Introduction The SunFounder HC-SR04 Ultrasonic Ranging module includes an ultrasonic transmitter, receiver and circuits. It has 4 pins: VCC, TRIG, ECHO and GND. The anti-reverse pin header onside makes it easy to connect and apply. As for the ranging principle, it is quite simple to understand: pull...

RioRand 12V-40V 10A PWM DC Motor Speed Controller w/ Knob--High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection From left to right they are Motor-, Motor+, Power-, Power+ Features: Control the speed of a DC motor with this controller High effi...

Add serious low end to your gig with the Rockville Bass Gig RBG-15S powered subwoofer. This is an incredible sounding powered sub that features a 15" driver with up to 1600-watts of peak power for tremendous bass that can run all night without stopping. The subwoofer features a high temperature 4-la...

The SINGER Stylist 7258 100-Stitch Computerized Sewing Machine offers great value because it comes with loads of free accessories. The sewing machine is provided with 100 built-in stitches making fashion sewing, home and decorative sewing, quilting, crafting and heirloom sewing easier. Thanks to its...

True 1080p HD Action Camera 1080p HD video recording with 16 megapixel CMOS image processor 1.4" Chroma™ display Rechargeable lithium-ion battery (record up to 3 hours at 1080p) Rugged, durable, waterproof (IPX7¹) with an aerodynamic design High Definition Recording VIRB records true HD 1080p v...

You swim. You bike. You run. You obsess over data and details. So do we. And we’ve just perfected your new training partner. Forerunner 910XT is the only all-in-one, GPS-enabled device that provides detailed swim metrics and tracks distance, pace, elevation and heart rate¹ for running and cyclin...

Advanced Running Watch with Recovery Advisor Touchscreen GPS running watch with high-resolution color display that tracks distance, pace and heart rate¹ Calculates your recovery time and VO2 max estimate when used with heart rate HRM-Run™ monitor¹ adds data for cadence, ground contact time and v...

True 1080p HD Action Camera with Wi-Fi, GPS 1080p HD video recording with 16 megapixel CMOS image processor 1.4" Chroma display High-sensitivity GPS, accelerometer and barometric altimeter Rechargeable lithium-ion battery (record up to 3 hours at 1080p) Rugged, durable, waterproof (IPX7¹) with an...

Specification: * 100% Quality Guarantee; * Model:NRF24L01; * nRF24L01 is a single chip radio transceiver for the world wide 2.4 - 2.5 GHz ISM band. * The transceiver consists of a fully integrated frequency synthesizer, a power amplifier, a crystal oscillator, a demodulator, modulator and Enhanced S...

The DEWALT DCGG571B 20V MAX Lithium Ion Grease Gun (Tool Only) features a powerful motor that delivers 10,000 max psi to power through clogged grease fittings. It has a high-volume pump that pushes up to 5.0 oz./min high-flow applications and allows up to 16 cartridges per charge with a single DEWAL...

20V max Lithium-Ion grease gun contains a top quality, efficient motor delivering up to 10, 000 max PSI combined with a high volume pump pushing up to 5.0oz/Min to easily power through clogged grease fittings and ideal for high flow applications. Manufactured with an integrated no-mar foot construct...

QI Fast Wireless Charger: Industry-leading wireless charging speed with 10W output power offers 2 times faster than other wireless chargers. Universal Compatibility Wireless Charger: Qi-enabled devices are available at standard wireless charging speeds such as Samsung Note 4, Note 3, S5, S4, Apple i...