# Embedded Basics In this tutorial, you'll learn the absolute basics of the embedded world: ## Contents - What are embedded systems? - Electronics 101 - Current, voltage, power and all - Diodes, Resistors, Capacitors - Ohm's law - LEDs and pre-resistors - MosFETs - Breadboard vs. Soldering - Digital I/O - Analog I/O - Bus Systems - UART - SPI - I²C / TWI