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Johnny

Aussie who enjoys all things EE.

Melboune, Australia.
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29 Followers
6 Following
11 Projects
281 Likes
johnny
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This user joined on 05/17/2014.

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CCHS - Melbourne Hackerspace
28.5k
399
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A Touchless Gesture Mains AC Dimming Switch
Project Owner Contributor

Air Gesture AC Dimmer/Switch

JohnnyJohnny

24.1k
106
24
53
Modular nixie display board based on the soviet Russian IN-12A cold-cathode tubes.
Project Owner Contributor

Modular Nixie Display

JohnnyJohnny

21k
78
10
36
(Plotly has stopped support) A $6 Wireless Real-time Data Logger/Grapher
Project Owner Contributor

plotly + ESP8266

JohnnyJohnny

35.8k
80
16
32
Upgrades to 3040Z-DQ
Project Owner Contributor

3040 CNC Milling Machine Mods

JohnnyJohnny

3.6k
498
32
23
USB MSD Bootloader for PIC Microcontrollers
Project Owner Contributor

USB μC - USB PIC Bootloader

JohnnyJohnny

12.8k
46
35
10
(Plotly has stopped support) A Wireless Real-time Data Logger/Grapher
Project Owner Contributor

plotly + Arduino + ESP8266

JohnnyJohnny

View all 11 projects

19.9k
440
36
129
A digital clock built with Diode-Diode Logic (DDL), a quirky new logic family using only common diodes and passive components.
Project Owner Contributor

The Diode Clock

Ted YapoTed Yapo

19k
533
137
271
Post the gig/ job/ project you want or offer in the comments
Project Owner Contributor

Jobs Board

Sophi KravitzSophi Kravitz

18.7k
135
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137
In the 1980's, you had to know programming to use computers. They were used for... guess what? Computing! Want to see how it looked?
Project Owner Contributor

Badge for Hackaday Conference 2018 in Belgrade

Voja AntonicVoja Antonic

16.3k
132
19
159
... is designed for direct drive wheels for swarm robots
Project Owner Contributor

PCB stepper motor

bobriciusbobricius

13.8k
112
11
88
A Pi emulating a GameBoy sounds cheap. What about an FPGA?
Project Owner Contributor

VerilogBoy - GameBoy on FPGA

Wenting ZhangWenting Zhang

10.7k
61
10
42
A portable device that logs a snippet of your heart at the push of a button.
Project Owner Contributor

Heartbeat Logger

Ole Andreas UtstumoOle Andreas Utstumo

8.7k
1.1k
0
38
Re-configurable Sub-1GHz RF remote control with BLE & USB. Can receive, transmit & analyze RF spectrum.
Project Owner Contributor

GollumRF: Sub-1GHz RF hacking tool

trollwookieetrollwookiee

8k
169
4
111
good looking and clever 4-legged robot
Project Owner Contributor

Dizzy Wolf

MishaMisha

5.9k
64
8
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A 2-part bicycle powermeter. Swap between bikes without tools in 5 seconds.
Project Owner Contributor

Bike Powermeter

rock-o-matrock-o-mat

4.2k
35
9
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A simple board, driving 2 nixies from discrete transistors and an Atmega8.
Project Owner Contributor

Low cost dual Nixie Driver

Thomas FlayolsThomas Flayols

3.8k
699
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16
Matching the performance of an overmolded strain relief using 3D printing and flexible filaments
Project Owner Contributor

3D Printed "Molded" Strain Relief

Alex RichAlex Rich

3.5k
54
15
42
It's cheap, doesn't use a specialized heart rate AFE and can blink LEDs with your pulse :)
Project Owner Contributor

uECG - a very small wearable ECG

KseniiaKseniia

3.2k
12
2
20
A thermocouple amp breakout board for interfacing with uC built around LTC2053 instrumentation amp and LT1025 cold junc compensator.
Project Owner Contributor

Thermocouple amplifier for arduino and other MCU

Aditya MukherjeeAditya Mukherjee

2.3k
30
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44
Press the button to momentarily disconnect a USB device
Project Owner Contributor

USB Interruptor

Paul StoffregenPaul Stoffregen

1.4k
14
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A Wrist Watch version of my BCD Binary Clock!
Project Owner Contributor

BCD Binary Wrist Watch

TobiasTobias

806
3
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USB-CDC Serial port for PIC18F, in under 1KiB. Refactored down from a USB-DFU bootloader, hand written in assembler to be light and fast
Project Owner Contributor

MicroPort

JesseJesse

755
14
3
19
Simple SPI flash adapter / breakout in Micro SD shape
Project Owner Contributor

SPI flash to Micro Sd adapter

bobriciusbobricius

521
95
0
12
Ring that uses small LED display to display messages and animations.
Project Owner Contributor

LED Ring

MileMile

View all

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