This is a 4x20 5V Blue Character LCD display module with I2C controller. The I2C interface makes control by an Arduino simple and easy.
This is a Scott Edwards 4x20 Serial LCD with Terminal Features, Big-character Mode. It offers a terminal-style serial interface with many advanced features.
This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″, but it allows a typical continuous output current of up to 5 A.
Indoor GPS Starter Kit featuring one Modem and five Beacons to get your project running. Accurately position your robot to a couple centimeters indoors! Indoor Positioning System (IPS)