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Steve Johnson

Medical device engineer / applied mathematician, now retired. Playing with Arduino/ATtiny, RPi

Southern California

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This user joined on 05/11/2020.

Things I've Built

Instructables: Exploring Color Space

https://www.instructables.com/id/Exploring-Color-Space/

OSU Hexapod Vehicle

As a grad student, built A/D and D/A subsystem, and developed interface drivers, for use connecting computer gear to a hexapod vehicle at Ohio State University.

Sonoline Ultrasound

Software architecture for control of hardware subsystems. Provably correct software design. Hardware abstraction layer. Design for testing. Software validation.

AIMS

Anesthesia Integrated Monitoring System

Projects I Like & Follow

A dual head PNP machine that uses Openbuilds hardware, a Smoothieboard controller, dual camera vision, automatic/drag feeders, and OpenPnp

Pick and place machine - Smoothieboard/OpenPnp

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

Silly hardware wishlist

lion-mclionhead lion mclionhead

1/2 Watt stereo audio amplifier with extra gain and loudness control.

LM386 stereo audio amplifier

carbonosilcio carbono.silício

Driving controller-less graphics LCD with Arduino

Arduino CLGLCD

Hackaday Prize 2019

Convert FPV racing drone into an interceptor using Raspberry Pi

Open Source Air Defense

ray-patel Ray Patel

Miniature rocket laucher that looks like the models from Warhammer 40k. It is controlled by an Iphone and can fire up to 10 real rockets.

Miniature Warhammer-40k-style Rocket Launcher

daniel-l Daniel L

The 2018 Hackaday Prize

Have some old phones lying around? Thinking what to do with them? Here's how you can use them.....!

Convert your old phone into a remote switch

vishwas-navada-b Vishwas Navada B

Hackaday Prize 2019

A graphic equalizer that fits in your pocket!

Mini Audio Equalizer

grant-giesbrecht Grant Giesbrecht

A project for my grandchildren to first build line-following robots then convert them to being controlled by their phones and tablets.

IP control for inexpensive line following robots

2021 Hackaday Prize

Designing a Servo Motor Based Mallet System to Generate Musical Expression in Instrument Playing Robots

Bot-thoven: A Robot Musician

jason-p Jason P.

Hackaday Prize 2019

When a magician rotates his magical wand and says 'Abracadabra', magic happens! This IoT Magical Wand project is inspired by this.

IoT Magical Wand

dixon-selvan Dixon Selvan

Making an accessory using MXChip IoT Dev Kit. It is a versatile board with many sensors. It can use Azure functions and be trained. WIP

MXChip IoT Dev Kit

artbyphysicistkitty

Real Hardware Sega Genesis VGM Player

MegaGRRL Desktop

natalie natalie

The Icarus is a FeatherWing-compatible (Feather) board with the nRF9160, made for easy cellular IoT development.

Icarus IoT Dev Board nRF9160 (LTE-M, NB-IoT, GPS)

Hackaday Prize 2019

Ring that uses small LED display to display messages and animations.

LED Ring

How I built an Arduino energy monitor and data logger to collect energy data for different loads and plotted that data using Excel.

Building an Arduino Energy Monitor & Data Logger

sridhar-rajagopal Sridhar Rajagopal

The 2018 Hackaday Prize

Atari Punk Console on a square 1-inch PCB

Firefly v1

anas-raza-khan Anas Raza Khan

A small breadboard compatible byte made of LED's.

LED Byte

miguel-reis Miguel Reis

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