How to Choose the Right Resistor Value for an LED
A simple method for calculating the correct current-limiting resistor for any LED.
Tutorial
How to Use a Multimeter Without Feeling Intimidated
A beginner-friendly walkthrough of the multimeter functions you’ll actually use.
Programming a Raspberry Pi Pico W With the Arduino IDE
Setting up the Arduino IDE for a Raspberry Pi Pico W, including the BOOTSEL-mode first upload most tutorials skip over.
How to Use a Breadboard: Rails, Rows, and Common Mistakes
How breadboards are wired internally, and the wiring mistakes that cause circuits to mysteriously stop working.
