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John Evans

Software developer and hardware enthusiast. I love building high fidelity audio systems, writing code and designing circuits

Jacksonville, Florida

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This user joined on 02/01/2016.

My Projects

The 2018 Hackaday Prize

A system designed to be easy to build and setup. Uses two $20 webcams and open source software to provide accurate eye tracking

Low Cost Open Source Eye Tracking

Projects I Like & Follow

Official Hackaday Prize Entry

Automation framework based on wireless Moteino nodes.

The Moteino Framework

Low cost ventilator for standalone use during the Covid-19 pandemic

Low Cost Ventilator

A switch for a Dahlander dual speed asynchronous 3-phase motor based on a finite state machine implemented on Arduino

Arduino-based Dahlander switch

jean-noel.simonnet

The Atmel AVR mcus are just fast enough to generate black and white, NTSC, sync and image content. TVs are cheap LCDs!

NTSC Video on Atmel Mega644/1284

The 2015 Hackaday Prize

Preterm infants come in lots of different sizes. Nasal CPAP cannula come in few sizes. Read on to see if we can 3D print a solution.

Individualised nasal CPAP cannula for preterm kids

The Arduino Bluetooth Smart Car has the function of Complete tracking, obstacle avoidance, infrared remote control and so on.

Installation of Bluetooth MultiFunction Smart Car

Simple resource monitor using a HD44780 display and ATMega32u2 communicating to the computer with a RawHID protocol

Resource Monitor

A Teensy development board which includes a ESP8266 and Lipo charger.

Foofy Weensy - Teensy + ESP8266

Stephen Edwards

The 2015 Hackaday Prize

The most advanced, affordable and approachable (easy to use) STEM education and DIY platform with focus on robotics and automation/IoT.

STEMCA Inventor - STEM Education and DIY Amplified

Marius Slavescu

The 2018 Hackaday Prize

Portable, simple and inexpensive test to alert diabetics to elevated levels of Ketones, without the need for blood or urine testing.

Meter to Monitor Ketoacidosis Via Breath

Official Hackaday Prize Entry

Control per-pole LED lighting in a grand space

Wide Area Light Grid

Packet IR for AVR at 4800 baud, with less than 0.1% packet loss at 3 m.

Infrared serial link for AVR

The 2015 Hackaday Prize

Digital class D amplifier that accepts i2s input and provides speaker and headphone output. For sale on Tindie.

TAS2521 Digital Audio Out Flex Module

Official Hackaday Prize Entry

A bluetooth headset designed to maintain your connectivity and humanity when interacting with those around you.

earWorm: Socially Responsible AR

DIY 3D Printing with Universal Paste Extruder, CNC and Laser Engraver

HelloPrinter

hello3dprintingworld

Raspberry Pi and Arduino sensor interface.

B3SI - Space balloon/Robot Sensor Interface

Official Hackaday Prize Entry

It will be a bot that will look like the arachnid space bug from starship troopers.Initial version is remotely controlled then to Autonomous

Alien bug pet

Using an Arduino Mega, controls up to 8 24vac sprinkler valves based on soil moisture sensors.

Irrigation Controller

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