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Most projects can be assembled from readily available parts without the need for specialized equipment. My hope is that you will these projects helpful, and at least be able to make use of some of the bits and pieces you will find among them

Test and Measurement

         Voltage Recorder With Playback (ATMEGA48V) NEW Jaunray 2013

        A Simple Attenuator And Preamp For DC Measurements (Analog Only) NEW Jaunray 2013

An Even Better LC Meter Based on Atmel AVR ATTINY861

A Pretty Good LC Meter Based on an AVR (ATtiny2313, AT90S2313)

A Simple Manual Curve Tracer (analog only)

A Photocell Amplifier for Comparative Light Measurements (analog only)

A 10 Bit LED Digital Panel Meter With Auto Ranging Based on ATMEGA 8   ATMEGA8

An Isolated Variable AC Mains Transformer

MAX038 Function/Sweep Generator with Markers (ATtiny2313, AT90S1200A)

A Noise Generator per IEC 268-1, IEC 268-5, and IEC 268-7

1.000 kHz Sine Wave Generator ATTINY2313/AT902313/ATMEAG8515/AT908515, etc.

LED Wink Tester For 1.5 Volt Cells NEW February 2012

Battery Voltage Checkers

LC Determination by Resonant Frequency Measurement (ATtiny2313, AT90S2313)

Inductance meter for RF Inductors

HF/VHF/UHF Test Oscillator

A Little More Serious Frequency Meter/Counter(ATtiny2313, AT90S2313)

A 300 MHz Prescaler and 30 MHz preamp for A Little More Serious Frequency Mete r

Frequency Meter and Pulse Generator (ATtiny2313, AT90S2313)

WATTMETER (uses DVM for display)

TRUE RMS-TO-DC Adapter For DVM

Digital Lock-in Milliohmmeter (ATtiny2313, AT90S2313)

HF AC Millivoltmeter adapter

Precision Audio Frequency Peak Detection Probe

Digital RF Field Strength Indicator (ATtiny2313, AT90S2313)

An RF Field Strength Meter Using A Biased Schottky Deterctor and A Moving Coil Meter

A Field Strength Indicator -Analog only.

RF Field Strength Probe (AT90S1200A)

LTD - Low Cost Telemetering Device; ATMega8 scanning voltmeter with Morse Code output (ATMega8)

Waveform Monitor with LCD (ATtiny2313, AT90S2313)

Simple LM335 thermometer

A Precision Portable Voltage Reference

AC Current Probe for Oscilloscope Use.

Low Capacitance Scope Probe Adapter

LED Driver circuits

White LED drive from 1.5V

Attention-Getting Auxiliary Warning Light Flasher/Driver

A One Watt White LED Power Supply Light For Battery Powered Operation

White LED inductorless drive from 1.5V and 3V

R/C Model Aircraft Marker Light Flasher (ATTINY12 and others)

Fast precision LED driver

Flying inductor LED series voltage boost circuit. (Power supply in series with the battery and LED)

White LED Night Light For The Home

White LED Power Failure Light

White LED Stroboscope With Constant Duty Cycle and Constant Current Drive

1.5 Volt 1970's Style Caboose Marker Flashing Red LED Light.

Simplest LED Flasher circuit

An Array of 180 UV LEDs

LCD Drivers (firmware)

Serial Interface for Truly MTC-C162DPLY-2N, 2 line X 16 char LCD display (AVR controllers with RAM)

Serial Interface and bias supply for Seiko-Epson G1216B dot graphics display (ATtiny2313, AT90S2313)

RF and Communications

Special Stuff

Some Selected Web Links

Featured link: Sanjiv Dutta's LED Based Handycam Light Project
Sanjiv made a video camera light that uses 20 LEDs. I admire Sanjiv's inventivness.

Here are a couple of good datasheet sites. They seem to be somewhat better than the older ones.
http://www.datasheetdir.com/
http://www.dz863.com.

Are you in Ohio or Florida, USA and need a chimney inspection, other work, or advice? Consider Saint Clair Chimney Company http://www.saintclairchimney.com/

http://www.cappels.org Main entry to cappels.org

Semi-Permanent Eyebrow Tattoo Makeup In Udon Thani By Patti
Eyebrows By Patti
EyebrowsByPatti.Com

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