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drsamgreen

Retired Aerospace Engineer specializing in optical communications

Saint Louis Missouri
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drsamgreen
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This user joined on 01/06/2021.

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DMM hack adds fine analog resolution so you hear rising voltage as a rising audible pitch and allows eyes-off monitoring
Project Owner Contributor

Ultimate DMM Hack Adds Audible Analog Resolution

drsamgreendrsamgreen

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This note describes a hack to a laser target that lights up for a short time in response to light pulses from laser bullets. The hack adds f
Project Owner Contributor

Gunshot Sounds from 2nd Generation CheapShot Laser

drsamgreendrsamgreen

Things I've Built

Hacked CenTech Digital Multi-Meters to provide audible pitch proportional to displayed magnitude

Mailbox Alarm

Uses UHF transmitters and receivers controlled by ATtiny85 CPUs to notify whenever mailbox door opens/ closes. Also extends doorbell and signals when doors open/close.

Sweep Generator System

DDS RF source, ADC, DAC, And logarithmic RF detector under computer control

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Follow for the 'Hacklet' and latest news about hackaday.io
Project Owner Contributor

Hackaday.io Project

lutetiumLutetium

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Robotic Exoskeleton for Grip Enhancement and Stroke Rehabilitation
Project Owner Contributor

BEOWULF

chad-paikChad Paik

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Implemented a radio stream recorder with a Raspberry Pi. Show how to find stations, schedule recordings, move files and edit audio files.
Project Owner Contributor

Radio Stream Recorder

alan-campbellAlan Campbell

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Increase the Color Gamut, Primary color purity and make stunning vivid and accurate LCD monitor with RGB LEDs. Inspired from Dolby PRM-4220.
Project Owner Contributor

Wide-Gamut monitor with 5050 RGB LED mod.

thomas-chanon-wangtriratThomas Chanon Wangtrirat

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Simple watt watt meter powered by Arduino.
Project Owner Contributor

Arduino Watts

yaroslav-zhilinYaroslav Zhilin

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A dime-sized, ARM-based Arduino complete with a programming/development system.
Project Owner Contributor

Tiny Arduino for Hackers

doctekdoctek

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Simple RPi 3 console running Retropie.
Project Owner Contributor

Raspberry Pi Console

lumorLumor

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Easy and Fun: Track objects with a Raspberry Pi, a camera and an Arduino in less than an hour!
Project Owner Contributor

Raspberry+Arduino CamTracker

marcelo-valeriaMarcelo Valeria

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i will show you simple step by step Guide for beginners and for whose never use GNU-RADIO Companion to make first real step
Project Owner Contributor

Build Your Own FM Radio Receiver Step by Step Guid

mwkMWK

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Take samples from an antenna, mounted to a robot that looks shockingly like a 3D printer, running slightly modified Marlin
Project Owner Contributor

Roll your own Radio Telescope/camera

alex-dickmanAlex Dickman

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