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Joshua Brewster

Trying not to freeze to death in Alaska

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This user joined on 12/06/2019.

My Projects

Brain Blood-Flow Biofeedback meets affordable IoT!

HEGduino

joshua-brewster Joshua Brewster

Things I've Built

RF projects

I helped design and build circularly polarized (as well as dipole) HF antennas as well as an ELF detector using a lock-in amplifier. https://alaskit.net is a startup I like to work with.

HEGduino

I produced an ESP32 kit for a neat little biofeedback device that lets you monitor and control the blood flow in specific regions of your brain. https://crowdsupply.com/alaskit/hegduino

Projects I Like & Follow

The 2017 Hackaday Prize

HeartyPatch is a fully open-source, IoT connected, BLE enabled heart-rate variability & ECG patch with great accuracy

HeartyPatch: A single-lead ECG-HR patch with ESP32

ashwin-k-whitchurch Ashwin K Whitchurch

The 2016 Hackaday Prize

3D Printed components and other hardware to make a PCB routing machine, which inherently can do other things.

3D Printed PCB mill

Science in your hand. A pocket-sized instrument capable of visualizing and exploring the world around you. (Iteration 8)

Iteration 8

peter-jansen peter jansen

Use a Kodak projector and DSLR camera to automate digitizing slide photography

Kodak Slide Projector Scanner

bryan-howard Bryan Howard

The 2015 Hackaday Prize

An arduino based oscilloscope capable of ~150kS/s

small-scope

The 2018 Hackaday Prize

Zn-Cu stomach acid based bio-galvanic cell powers a hacked activity tracker small enough to swallow and reconfigured as a 'smart pill'.

Stomach Acid Powered Smart Pill

curt-white Curt White

This is a demo project for my Bluetooth Low Energy Mesh Protocol using a simple nRF51822 based board

Bluetooth Low Energy Mesh Protocol

tim-wilkinson Tim Wilkinson

Too simple for a project page & which may never happen.

Silly hardware wishlist

lion-mclionhead lion mclionhead

A five stage CPU core based on the MIPS instruction set

32 bit MIPS CPU

reed-foster Reed Foster

Adding a Flask web interface (and other stuff) to the Google AIY Voice Kit.

VoiceBox

The 2018 Hackaday Prize

Unique, compact power conditioning enables always-on sensor monitoring and Long-Range radio (LoRaWAN) link for IoT applications.

SoLoRa - Solar Powered always-on IoT sensor node

joe-miller Joe Miller

Using the MAX30100 integrated heart rate monitor and pulse oximeter for a wrist-worn heart monitor

Arduino Pulse Monitor and Pulse Ox with MAX30100

orlando-hoilett Orlando Hoilett

The 2018 Hackaday Prize

An IoT Air Freshener, using some 3D printing, a NodeMCU, Arduino IDE, IFTTT and Adafruit.IO. Configure your own triggers and have fun!

IoT Air Freshener

A mixed reality shooting gallery using virtual reality tracking hardware.

Mixed Reality Room Scale Shooting Gallery

richard-hogben Richard Hogben

A very simple yet effective way to make your own NFC Ring. Merging organic and tech.

NFC Bentwood Ring

sean-hodgins Sean Hodgins

TIRO (Time is Running Out) is a watch that vibrates every few minutes to remind the user that time in this world is quickly running out.

TIRO Vibrating Watch

AccidentalRebel

Hackaday Prize 2019

Open source visual aid platform

OpenEyes

cristidragomir97

The project to introduce how to use Docker Pi series of Sensor Hub board about IOT by Microsoft Azure

Docker Pi series of Sensor Hub board about IOT

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