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Each card has a schematic and short description of a common circuit pattern in electronics. Topics covered include digital, analog, and power electronics. There are 32 cards in total :

-Multiplexer Logic
-FET Switch
-Open-collector
-CMOS Inverter
-FET Level
-Memory as
-SR Latch
-NPN Switch
-Sample
-Inverting Amplifier
-Noninverting Amplifier
-Transimpedance Amplifier
-Emitter Follower
-RC Lowpass
-Schmitt Trigger
-RC Highpass
-Differentiator
-Voltage Divider
-Differential Amplifier
-Integrator
-Buck Regulator
-Flyback Diode
-Crowbar Circuit
-Diode OR
-Voltage Doubler
-Shunt Regulator
-Boost Regulator
-Linear Regulator
-LED Current
-NPN Current
-FET High
-Current Regulator

These are great if you are looking to learn more about the basics of electrical circuitry.

Circuit Pattern Cards are designed by Arachnid Labs. http://www.arachnidlabs.com
Circuit descriptions and schematics are licensed, and used under the Creative Commons Attribution-ShareAlike 3.0 Unported License ( http://creativecommons.org/licenses/by-sa/3.0/ ). They can be found at https://github.com/arachnidlabs/labs-cards

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