LIGHT-ACTUATED RELAY MODULE, 12 VDC
CAT# PRM-1
$4.60 each
Photo-resistor controlled relay module. S.P.D.T. relay switches when light is sufficiently low or high. Cadmium Sulfide (CdS) photo-resistor sensor determines when a relay switches. Sensitivity adjustment potentiometer. Screw-clamp terminals for input and output. Led indicators for power (red) and relay actuation (blue). • XH-M131 module...
Reduced Price
12 VDC 120MM HIGH-POWER AXIAL FAN
CAT# CF-1225
$5.35 each
• TK Fan Model: DCH12038HV12B • High-speed DC brushless, ball bearing fan • 120 x 120 x 38mm • 12 Volt DC (8 - 13.5 VDC), 2.5A • 5200 RPM, 285 CFM, 71.9 dBA • Three 7" leads with 4-pin Molex-type plug • RoHS, CE Note: Because of the high-velocity of this fan we suggest using fan guards and/ or filters to prevent...
TESLA COIL SPEAKER KIT
CAT# TCL-35A
$9.50 each
Fascinating mini Tesla Coil kit is great for educational demonstrations and entertainment purposes. Produces a high-voltage, low-current arc when you hold a metallic object (ie. screwdriver) next to it. Impressively, it uses wireless power to transmit electrical energy to a high-frequency, low current electrical load such as a neon lamp or...
MINI-ALLIGATOR JUMPERS, 10 PCS
CAT# MTL-10
$3.50 each
Ten test leads. 1" clips. Two each of five colors.
New Item
RELAY MODULE WITH 0-999 SECOND TIMER
CAT# TDRM-1
$11.50 each
Relay coil is energized when module is triggered, de-energized at end of pre-set count-down period, 0-999 seconds. Three-digit LED readout displays the desired interval and counts down to 0 when triggered. On-board pushbuttons program desired interval. Once set, interval remains until re-set. Can be triggered by external momentary pushbutton (not...
New Item
13.4VDC, 30A POWER SUPPLY / CHARGER, USED
CAT# BC-1230
$50.00 each
Iota Engineering # DLS-30. Two-stage charger/power supply widely used in RV, Solar, Electric Vehicle and Telecommunications industries. Delivers its full-rated current when the battery capacity falls sufficiently low. As the battery nears its full capacity, it automatically drops the current, providing a float-charge to prevent self-discharge of the...
New Item
8038 SIGNAL GENERATOR KIT
CAT# KT-SGM
$6.75 each
Easy-to build signal generator kit. Parts are clearly marked on the pc board. Requires soldering. For assembled version of this see CAT# SGM-1 • Built on ICL8038 IC • Frequency range: 50-5Khz • Triangular, square and sine wave output • 10-450Khz • Power: 12-15 Vdc • Footprint: 59 x 44mm • Click here for...
New Item
CONTINUITY TESTER
CAT# CT-19
$2.95 each
GB Instruments™ GCT-304A. Simple continuity tester for all kinds of circuits, switches and fuses. Pointy probe lights when continuity exists. Flexible 34" cable with alligator clip. Requires 2 AA batteries (not included).
New Item
3-CHANNEL PWM MODULE
CAT# PFM-2
$7.75 each
Three-channel Pulse Width Modulation (PWM) frequency generator. Each channel has adjustable frequency and duty cycle for use as motor driver, dimming control or square wave generator for experimental purposes. LCD readout displays frequency and duty cycle. Supports serial operation. Specifications: • Operating Voltage: 3.3-30V •...
New Item
PRECISION PUMP, VFP-V5 500UL
CAT# VFP-5
$18.00 each
IDEX part # VFP-V5-500ul Precision, machined head pump for dispensing of chemicals. Driven by NEMA17 bi-polar stepper motor. In addition to pump, assembly has two 3-port miniature solenoid valves. New assemblies. Overall Dimensions: 192 x 60 x 44mm excluding mounting bracket and connectors. Stepper motor: • Electro-Craft TPP17-47-018 •...
