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Electronics Circuits

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• RS Latch Erroneously setting by Itself


I am having trouble preventing my rs latch from erroneously setting. The circuit is a voltage threshold detection circuit with a nand gate whose output is tied to a SR latch.

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• An Oscilloscope on your TV


Over the last few days I’ve been playing around with an old small black and white tv….I did the infamous “Oscilloscope on your TV” thing that’s all over youtube and the rest of the web…grew bored with that, so I’ve decided I want to make it into a fully-functional scope that I can use in my lab.

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• Hobby Diy Oscilloscope


Is it good as a (beginner) hobbyist to crave for an oscilloscope.  mail from EA – This scope will work from your PC Audio Card or Sound Card. 

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Hobby Garage

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• The PICList – Microchip PIC Interest Group


The PICList is a collection of people interested in the Microchip PIC and other similar processors who have requested that email sent to the PICList email address be forwarded to them.

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• VeeCAD for Stripboard with Auto Router


VeeCAD takes a schematic generated netlist and assists you to build a layout – but on stripboard (Veroboard). The usual design tools are provided: netlist import, component footprint definition, component positioning, wiring and connectivity check.

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• TechLib – Electronic Experimenter Records


A technical library for the hobbyist and experimenter. – Charles Wenzel

TechLib – Electronic Experimenter Records

• World’s Smallest Geiger Counter
• Karen’s Mic.

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Tech Media Network

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• CMOS Mixed-Signal Circuit Design


From Signals, Filters, Sampling, Aliasing to Data Converters. This book covers the fundamentals of Mixed-CMOS Design. This book will fill a hole in the (more…)

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• ULN2003A – Darlington Transistor Drivers Arrays


These are high-voltage, high-current Darlington transistor arrays. Each consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching (more…)

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• 74HCT4067 Analog Multiplexer


An Excellent way to expand your A/D convertors I/O capability. Multiple Analog Inputs can be routed to a single Opamp or Analog Input of (more…)

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