This is a fantastic find for SFE. A small, high-quality, quad-band, standard SMA terminated, cellular antenna.

O Seguidor de Linhas é uma placa longa composta por oito sensores IR. Este foi desenhado para seguir uma linha escura (spray ou fita isoladora) num fundo claro de cerca de 7,6 cm de largura ou menor . 

The RFID USB Reader is a simple to use, USB to serial base unit for the ID-3LA, ID-12LA, and ID-20LA readers. 

Have you ever wanted to control the flow of a liquid using your computer or microcontroller, but didn&rsquot know how? Well, here&rsquos how: The 12V solenoid controlled fluid valve.

Need range? The 2.4GHz Large Duck Antenna 5dBi with Reverse Polarized - SMA RF connector is perfect for you.

This Load Sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales. This sensor can measure up to about 110 pounds. 

This is a simple three track magnetic card reader with serial output.

This will be a treat for your ears! The Hamburger Mini Speaker is a 3W economical speaker option for any project needing stand-alone sound. 

This is a 34' roll of thermal printing paper for use with our thermal printer. 

This cable allows you to access the pins on your car&rsquos OBDII connector. 

A small Audio Speaker that is ideal for radio and amplifier projects.

This is a 35mm Concave Momentary Push Button similar to the ones you find on arcade games.

This is a 35mm Concave Momentary Push Button similar to the ones you find on arcade games.

This is a 35mm Concave Momentary Push Button similar to the ones you find on arcade games.

This is a 35mm Concave Momentary Push Button similar to the ones you find on arcade games. 

This is the Multi-Chassis Basic 4WD Kit, an easy to assemble and use robot chassis platform.