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Greg Zumwalt

Retired but still enjoy learning.

Oklahoma

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This user joined on 02/05/2019.

My Projects

Because two hummingbirds are better than one.

Hummingbirds.

A tutorial on parametric designing with Autodesk Fusion 360.

Designing a Parametric "Print in Place" Hinged Con

With the exception of the motor and power supply, Darth is a 100% 3D printed automata of Darth Vader.

Darth

An update to my five year old walking pumpkin design.

Walking Pumpkin II

Created for and named by the grandkids, this model is a vertical stack update of my original horizontal stack domino machine.

Pink and Green Domino Machine II.

This "pin walker" mechanism, along with the previous Ultimaker Robot pin walker mechanism, was a study in small 3D printed parts.

Halloween Happy Ghost Pin Walker

View all 9 projects

Things I've Built

Single Cylinder Air Engine Rolling Chassis

This was an experiment in how far the air engine I had previously designed would propel an open chassis vehicle using balloon power. Ran 50 feet on concrete.

Wifi Paddle Boat

A pool toy I designed for the grandkids.

Fab Lab Tulsa 1 (FLT1)

Fab Lab Tulsa asked me to design a boat for their boat race challenge, and I gladly accepted!

Hummingbird

An animated Hummingbird I designed for my wife, who loves hummingbirds.

Darth

Animated / exploding Darth Vader model.

Projects I Like & Follow

The 2017 Hackaday Prize

FREE and Open Source, Arduino Due based Telescope Control GOTO

rDUINOScope Boiana

Dessislav Gouzgounov

Breaking the encryption on the Lerdge series mainboards so I can try porting Marlin 2.0 to it.

Lerdge 3d Printer Mainboard Hacking

Get high-resolution 3D printing by building your own.

Laser SLA 3D printer with galvo

Instead of showing the time like in classical type of clock with the hands or numbers, it shows you a time by displaying the text

Word Clock base on RGB LED WS2812B

Replace the bimetallic thermostat with a few microcontroller based thermostats to control the combi boiler.

Multi Zone Wireless Thermostat

Jose Maria Rodriguez Saez

The EVI is at-risk of becoming extinct. Explore the development of a DIY EVI Windcontroller for survival of this great instrument

DIY EVI-Style Windcontroller

The 2018 Hackaday Prize

Universal 3D printed gripper for robotics.

Modular Universal Jamming Gripper

Week of Arduino

Arduino Skillz

The ARM cores on the DE1-SoC have a AXI-Avalon bus connection the FPGA VGA controller. How fast can we make it go?

FPGA SoC ARM-VGA graphics

Tiny IOT Solution based on Arduino& SIM808 GPS/GPRS

IOT- SIM808 GPS Tracker Based on Arduino

The 2018 Hackaday Prize

UNMANNED GROUND VEHICLE, Compatible with Arduino

M1 Rover

Simple ESP32-based robot controlled with ESP8266-based wifi remote

Robo32

Experimenting with 3D printed tools.

3D Printed Opensource Tools

Internet enabled lock for main door

IoT Main Door Lock

daniel.blanquez

The 2018 Hackaday Prize

Using an Wemos D1(esp8266), cheap power supply, a switch, and a temp sensor you can automate anything

Home Automation on the Cheap V2

The 2018 Hackaday Prize

PCB Badge, with ESP8266 microcontroller (ESP-12) with WiFi, 5 directional Neopixeles.

Oshwi, the octopus IoT Badge

Gustavo Reynaga

A seven segment LED display clock, immersed in mineral oil.

JAR Clock

A BCD binary clock that fits inside of a jar

Binary desk USB jar clock

View all

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