Components
Interesting and/or hard to find components that might be useful for your projects!

ATmega328P

ATmega328P microcontrollers.

Out of stock.

When in stock, these products normally ship from our San Francisco warehouse in 1-3 business days.

ATmega328P

By the each or by the 5-pack

Temporarily out of stock.


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16 MHz Crystal and Cap Set

Each set consists of one 16 MHz crystal oscillator plus two 18 pF capacitors.

In Stock.

These products normally ship from our San Francisco warehouse in 1-3 business days.

Crystal and Capacitors

Sets by the each or by the 5-pack


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6-pin Headers

6-pin breakaway headers, gold, 2x3 Dual Inline. Sold in sets of five.

In Stock.

These products normally ship from our San Francisco warehouse in 1-3 business days.

6-pin Headers

6-pin DIP Header 5-pack: $2.75


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Battery Holders

2xAA, 3xAA and 3xAAA Battery boxes

In Stock.

These products normally ship from our San Francisco warehouse in 1-3 business days.

2xAA Battery Holder

2xAA Battery box 5-pack: $7.50


3xAA Battery Holder

3xAA Battery box 2-pack: 3.50


3xAAA Battery Holder

3xAAA Battery box 3-pack: 5.00


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Microcontrollers E-mail

Microcontrollers

Preprogrammed ATtiny2313, ATmega168 and ATmega328P chips for your favorite projects.

In Stock.

These products are programmed on demand in Sunnyvale and normally ship from our San Francisco warehouse in 3-5 business days.

Microcontrollers: $4-5

Select chip and optional program.

ATtiny2313: $4
ATmega168 or ATmega328P: $5


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5 V Power Supply and Jack

Energy-efficient wall-plug AC adapters in US/Canada and International multi-plug versions.

In Stock.

These products normally ship from our San Francisco warehouse in 1-3 business days.

US/Canada AC adapter: $12

5 V power supply and jack


Multi-plug AC adapter: $20

5 V International multi-plug power supply and jack


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Pager Motors

Pre-wired tiny vibrating motors, available in packages of 5 or 25

In Stock.

These items products normally ship from our San Francisco warehouse in 1-3 business days.

Pager Motors

Please select package quantity:
5 for $7.50 or 25 for $32.00.



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USB-TTL Cable E-mail

USB-TTL Cable

FTDI model TTL-232R-5V converter cable

In Stock.

These products normally ship from our San Francisco warehouse in 1-3 business days.

USB-TTL Cable: $20

FTDI model TTL-232R-5V converter cable

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LED Headquarters
You have found Evil Mad Science LED Headquarters-- the big list of LEDs available from our shop: LED matrix displays, alphanumeric displays, huge seven-segment displays, discrete LEDs small and big, RGB LEDs, and more!
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Resistor Lead Forming Tool E-mail

Lead Bender

Resistor Lead Forming Tool

In Stock.

These products normally ship from our San Francisco warehouse in 1-3 business days.

Lead Bender: $5

Resistor Lead Forming Tool

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