Photo Interrupter Sensor, robot speed measuring module. Infrared detection, eliminating the interferences of external stray light Schmitt trigger, stable wave form and signals Signal output indicator (while breaking the beam, outputs low...

Sensitive for alcohol, ethanol Output voltage boosts along with the concentration of the measured gases increases Fast response and recovery Adjustable sensitivity Signal output indicator Specifications Power: 2.5V ~ 5.0V Dimension:...

This small ball caster uses a 3/8″ diameter metal ball. The height of the assembled kit ranges from 0.4″ to 0.6″. This ball caster kit includes a black ABS housing, a 3/8″ diameter metal ball, two spacers (1/16″ and 1/8″ thick), and two...

The RoboClaw 2x15A is an intelligent motor controller designed to control two brushed DC motors at 15 Amps continuous with up to 30 Amps peak per channel. It can be controlled from USB, RC radio, PWM, TTL serial, analog and...

This #4-40, pan-head screw is 1/2" long. It is made from steel, is zinc-plated, and comes in packs of 25.

This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In...

This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In...

Getting started with the Maestro Servo Controller Overview Maestro family of USB servo controllers: Mini 24, Mini 18, Mini 12, and Micro 6 The Mini Maestros are highly versatile (and compact) servo controllers and general-purpose I/O...

Add quadrature encoders to the mini plastic gearmotors on your Romi chassis with this kit that uses a magnetic disc and Hall effect sensors to provide 12 counts per revolution of the motor shaft. The sensors operate from 3.5 V to 18 V...

Build your very own programmable balancing robot with the Balboa 32U4 robot kit! The Balboa control board features an Arduino-compatible ATmega32U4 MCU, motor drivers, quadrature encoders, and a full IMU. This board also has the ability...

This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In...

This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In...