Self-introduction

Hi, everyone!
I’m a student. I really like electronic products. It’s a honor to meet everyone in this forum. I want to learn more about electronic knowledge and make more friends here. I hope we can communicate each other in the future. Looking forward to our common progress!
:slight_smile:

Welcome. Have fun.

…R

Hold on there, you have some homework to do ;) .

Arduino links of interest.

How to use this forum: https://forum.arduino.cc/index.php?topic=149014.0

Listing of downloadable 'Arduino PDFs' : Either Google >>>- - - - > arduino filetype: pdf Or https://www.google.ca/search?q=arduino+filetype%3A+pdf&rlz=1C9BKJA_enCA739CA739&oq=arduino+filetype%3A+pdf&aqs=chrome..69i57j69i65.1385j0j7&hl=en-US&sourceid=chrome-mobile&ie=UTF-8

Listing of downloadable 'C++ PDFs' : Either Google >>>- - - - > C++ filetype: pdf Or https://www.google.ca/search?q=c%2B%2B+filetype%3A+pdf&rlz=1C9BKJA_enCA739CA739&oq=c%2B%2B+filetype%3A+pdf&aqs=chrome..69i57.22790j0j7&hl=en-US&sourceid=chrome-mobile&ie=UTF-8

Arduino cheat sheet: https://dlnmh9ip6v2uc.cloudfront.net/learn/materials/8/Arduino_Cheat_Sheet.pdf

Watch these: Arduino programming syntax: https://m.youtube.com/watch?v=CbJHL_P5RJ8

Arduino arithmetic operators: https://m.youtube.com/watch?v=UUx0_s-ElSs

Arduino control flow: https://m.youtube.com/watch?v=QpPGGuaGbCA

Arduino data types: https://m.youtube.com/watch?v=xmZXWMEltEc

Why MOSFET gate resistors: https://youtu.be/o0OHGWCZ7B0

Some things to read

Reading a schematic: https://learn.sparkfun.com/tutorials/how-to-read-a-schematic

Language Reference: https://www.arduino.cc/en/Reference/HomePage

Foundations: https://www.arduino.cc/en/Tutorial/Foundations

How and Why to avoid delay(): http://playground.arduino.cc/Code/AvoidDelay

Demonstration code for several things at the same time. http://forum.arduino.cc/index.php?topic=223286.0

Multitasking: Part 1: https://learn.adafruit.com/multi-tasking-the-arduino-part-1?view=all

Part 2: https://learn.adafruit.com/multi-tasking-the-arduino-part-2?view=all

Part 3: https://learn.adafruit.com/multi-tasking-the-arduino-part-3?view=all

Micro Controllers: https://learn.adafruit.com/mcus-how-do-they-work?view=all

Useful links: https://forum.arduino.cc/index.php?topic=384198.0

Arduino programming traps, tips and style guide: http://www.gammon.com.au/forum/?id=12153

Call for useful programming discussions https://forum.arduino.cc/index.php?topic=383980.0

Jeremy Blume: https://m.youtube.com/playlist?list=PLA567CE235D39FA84

Arduino products: https://www.arduino.cc/en/Main/Products

Motors/MOSFETs http://www.gammon.com.au/motors

Switches: http://www.gammon.com.au/forum/?id=11955

https://www.amazon.ca/Arduino-Cookbook-Recipes-Enhance-Projects/dp/1449313876/ref=sr_1_1?ie=UTF8&qid=1522801721&sr=8-1&keywords=arduino+cookbook

Share tips you have come across, 500+ posts: https://forum.arduino.cc/index.php?topic=445951.0

Images from above: https://www.google.com/search?q=%E2%80%9CShare+tips+you+have%E2%80%9D+larryD+site:https://forum.arduino.cc&prmd=nmvi&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiJw-zu68ncAhXPGTQIHWCDCNwQ_AUIFCgE&biw=1024&bih=653

Debug discussion: https://forum.arduino.cc/index.php?topic=215334.msg1575801#msg1575801

Number 'type's. - boolean (8 bit) - simple logical true/false, Arduino does not use single bits for bool - byte (8 bit) - unsigned number from 0-255 - char (8 bit) - signed number from -128 to 127. The compiler will attempt to interpret this data type as a character in some circumstances, which may yield unexpected results - unsigned char (8 bit) - same as 'byte'; if this is what you're after, you should use 'byte' instead, for reasons of clarity - word (16 bit) - unsigned number from 0-65535 - unsigned int (16 bit)- the same as 'word'. Use 'word' instead for clarity and brevity int (16 bit) - signed number from -32768 to 32767. This is most commonly what you see used for general purpose variables in Arduino example code provided with the IDE - unsigned long (32 bit) - unsigned number from 0-4,294,967,295. The most common usage of this is to store the result of the millis() function, which returns the number of milliseconds the current code has been running - long (32 bit) - signed number from -2,147,483,648 to 2,147,483,647 float (32 bit) - signed number from -3.4028235E38 to 3.4028235E38. Floating point on the Arduino is not native; the compiler has to jump through hoops to make it work. If you can avoid it, you should. We'll touch on this later.

You select the 'type' best suited for your variables.

ex: - your variable does not change and it defines a pin on the Arduino. const byte limitSwitchPin = 34; - since an analog variable can be 0 to 1023, a byte will not do, you can select 'int'. int temperature; - if your variable needs to be within -64 to +64 a 'char' will do nicely. char joystick; - if your variable is used for ASCII then you need type 'char', char myText[] = {"Raspberry Pie Smells"}; - if your variable enables some code then boolean can be used. boolean enableFlag = false; - millis() returns the time in ms since rebooting, unsigned long currentTime = millis(); etc.

Oh, have fun too! .

larryd: Hold on there, you have some homework to do ;) .

All that? On her/his first day at school?

...R

Have to hit the ground running.

I just added have fun too :)

Robin2: Welcome. Have fun.

...R

thank you very much,haha

Robin2: All that? On her/his first day at school?

...R

Haha, i'm very happy to get such a big present

I hope you have fun!

Welcome. Have fun.

...R

Hallo. Mein Name ist Philip, ich komme aus Leipzig und neu hier, jetzt habe ich Freizeit, die ich gerne verbringen würde, um etwas Neues zu lernen

@whaidegind, there is a German language section of the Forum.

...R