This article explains what breakout boards are, how they make small ICs and sensors easier to use, what to check before buying one, and when to choose a breakout board instead of a shield.

This article explains what the CH340 USB-to-serial chip is and provides step-by-step instructions for installing drivers on Windows, macOS, and Linux, including how to verify that the driver is installed correctly.

This article explains what a MOSFET is, how it works, the main types, typical applications, and how to choose the right MOSFET for microcontroller and power projects.

This article explains what LEDs are and how they work. It covers polarity, current and resistors, forward voltage, and different LED types such as bi-color, RGB, infrared, SMD, and OLED, with practical tips for using them in electronics projects.

This article explains what pull-up and pull-down resistors are and why they are used in digital circuits. It shows how they prevent floating inputs, how to connect them with push buttons, how to choose resistor values, and how to use internal pull-up resistors on a microcontroller.

This article explains what the Qwiic system is, how it works, why it simplifies I2C prototyping, how to daisy-chain modules, and how to integrate Qwiic with existing hardware.