When to use const int, int, or #define - Arduino Forum
Jul 30, 2020 · What is the main difference between these when naming a variable? Is what I am about to say correct? 'const int' will mainly be used when needing to declare a specific …
What should i choose? - General Guidance - Arduino Forum
Mar 20, 2025 · I now have a choice between two boards, what should I choose? Arduino Uno R4 Minima Original or Arduino Uno R3 Original? I am new to arduino, visually I like arduino r3, but …
const int / int - Programming - Arduino Forum
Jul 22, 2012 · What's difference does it make defining a pin using "int" or "const int"?
Manufacturing price of a Arduino?
May 22, 2015 · Hi Arduino Community! I was wondering how much one Arduino would cost if you mass produce it in a factory? This goes for any Arduino clone, I think the price per unit will be …
Low cost GSM modules - General Guidance - Arduino Forum
Feb 19, 2021 · Hi All, I have a project which uses a SIM800L for sending SMS and making the odd call. With 2g being phased out I am looking for a 3g/ 4g module to replace it. There seems …
Manufacturing Path/Estimating Production Costs for Arduino …
Sep 8, 2012 · I'd like to ask the community's help in thinking through the production path for an Arduino-based project. Thank you for your time, which I hope will be useful to the whole …
Why is the Arduino Mega so expensive?
Dec 21, 2009 · Why is the Arduino Mega so expensive? There is the upgraded MCU itself, some extra headers and a larger PC board. I can't see anything else that is different between the …
Low cost temp sensor - Sensors - Arduino Forum
Jun 29, 2017 · First off I'm new here and new to Arduino and I have a lot to learn! OK, I have a project idea that will require 6-8 temp sensors with most of the temps being in the range of 0C …
cost of arduino - General Discussion - Arduino Forum
Dec 9, 2012 · Note, unless you are already working with a different microprocessor or board level electronics, the cost of an Arduino itself is only part of the cost. To get started, you should …
Help creating a low cost DIY EEG - Arduino Forum
May 10, 2022 · Hello all, I bought the Arduino UNO to try and make an EEG because everything on the market is extremely expensive or if cheap ($300) aren't able to download raw data …