PCB , Wering, Connecting Components Powering Up a project - SparkFun Working With Wires - SpurkFun Connectors PCB Basics - SparkFun Pull Up and Pull Down Registors Pull up registors - SparkFun Motors DC Motors L293D Motor Driver - Robot Platform Transistors BJT as Amplifier - Youtube BJT as Switch - Youtube Logic Level Logic Level - SparkFun Analog to Digital Conversion ADC - Arduino Playground ADC - SpurkFun Pulse Width Modulation PWM - SparkFun Shift Registers Shift Registers - SparkFun Serial Communication Serial Communication: Asynchronous - SparkFun Conversion from RS-232 to TTL - SparkFun Serial Peripheral Interface (SPI) SPI - SparkFun Inter Integrated Circuit (I2C) I2C - SparkFun Sensors MPU6050 Motion Sensor MPU6050 - Dummy's Code Controlling PID Controll PID Control Using Arduino PID Control - Book Chapter