SQUARE WAVE GENERATOR KIT
CAT# KT-143
$4.35 each
• Main Chip: NE555 • Input current: >=100MA • Input Voltage: 5V-15VDC • Output amplitude: 4.2V V-PP to 11.4V V-PP • Maximum output current: >=15MA • The output frequency range is selectable: LF file: 1Hz ~ 50Hz, IF file: 50Hz ~ 1kHz, High-frequency file: 1KHz ~ 10kHz, HF file: 10kHz ~ 200kHz •...
250uH 2.5A CHOKE COIL
CAT# CC-250
$0.75 each
| 10+ | $0.65 each |
JW Miller # 5254 Axial choke. 250 uH, 2.5A, 0.17 Ohms.
6-24 VDC GEAR MOTOR, 1:84 RATIO
CAT# DCM-9120
$7.95 each
• Hennkwell# PZ22GR9120R-084BBH • 22mm diameter planetary gear brush motor • Smooth, quiet operation • Wide operating range, 6-24 Vdc • Dual ball bearings • Rated 142RPM @ 24Vdc, no-load. 113 RPM with load • 6mm diameter x 14mm shaft with hole. 2mm diameter shaft at rear of motor • Overall length of motor and...
SPST PUSHBUTTON, PUSH ON/PUSH OFF
CAT# PB-13
$1.85 each
| 100+ | $1.50 each |
Judco model# J-188A-1. SPST, push-on push-off, plastic pushbutton. Contacts rated 6 amps @ 125 Vac. Black body, actuator and panel nut. 3/8-27 threaded bushing. 4 1/2" stranded wire pigtails. UL listed. For moisture-resistant cap/nut see CAT# WPC-3.
ATX TO BENCHTOP POWER SUPPLY CONVERSION KIT
CAT# ATX-BT
$15.95 each
Handy conversion kit plugs into your ATX power supply to create a benchtop power supply with enough juice to run most of your electronics projects. Provides quick access to the typical voltages needed including 3.3V, 5V, 12V and -12V. Each output channel has replaceable 5A fuse and corresponding ground connection with binding post. Easy to connect...
PROJECT BOX W/ MTG FLANGE, 6.18" X 3.78" X 2.10"
CAT# MBF-24
$5.45 each
• High-impact ABS plastic utility box • Black textured finish • Interlocking lid held in place with screws • Interior card guides for 1.6mm thick pc board • 6.18" x 3.78" x 2.10" (157 x 96 x 53.5mm) • Mounting flange has counter-sunk screw holes and adds 1" to 1.25" to overall length of box....
DIY TANK KIT
CAT# KT-069
$7.95 each
Gear driven tank powered by two AA batteries (not included). A relatively simple to build, no soldering required, educational kit. When fully assembled and switched on, this tank rolls forward, and climbs small obstacles. Includes parts, instructions and a small screwdriver. One small drawback, the instructions are in Chinese ( click here to view )....
THERMOSTATIC CONTROL MODULE
CAT# THM-4
$6.00 each
Digital module can be programmed to turn equipment on or off at specific, pre-set temperatures. Also has hysteresis setting, delay setting, upper-limit setting and upper limit alarm setting. Displays temperature in Celsius on 3-digit LED display. On-board 20A relay. Waterproof temperature sensor. Three buttons for navigating temperature...
Clearance
Large Quantity
12 VDC 3 AMP POWER SUPPLY, SPECIAL
CAT# PS-1272
$6.95 each
| 50+ | $6.45 each |
| 100+ | $6.00 each |
Input: 100-120V. 50/60 Hz, 0.8A. Output: 12V, 3A. Table-top style supply, 4.42" x 2.12" x 1.35" high. 6' output cable with 2.1mm coax plug, center positive. cULus.
BATTERY LEVEL METER
CAT# BT-3
$7.75 each
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 ·...
EXTRA-LOUD MINI PIEZO SIREN
CAT# ES-10
$5.85 each
| 10+ | $5.65 each |
Small, painfully-loud two-tone piezo siren for auto or home security devices. Operates 6-12 vdc, 110 ma. 108dB output (30cm). 1.84" x 1.53" x 0.88" high black plastic body. Two mounting holes on diagonal 1.80" centers. 3" wire leads.
