Project Arduino – Relays
How do they work? Instead of words, we can better watch the following video that explains it very well. ...
Project Arduino – Transistors
How do they work? Instead of words, we can better watch the following video that explains it very well. Some questions might still be vague. For example; How much do they amplify? If you are asking this, then the concept isn’t clear. The transistor itself is not amplifying. It...
Project Arduino – Coding
For programming Arduino microcontrollers, you can use the Arduino programming language, which is essentially a simplified version of C/C++. The Arduino IDE (Integrated Development Environment) provides a user-friendly interface to write and upload code to Arduino boards. The basic structure of an Arduino program includes setup() and loop() functions:...
Project Arduino – Duty Cycle
TL;DR based on the following pseudo code TURN LED ONdelay(2)TURN LED OFFdelay(6) So what is the Frequency?frequency = 1000ms / (2ms+6ms) hertz So what is the Duty Cycle?Duty Cycle = 2 / (2+6) (%) In this exampleFrequency = 125 hertz (125 changes per sec)Duty Cycle = 25% (so it...
Project Arduino – Serial Monitor
Intro Serial printing on Arduino is a powerful tool that enables the communication between an Arduino microcontroller and a computer over a serial link. This feature is often used for debugging and monitoring the behavior of an Arduino program. To utilize serial printing, the first step is to establish...
Project Arduino – Ohm’s law
Ohm’s law is a fundamental principle in electrical engineering that relates the voltage, current, and resistance of a circuit. It states that the current through a conductor is directly proportional to the voltage across it and inversely proportional to its resistance. The formula is V = IR, where V...
Project Arduino – Floating Digital Port
Defining a digital port as INPUT on an Arduino microcontroller can cause issues with static energy because when a digital port is set as an input, it becomes high impedance, meaning it does not have a strong connection to either ground or the voltage supply. This high-impedance state can...
Project Arduino – Components
Semi-Conductors A semiconductor is a material that can act like both a conductor and an insulator. This makes it useful for making electronic devices like transistors and computer chips. By adding tiny amounts of other materials to the semiconductor, we can control how it conducts electricity and use it...
Project Arduino – Boards
If you’re interested in electronics and programming, Arduino is a great platform to explore. I started my journey by getting an Arduino Uno board and some basic components, such as LEDs, resistors, and jumper wires. If you’re just starting out, I recommend getting an Arduino Uno as it is...
DIY – Stock trader
The COVID pandemic is still not over… and my social life is crumbling like a cookie soaked in hot tea. So what to do about it? Well… sitting in my coding dungeon and starting a new project called “Stonks”! “Stonks” will fetch the current stock value every x seconds for a...