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Johan

Just muddling along to the best of one's limited abilities

Pretoria, South Africa

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This user joined on 06/12/2020.

My Projects

A flipdot display for displaying water levels, incorporating lessons learned over three years

Improved printed passive pixel pole project

Circumventing the perpetually flat battery syndrome on a cheap Chinese caliper

Solar calipers

A vertical array of magnetic flipdot pixels as a non-contact water level indicator

Passive Pixel Pole Project

A tipping-bucket rain gauge for real-time remote monitoring of precipitation

A Proper Printed Precision Pluviometer

Of filters, flows, and face masks

Vacuums suck

Projects I Like & Follow

Follow for the 'Hacklet' and latest news about hackaday.io

Hackaday.io Project

A Raspberry Pi based automated grow controller for medical marijuana.

Autoflower

greasy-nichols Greasy Nichols

Single rotor, "human-safe", selfmade ball-drone with air vanes for position control

The Ball-Drone Project

benjamin-prescher Benjamin Prescher

The 2016 Hackaday Prize

I want to look at control methods for swarms that can be adapted to problems in the real world.

Drone Swarm Control Algorithms

gene-foxwell Gene Foxwell

Goal: Create a syringe pump to feed material to the Moineau Extruder or the Oogoo Mixer.

Syringe Pump

Slide this Japanese style hand plane along any rough corners to give them a clean chamfer (AKA beveled edge). Uses a standard razor blade.

3D Printed Chamfer Tool

alex-rich Alex Rich

The 2017 Hackaday Prize

A toe nail clipping station to support your foot, position a pair of heavy duty nail clippers and cut your nails without bending over.

'If you can't reach your toes' nail clipper

Random user uploads become my alarm clock each day at 7 AM.

Wake Me! - Crowdsourced Alarm Clock

greg-kennedy Greg Kennedy

A simple project using avr-libc and some cheap peripherals to implement a clock which counts down to a major life event.

My Half Life Clock

mark-vandewettering Mark VandeWettering

A digital wind up music box that sounds and work like a traditional wind up music box

Digital Wind Up Music Box

richard richard

Unique tool and desktop or wind sill trinket to alert when the ISS is overhead.

3D Printed ISS desktop beacon and IFTTT notifier

The 2016 Hackaday Prize

In this project, we aim to construct a comfortable wearable system that protects elders against fall-related injuries.

Embrace Solutions

The 2017 Hackaday Prize

PATA(IDE) Hard Disk MP3 Music Player Source Code

PATA(IDE) Hard Disk MP3 Music Player

Cheap Current Meters + DAC + PIC + RTC + LEDs = Neat Desk Clock!

Analog Meter Clock

sjm4306 sjm4306

A clock that uses 3 stepping motors to move shapes that indicate the time.

Clock

Hackaday Prize 2019

This is a 2-part disaster analysis system that helps in analyzing a calamity after it has occurred, helping in formulation of recovery plans

Post Disaster Management and Surveillance System

shlok-jhawar Shlok Jhawar

This project started out as an LED clock for my kid, but quickly evolved into just a cool interactive light-show that they could enjoy.

Interactive Neopixel "Clock"

kevin-claytor Kevin Claytor

Bits