6" COTTON SWAB, 100 PIECES
CAT# CS-100
$1.50 bag
A bag of 100 cotton swabs. 6" long with long, sturdy wooden handles. Single, compacted cotton tip with less lint than regular cotton swabs. Great for model making, ceramics, jewelry, fabric decorations, hobby, arts and crafts. Versatile tool for cleaning, detailing, and applying paint, glue, epoxy, lubrication, etc. NOT FOR MEDICAL USE....
Reduced Price
24 VDC GEAR MOTOR W/ TURNTABLE
CAT# DCM-351
$8.50 each
| 10+ | $8.00 each |
Relatively powerful, low-current DC motor and gearbox with a 4.9" diameter plastic (nylon?) turntable with a rubber o-ring circumference that could be used to drive another wheel. Turntable can be removed from motor and rubber ring on turntable can be removed as well. Specifications: • 45 RPM @ 24 Vdc, 60mA - 23 RPM @ 12 Vdc • Drive motor...
12VDC SPDT 40A AUTOMOTIVE RELAY
CAT# RLY-351
$2.55 each
| 10+ | $2.25 each |
12 Vdc, 88 ohm coil. Contacts rated 40A. Plastic enclosed relay, 1.1" x 1.2" x 1" high. Plastic flange for bulkhead mounting. Mounts in standard automotive relay socket.
5" FLUSH CUTTER
CAT# FC-14
$7.25 each
Trim leads on PC boards. Thin cutting edge for hard to reach areas. Useful for jewelry, fishing and electronics. Insulated handle. Spring return.
SOLAR CELL, 3V 40MA
CAT# SPL-30
$1.15 each
| 10+ | $1.00 each |
Output: approximately 3 Volts @ 40 mA. 60mm square x 2.5mm thick epoxy-encapsulated silicon photovoltaic cell. Solid, almost-unbreakable module with solderable foil strips on backside. Ideal for solar-powered battery chargers and other projects.
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Large Quantity
4-POSITION PC MOUNT TERMINAL STRIP, NUMBERED 1-4
CAT# TER-404
$0.45 each
| 100+ | $0.20 each |
| 500+ | $0.15 each |
| 1000+ | $0.12 each |
Two interlocking 2-position blocks, numbered 1-2, 3-4. 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)....
SELF-FUSING RUBBER TAPE
CAT# SFT-5
$4.50 each
Stretch and wrap self-fusing rubber tape for a moisture-tight, insulating seal on electrical connections. High resistance to salt water, steam and oil. To use, remove 2" to 3" of tape from the roll, remove the liner, stretch tape to twice the supplied width and wrap it spirally around the object with a 50% overlap. In minutes the tape will react with...
2-CONDUCTOR LOCKING CONNECTORS W/ LEADS
CAT# CON-240
$1.35 each
| 10+ | $1.20 each |
| 100+ | $0.95 each |
Mating pair of polarized multi-pin connectors with wire leads. Pins on 2.5mm centers. Black nylon housing with release on male side of connector. Female side of connector can be snap-mounted into a rectangular chassis mounting hole. 12" color-coded leads, 22 AWG stranded wire on both connectors.
1W LED W/ REFLECTOR IN HOUSING
CAT# LMP-26
$2.50 each
| 10+ | $2.25 each |
This good looking fixture is a great beginning for a shelf or display lighting project. Bright, white 1 Watt LED enclosed in a rugged black and yellow hard plastic housing with a conical reflector and a clear plastic front lens. Overall dimensions, 2.16" diameter x 3.45" long. Two wire leads. Operates on 3 Vdc @ 300 mA. For higher voltages use a...
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Large Quantity
3.5MM - 3.5MM AUDIO AUXILIARY CABLE, 5'
CAT# CB-453
$1.00 each
| 50+ | $0.75 each |
| 100+ | $0.60 each |
5' cable with 3.5mm stereo mini-phone plugs on each end. Flexible, good-quality cable, made for Motorola (MOT# SKN6393A). Straight plug on one end, right-angle on other. Perfect for iPhone, Android and other audio connections.
