Search results for: 'transistor'
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- Transistors
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- Three Digit Counter Kit (RoHS)$22.95
SKU: QK1
A three digit counter kit (using only two ICs), that can be connected to another and another, to make up to 9 digits. Learn More - IC SENSOR TEMP FAHRENHEIT$9.95
SKU: LM34
Temperature Sensor - Fahrenheit. Temperature Range -40F to +230F Learn More - Timer and Alarm Kit 1 - 240 Min.$7.95
SKU: FK914
Timer and alarm circuit up to 4 hours duration. Learn More - Versatile PIC Flasher Kit$19.95
SKU: QK169
PIC Flasher kit for over 100 LEDs. Modified from a circuit from EPE 12/2002, this PIC 16F84A circuit can flash up to 160 LEDs in a variety of patterns controlled by a 5 pin DIP switch. Connect the LEDs in your own pattern. Learn More - Universal Relay Kit with 16 Relays$94.95
SKU: K6714-16
The Universal Relay kit has 16 SPDT relays rated at 5 amps with 110 Volt supply on board. Learn More -
- Dimmer Module for Electronic Halogen Transformer$11.95
SKU: K8068
A dimmer for your halogen electronic transformer!Push-button dimming.
Designed with the Velleman modular lighting system K8006 in mind. Learn More
- Deluxe Arduino UNO Clone Starter Kit$69.70
SKU: ARDLRN
Arduino Uno Clone Learning Kit includes a ton of sensors! 1 left in stock, when its gone this item will be discontinued.
Learn More - DC Motor/Stepper Motor Driver Board L9110S-B$2.50
SKU: L9110S-B
Blue Version Dual L9110S chipset motor driver board Learn More - 3.5 Digital Multimeter with backlight$15.95
SKU: DMM830BL
Automatic Polarity function. Measures: DC current up to 10A, AC and DC voltage up to 600V, resistance up to 2Mohm. Diode, transistor and audible test. Learn More - 6V - 12V Screamer Kit$14.95
SKU: QK15
Want to hear 110dB of siren noise? 6V to 12V. Two Piezo elements already glued into their own resonant cavity in an attractive box. Use as part of a larger security system. Uses two auto transformers. Full explanation enclosed. Learn More - PC Relay Driver Board (Assembled)$34.95
SKU: QK74A
Use your PC as a dedicated controller for lights, motors & other devices. Plugs into any printer port, uses separate 12V supply for the relays. - Infra Red Remote Toggle Switch Kit$15.95
SKU: QK58
This I/R Toggle switch will work with any button on any remote control unit. Press any button & the 1A on-board relay will turn on. Kodenshi IR flip-flop used to toggle the relay. Requires 12 VDC Learn More - 30 in 1 Electronic Lab kit$34.95
SKU: MX903
Learn and build 30 exciting electronic experiments safely and easily. No soldering required. Learn More - PC Driver Relay Board Kit (RoHS)$39.50
SKU: QK74
With this kit you can use your PC as a dedicated controller for lights, motors & other devices. Two complete software programs included to drive it. One for DOS and one for Windows 3.1 Plugs into any printer port, uses separate 12V supply for the relays.Download software here: http://store.qkits.com/assets/zip/qk74setup.zip" target=_blank Learn More
- Universal Relay Card kit$49.95
SKU: K6714
Switch large electric currents using an electronic control. 8 Relays included. Learn More - PWM DC Motor Speed Control Module 6V/12V/24V/28V 3A$4.95 As low as $4.25
SKU: PWM1
3A DC Motor Speed Control Module
Power supply :6 - 28 VDC
Load voltage : 6 - 28 VDC / 3A max
Output : controlled DC motor by PWM ( Pulse With Modulation )
Range : 0 - 100 %Fully assembled & tested module. Learn More
- Relay Touch Switch Kit$8.95
SKU: QK137
Turn on any electrical device with this switch. Just touch the wire or touch plate. Relay will automatically turn off a short time later. Components for 1 sec & 5 sec delay included. Uses LM555 wired as monostable multivibrator. Learn More - Digital Timer 1 Sec - 99 Hours (RoHS)$23.50 As low as $21.15
SKU: MXA062
1 Sec to 99 hour timer.
Assembled Product Learn More - PWM DC Motor Speed Control Module$26.95 As low as $24.95
SKU: MX033
15A DC Motor Speed Control Module
Power supply :12/24 VDC
Load voltage : 12/24 VDC / 15A max
Output : controlled DC motor by PWM ( Pulse With Modulation )
Range : 0 - 100 %Fully assembled & tested module. Learn More
- UHF Remote Control Kit$9.95
SKU: FK436
This UHF Remote Control kit uses a frequency in the UHF range as a carrier for controlling the receiver. Learn More - Digital Multimeter 15A$41.85
SKU: DVM892N
DIGITAL MULTIMETER - 24 RANGES / CAT II 700 V - CAT III 600 V / HOLD / AUTO POWER OFF / TEMP / 15 A AC & DC Learn More - Three Timer Kits$28.95
SKU: QK85
We provide 3 complete text book timer circuits all in one kit!One is a traditional 555 timer circuit, the second uses a 555 to pulse a counter, while the third uses the discharge of a capacitor to time a period. Learn More
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