Programming, Electronics, Mathematics, and other Cool Stuff

Index

This website is added to almost every week, so check often for updates, or drop me an email at tech@profpetabyte.co.uk and I'll let you know when significant updates happen.

Enjoy.

Assembly Language
Learn how to really talk to your Microprocessor with my Assembly Code course.

Resistors
Resistors appear by the dozen in millions of everyday objects. Know more about them here.

Shift Registers
If you like building things with lots of flashy lights, Shift registers are your best friends.

Integrated Circuits
Integrated Circuits are what most people are referring to when they say "Microchips". Here are some common ones...

SSD1306 Displays
SSD1306 Displays are small cheap displays commonly used on Microcontrollers.

Float Valves
If you want to monitor depletion of a liquid from a container, e.g. water in a bucket, Float Valves are for you.

Infrared Control
An much overlooked solution to controlling small projects.

Keypads
Keypads are a simple to use, simple to incorporate solution for simple basic input.

Artificial Intelligence
There are many AIs available for public use, which can be helpful many ways. Here are a few of them.

Raspberry Pi Pico Power Pins
Raspberry Pi Pico's have lots of Power Pins, and each have specific purposes.

Raspberry Pi Pico GPIO Pins
Raspberry Pi Pico's have lots of GPIO, and many have specific purposes.

SQL Multiple Combination Aggregates
SQL is very good at counting records, and counting combinations is easy.

MQTT - Message Queuing Telemetry Transport
MQTT is used for lightweight, efficient messaging between devices in IoT systems, enabling real-time data exchange over unreliable networks.

General Q&A
This page is a collection of random questions (& answers) often asked by Pico users.

by Professor Petabyte