Items 13 to 24 of 57 total per page
Page: 1 2 3 4 5
555 Timer IC

One of oldest and most versatile chips out there, this simple timer can control timing (square waves, pulse extenders, missing pulse detectors, ad infinitum...) from hours to microseconds.

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555 Timer IC

$0.99

Out of stock

1M Audio Potentiometer Carbon

24mm in diameter, this comes with washer and nut to fit into a 5/16" hole.

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Red LED with Integrated Current Limiting Resistor

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

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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
Red LED Bargraph

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

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Red LED Bargraph

$0.99
CD4051BCN Multiplexor

CD4051BCN Multiplexor

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CD4051BCN Multiplexor

$1.99
Green Bargraph LED

Green Bargraph LED

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Green Bargraph LED

$1.49

Out of stock

Blue LED Bargraph

10 Segment Blue LED bargraph.

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Blue LED Bargraph

$2.99

Out of stock

100k Linear Potentiometer

Standard panel mount potentiometer (drill 5/16" hole) with mounting nut and washer. Has lugs for soldering wires.

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100k Linear Potentiometer

$1.89

Out of stock

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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Diode - Small Signal

A typical signal level diode, max 200mA average current.

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Diode - Small Signal

$0.39
Items 13 to 24 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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