Other People's Projects

This is an unsorted (but tagged) list of cool things other people have done and then posted their own set of instructions about how they did it that might be useful later for one of my own projects.

40 MHz frequency meter (via) 2008-08-22 11:10AM

A frequency meter made out of an AVR

Tags :chip:atmega16 microcontroller:avr chip:74hc191

Laser Modem (via) 2008-08-15 12:50PM

Uses a laser scavenged from a cheap laser level to send serial data.

Tags :chip:atmega168 chip:ad620an microcontroller:avr optoelectronics:laser optoelectronics:phototransistor

Making Piezoelectric Crystals (via) 2008-07-31 11:25AM

This looks too cool. Making your own piezoelectric crystals for fun and pyromania....

Tags :fabrication chemestry pyromania

Mazeguy Dominoe Tricks (via) 2008-07-27 08:04PM

How to make cool domino tricks

Tags :toys

LED Cylinder (via) 2008-07-27 12:53PM

A cylinder of individually-addressible LEDs.

Tags :chip:atmega168 microcontroller:avr optoelectronics:led language:c

How to build a microphone (via) 2008-07-24 10:03AM

Making an inexpensive condenser microphone.

Tags :audio

Craft AVR Demo (via) 2008-07-22 12:05PM

One of the most impressive bits of AVR microcontroller work I've ever seen. Generates video and multi-track audio with a single 20MHz AVR chip. Oh yeah, and even does 3D graphics.

Tags :microcontroller:avr chip:atmega88 optoelectronics:vga

DIY Glowing Pushbutton Switches (via) 2008-07-17 11:49AM

I like arcade buttons. This would be quite cool.

Tags :fabrication optoelectronics:led

MAX6675 Thermocouple Project (via) 2008-07-14 11:58AM

Measures up to 1800 degrees.

Tags :chip:max6675

Charlieplexing LEDs (via) 2008-07-12 10:29AM

Running tons of LEDs off of very few pins on a microcontroller

Tags :optoelectronics:led algorithm:charlieplexing

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