Items 1 to 12 of 57 total per page
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Yellow LED Bargraph

10 Yellow LEDs arranged in Bargraph form on a DIP style package

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Yellow LED Bargraph

$0.49
TLV274IN Quad Rail to Rail Op-amp

A Rail to Rail op amp has an output that can go all the way to its rails (0V, for instance). Most opamps stop about a volt away from their power suply voltages.

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Test Point

This small loop provides an easy-to-clip on test point to attach probes. You can even wedge standard multimeter pole-type probes in this.

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Test Point

$0.49

Out of stock

SPDT Toggle Switch

3 pins, switch connects middle pin to either one of the end pins. Includes mounting hardware (washers and nut).

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SPDT Toggle Switch

$1.99
SPDT Slide Switch

This small slide switch either connects the middle pin to the left pin, or the middle pin to the right pin.

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SPDT Slide Switch

$1.99

Out of stock

Resistor for Plug-in BreadBoard Power Supply Kit

These are the resistors included in the Power Supply Kit, including 120, 200, 270, 240, 750, 820, 390, and 330 Ohms. Carbon Composition, 5% accuracy, 1/4 Watt, RoHS Compliant (lead-free).

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Red LED, small

.1" lead spacing, 5.25mm tall, 19 mcd luminous intensity, diffused-red lens.

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Red LED, small

$0.49
Red LED with Integrated Current Limiting Resistor

Hook this up to 5V without any current limiting resistor.

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Red LED Bargraph

10 Red LEDs arranged in bar graph form in a DIP package

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Red LED Bargraph

$0.99
Red LED - Standard Size

Run-of-the-mill LED, with a diffused lens and .197 diameter, .1" lead spacing.

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Red LED - Standard Size

$0.39
NPN General Purpose Transistor

Can pass 100mA continuously. 2N3904

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LED Panel Mount Holder

This snaps into a 1/4" panel hole to hold standard sized LEDs (.23 diameter).

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LED Panel Mount Holder

$0.49
Items 1 to 12 of 57 total per page
Page: 1 2 3 4 5
Our Blog

Course on Bitcoin, Blockchain, Decentralization

Our new course on Bitcoin, Blockchain and Decentralized technology gives a crash course on Bitcoin and many other blockchain projects, like Ethereum, MakerDao, IPFS, SlockIt, the DAO, Zerocash, and more. There are demos on how to acquire, store and use Bitcoin, including web, hardware and paper wallets. Some of the latest topics in Bitcoin are also covered, like soft vs hard forks, segregated wit

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The Essence of How Bitcoin Works

A brief intro to the main ideas behind How Bitcoin Works, including how money is transferred, who keeps track of it, and how the whole thing is secured.

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SMT Stencil Review, including BGA Reballing

A review of SMT stencils from BEST, Inc. 10% off coupon: 'Curious'

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How Bitcoin Works in 5 Minutes

A short introduction to how Bitcoin Works. Written version:http://www.imponderablethings.com/2014/04/how-bitcoin-works-in-5-minutes.html

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RPi Spectrum Analyzer Display with LED Strip

A python-based real-time spectrum analyzer. Plays MP3s and does FFTs in real time using code from the LightShow Pi project and Numpy. Full code and instructions at instructables.

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