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David Kasai

I am a DIY Geiger Counter builder/designer, with 35 years of graphic design, and technical illustrator experience.

West Covina, California

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This user joined on 12/02/2015.

Things I've Built

Arduino Based Geigers

Since 2011, I have built and sold over 150 DIY kit based geiger counters and accessories.

Projects I Like & Follow

The 2015 Hackaday Prize

A polarimetric imager to locate landmines, detect invisible pollutants, identify cancerous tissues, and maybe even observe cloaked UFOs!

DOLPi - RasPi Polarization Camera

david-prutchi David Prutchi

The 2015 Hackaday Prize

Creating home automation sensors and controllers that can be used around the house forming a mesh network for communication

Home automation using RF mesh network and arduino

Led Panel of ws2812b led's driven by a esp8266. With lithium battery's to make it portable, and an android app to keep it controlled

Led Shirt - ESP8266 - WS2812B

willem-wouters Willem Wouters

Using Wine emulator to run a instance of VMware vSphere Client on Mac (or Linux)

VMware vSphere Client on Mac

leo-mahdessian Leo Mahdessian

[DISCONTINUED] An inexpensive bluetooth music system for cars with lacking stereos.

carbt_v1

Retrofitting a Raspberry Pi in to an old Radio Shack Robie Junior robot.

Project Robie Rover

mike-skovgaard Mike Skovgaard

This is a simple project that we created in the last year to teach teens about Android, Arduino and robotics.

Line Follower Robot with Android and Arduino

aron-bordin Aron Bordin

The 2015 Hackaday Prize

A UV monitor which helps prevent UV-caused skin damage.

Sunburn Monitor

The 2015 Hackaday Prize

This is a phase frequency detector based using NXP 74aup2g57gm.

NXP Phase Frequency Detector

shane-kirkbride shane kirkbride

A simple java tool that converts text (ASCII ART) from a provided file into printable statements for various languages (java, python, etc).

PrintSCII

taibhse-designs TAIBHSE DESIGNS

Teens and kids love Iron Man too! This Reactor is just 2.5" dia. x 1" thick. Uses Piranha LEDs, 3 light zones & and sync-to-music Pulsing.

Wearable Arc Reactor 3 Jr.

Friend of mine who's always forgetting his keys asked for a way to unlock his bike, key-less code-less // Arduino, BT, CNC

PhiLOCK bluetooth bike lock & share

Heated bed for Delta 3D Printers with round plate.

Heated Bed for Mini Kossel 3D Printer

alpha-charlie Alpha Charlie

In today's world, most of us could use a little more slack. Find it with this neurohacking tool.

Source of Slack

This project is an overview and statistical analysis of various entropy sources available on the Arduino platform.

Analysis of Arduino Entropy Sources

Mechanical Advantage

A very small microcontrolled RGB led circuit.

Wedding LED doodads

Your Daily Computer Science + Engineering News Fix

Refried Bits

An electronic sign that I got from a train that was being sold by parts which shows the song you're currently listening to

Last.fm enabled electronic sign

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Bits