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Monitor battery usage in lead-acid and lithium-ion batteries. LCD displays percentage of voltage remaining in numerical and graphic format. Designed for use with 12, 24, 36 or 48V lead-acid batteries or 3 to 15 cell (8-63V) lithium-ion batteries. Battery symbol flashes when level reaches 5%. · Black digits with blue backlight ·...

Stepless, variable-speed motor controller rated 15A max. at 120 Vac. Selector switch for variable or full-speed modes. 15A fuse. Belt-clip. 6' 16/3 power cord. 3-conductor grounded receptacle. 4 3/8" x 2 9/16" x 2 3/4". Note: Not for use with brushless motors, or soft/slow start routers.

Keep a good selection of LEDs on hand for whatever your project might require. Red, Green, Blue, Yellow (Amber) and White 3mm and 5mm LED assortment. All are clear in off-state. · 5mm LEDs, 20 pcs each color. · 3mm LEDs, 40 pcs each color. · Clear plastic divided box with locking lid. Because all of these LEDs look alike and...

Flashing roadside emergency LED flare with flashlight. Easy to use, extremely durable, and much safer than traditional flares. Features 10 different flashing patterns including 3-LED worklight and provides 360 degrees of illumination. Contains a hook and strong magnet for placement on vehicle or boat and may be used in any weather condition. Ideal for...

The Uno R3 board contains everything needed to support the onboard ATmega328 microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power...

Earthtronics Model TLP250K3X3. 120 VAC, 60Hz, 0.029A, 1.6W. Color temperature: 5000K "Cool-white". Nice-looking white plastic "wall washer-type" fixture. Operates on 120Vac house current. 30 bright white LEDs in a 2" x 2" array with diffuser lens. Inclines approximately 30° from mounting surface. Mounts with 2 screws on 2.35" centers....

Spring-return metal foot switch for 120Vac devices. Momentary-on action, on when pressed; off when released. Ideal for rotary tool, scroll saw, devices using 200W or less. 6' cords for power input and output. 5" x 3" x 2 1/4".

Miniature lensed weather-resistant LED module provides 160-degrees of cool white light. Narrow footprint and adhesive backing makes it easy to mount, even on curved surfaces. IP67 rating for outdoor use. Wired together in 20 module strands, with LEDs on 2.36" centers. Can be purchased individually. Features: Voltage: 12V DC Current: 30mA per...

Based on the ISD1820 chip, this multiple-message record/playback device offers true single-chip voice recording, non-volatile storage, and playback capability for 8-20 seconds. Features on-board microphone as well as internal audio amplifier which can drive the included 8 Ohm 0.5W speaker directly. Can be manually operated with on-board pushbuttons or...

Design and change circuits quickly and cleanly. Breadboards accommodate all sizes of dips and discrete components with lead diameters up to 0.032". Interconnect with solid hook-up wire (#22 AWG recommended). Wires and components can be used and re-used many times without damage to board or components. 400 tie points. 300 contacts on main board and 50...

SICK Optics WS15-D1130 / WE15-A1130. Photo-electric sender and receiver pair detects the presence of an object when the beam between the two is interrupted. Useful in automation, alarm systems and door annunciators. When the beam is broken, the receiver produces a current that can be used to trigger an audio-visual signal or relay-operated device....

3-digit LED voltmeter for 0-100VDC range. 0.28" digits on a 0.89" x 0.39" display. Red digits on black background. Three wire operation. Red-black for power; yellow-black for voltage being monitored. Will monitor its own voltage. Mounting ears with holes on 1.03" centers. Also available with blue digits, CAT# PM-126B. Working current: 20mA...

Mini DC gear motor, ideal for robotics. Light weight, high torque and low RPM. Model: GA12-N20 Rated Voltage: 3-12V Speed: 100RPM @ 6V Load Speed: 80RPM Rated Torque: 2 kg.cm Stall Torque: 16 kg.cm Rated Current: 0.07A Stall Current: 1A Reduction Ratio: 1:10 Total Length: 34mm Gear Material: Full Metal Gearbox Size: 15 x 12 x 10mm (L x W x H) Shaft...

We just received a bunch of these Micro-USB to USB cables, and we'd like to move them. One of the most popular charge and sync cables for smart phones, tablets, cameras and other portable devices. Connects to USB port in cars, computers and chargers. 3' overall length.

Controls the speed of a DC motor using Pulse-Width-Modulation (PWM). An efficient method of changing the speed of a DC motor without changing voltage. Has a potentiometer with on-off switch and a four-position screw-terminal strip for easy connection to motor and power source. Can be used as a lighting dimmer and similar applications with DC loads up...

Illuminated multi-power head magnifier keeps your hands free while enhancing your vision. 2 led bulbs with tilt and angle controls to adjust the light beam. Magnification:1.9x acrylic fixed lens, 1.9x acrylic flip-down lens and 4.5x glass swivel loupe. Magnifier assembly can be flipped up out of your way when not in use. Adjustable head strap with...

Large set of 92 various sized plastic gears, racks, wheel set, pulleys, belts and axles. A lot of stuff at a nice price!

2.1mm ID co-ax plug on two 4" wire leads terminate to 9 volt T-type battery snap.

Mabuchi # RE280RA. Useful in many hobbyist projects such as radio controlled vehicles, robotics, model-building, home automation, and more! 30mm long x 24mm diameter. 2.0mm diameter shaft x 12mm long. Two 3mm mounting holes on the face of the motor. The outer case may have blemishes due to storage conditions, however the solder terminals are clean...

This little device converts 3.7 Volts to approximately 18,000 Volts. The main component in a taser/ stun gun, it creates quite a spark and a loud crackling noise when the probes are within 1/2" inch of each other. 1.35" x 1.55" x 0.31". The output leads have pointed probes attached. Applications for this device, other than self-defense, include an...

These audio transducers are essentially speakers, but, instead of a cone, the coil is attached to a pad that conducts the vibration into whatever it is pressed against. Hook it up to an audio source and press it against the nearest table, wall or cardboard box and hear surprisingly good sound reproduction. Originally designed for spa and bath...

Two interlocking blocks, numbered 1-3 and 4-5. PC mount screw-clamp terminals on 5mm (0.197") centers. Accepts up to 14 AWG wire. Rated 10 Amps, 300 Volts. Side wire entry - 10mm (0.40") high. Interlocks with the following two or three position blocks to provide strips of any required length (CAT#s TER-403, 404, 405, 406, 135 and 461)....

Model: PS-2.1-12-3-DC-U-S. Input: 100-120V. 50/60 Hz, 0.8A. Output: 12V, 3A. Table-top style supply, 4.42" x 2.12" x 1.35" high. Detachable power input cord. 6' output cable with 2.1mm coax plug, center positive. cULus.