lot of pins that you can connect to things like buttons, LED's and relays. You don't have to build much hardware.

Also, you were wrong about adjusting the brightness of an LED. An LED turns on almost instantly. I have modulated an LED at hundreds of MHz., They turn on totally really really really fast. What integrates their brightness with PWM is the persistence of our eyes. No matter how short a time the LED is on with PWM, it is at full brightness. This is picky, but my point is twofold: first of all that has nothing to do with learning the basics of just what an arduino is why the heck you would want one, and secondly, you were technically incorrect, but close.
And your explanations, even when they are technically correct, are very confusing.
But, not everyone has the gift of explaining like Dave Jones does.
Please, this is not a flame, your podcast is massively better than most ham radio specialized podcasts, (QSO today and solder smoke are excellent, and a good example of totally professionally sounding amateur productions). I do wish you well. 73 Ron K7RJ

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