Compare DC Motor Driver Breakout (L298 Chipset) $14.99 This LinkSprite DC motor driver board uses one L298N, and can control two motors. The LinkSprite DC motor driver uses L298N as the driver chip. A 7805 is added to the board as the power supply of the logic circuit portion. Jumper... 0 Add to Cart
Compare Ball Caster Metal $3.50 Omni-directional supporting metal ball wheel for the rear wheel of robot. Spec: Fixture hole diameter: 4mm Distance between centers of fixture holes: 40 mm Height: 20mm Wheel ball diameter: 15mm Height of wheel ball: 4mm Weight: 37... 4 (2) Add to Cart
Compare Finger Heartbeat Detection Sensor Module for Arduino $3.49 Use IR LED and optical transistor to detect pulsation in fingers. Dimensions: 25 x 22 x 17mm Specification: Working voltage: 5V Download: Tutorial 0 Add to Cart
Compare 3mm Infrared Emitters and Detectors $1.29 These simple devices operate at 940nm and work well for generic IR systems including remote control and touch-less object sensing. Using a simple ADC on any microcontroller will allow variable readings to be collected from the detector. The emitter is... 0 Add to Cart
Compare Mini 2-wire Volt Meter (2.5 - 30 VDC) $5.99 This is a mini 2-wire voltage meter that can be used to measure any DC voltage than ranges from 2.5 to 30 V. The RED wire is connected to postive, and black is connected to negative. 0 Add to Cart
Compare USB Microscope - 5.0 Megapixel / 500x magnification / 8 LEDs $59.00 This is a USB microscope with 5 megapixel. It comes with 50x and 500x magnification. When you plug it into your PC, your PC will automatically recognize it and load the necessary drive. Package comes with a USB microscope with 4.5ft/140cm long... 0 Add to Cart
Compare AC Power meter (250W, 80V to 250V) $12.99 This is a mini AC power meter that can be used to measure the power efficiency of appliance. Specification: Voltage: AC85-250V Measured power: AC 0.0 - 99.9W - 250W Resolution: 0.1W (< 100W), and 1W (> 100W) Current: <... 0 Add to Cart
Compare Alligator Clip $0.50 These alligator clips are useful for smaller wires that you don't want to deform. The clip has smooth flat metal blades that clamp down on the wire, making for a good connection to thinner wires. There are strain relief crimp points and... 0 Add to Cart
Compare LED USB Dongle: Yellow $0.99 This is a mini LED USB dongle. Perfect for adding a little light powered by USB. 0 Add to Cart
Compare LED USB Dongle: White $0.99 This is a mini LED USB dongle. Perfect for adding a little light powered by USB. 0 Add to Cart
Compare Polarized Connector and Housing (2-Pin, 2.54mm spacing) $0.39 Polarized connectors and headers for your board/PCB projects. Use these connectors for power connections or any sensor/general connection to prevent users from connecting the peripheral incorrectly or reversed. This is for the female... 0 Add to Cart
