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Retro Timer

AVR based digital timer with retro CNC aluminum case.

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CNC Joystick

CNC joystick controller built with arcade parts and powered by an AVR with software USB implementation.

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Liquid Monitor

AVR based liquid temperature and flow rate monitoring with Nokia color LCD display.

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Game Show Buzzer

Game show buzzer with strobe lights and 120V buzzer controlled by AVR.

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Wake On LAN

An AVR circuit to generate Wake On LAN packets to turn on computers remotely over a local network.

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AVR Programmer

A simple USB AVR ISP programmer based on the OD AVR Doper.

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Inductance Meter

AVR based inductance meter with LCD display built into an Altoids tin.

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RGB LED Circuit

AVR based RGB LED controller circuit with multi-color seven segment displays.

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Recoil Gun

After reading 1UP’s account of using Dave Widel’s hack to have recoil in Terminator 2, I wanted a way to have recoil in other gun games. At this time, I believe MAME does not provide any support for recoil or force feedback. So I decided to build a circuit that would work with most gun […]

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Rotary Interface

AVR based rotary interface to connect LS30 type rotary joysticks to a keyboard emulator.

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