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KJoh

Retired EE and PM. Maker, dabbler.

Canada
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3 Followers
4 Following
5 Projects
33 Likes
  • Projects 5
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  • Pages 1
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  • Following 11
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  • Bits 3
kjoh
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This user joined on 03/16/2015.

My Projects

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The classic HP-16C Programmer's Calculator, re-imagined using the Raspberry Pi Pico
Project Owner Contributor

The Pico 16C, an homage to the venerable HP-16C

kjohKJoh

480
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The PCB I made to refine my 16C emulation project provided an opportunity to extend its capabilities in new directions.
Project Owner Contributor

An HP-16C or a Baldur's Gate 3 Macro Pad? Yes.

kjohKJoh

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A fairly beefy quadcopter based on the arduino mega 2560, xbeam.
Project Owner Contributor

Yet another quadcopter (YAQC)

kjohKJoh

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I had an uno that was busy doing other things, so I figured, why not build one?
Project Owner Contributor

Yet another breadboard arduino (YABA)

kjohKJoh

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A basic small-as-possible IoT device, watching the house.
Project Owner Contributor

A basic IoT device

kjohKJoh

My Pages

  • My pyLCI implementation

    11/13/2016 at 22:30 • 0 comments

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Things I've Built

Logitech wingman to usb i/f

Used an arduino uno, and wrote a sketch in Processing to display the o/p.

PC power supply converted to a bench supply

Breadboard arduino

Projects I Like & Follow

99.4k
1,389k
76
2.2k
Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

lutetiumLutetium

  • The 2015 Hackaday Prize
54k
326
47
204
Custom designed breadboard computer (BBC!) with bespoke programming language, full graphics, sound and SD card storage.
Project Owner Contributor

65c02 Homebrew Computer on breadboard

6502nerd6502Nerd

  • The 2017 Hackaday Prize
43.5k
1.8k
82
503
RepRap HELIOS is a highly printable SCARA 3D printer. It has an outrageous print area and can print on almost any flat surface.
Project Owner Contributor

RepRap HELIOS

nicholas-sewardNicholas Seward

28.2k
537
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MADspace Advanced Robotics System: Open source 3D printed Mars rover
Project Owner Contributor

M.A.R.S.

guus-van-der-sluijsGuus van der Sluijs

  • The 2016 Hackaday Prize
14k
460
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Makes Raspberry Pi accessible, portable and easily configurable.
Project Owner Contributor

pyLCI - Linux Control Interface

aryaArya

  • The 2015 Hackaday Prize
8k
61
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Gather power data from the breaker panel and beam it to a Raspberry Pi for storage and web serving
Project Owner Contributor

Home Power Usage Monitor

drew-yenzerDrew Yenzer

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552
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This alarm clock has no pity and can't be fooled - it won't shut up till you get up.
Project Owner Contributor

Merciless Pi Alarm Clock

hberg32hberg32

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11
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A telescope mount controller using PERSEUS-9 and it displays the coordinate system of a homemade telescope equatorial mount.
Project Owner Contributor

Telescope Mount Controller using PERSEUS-9

mitsuru-yamadaMitsuru Yamada

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HackADay needs an app... and I want to build it.
Project Owner Contributor

HackADay App

georgeburrowsgeorge.burrows

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A 64K Z80 computher that you cand build by yourself only with perfboards, wires and some components
Project Owner Contributor

The Homebrew Handwired Z80 Computer - H2Z80

jorisclaytonJorisclayton

27
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how much sound can we crank out of tiny arm-mounted speakers?
Project Owner Contributor

tinyMonitor: an arm-mounted speaker.

tshen2tshen2

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Mitsuru Yamada wrote 01/24/2024 at 01:28 • point

Thank you liking my #Telescope Mount Controller using PERSEUS-9! Astronomy and computers have been my hobbies for over 40 years. This time I have combined both of them to create something of a practical level in my own way.

  Are you sure? yes | no

KJoh wrote 02/05/2024 at 20:13 • point

Yes, I have a budding interest in automating telescope mounts, while at the same time having great admiration for your beautiful project enclosures (in this and your other projects).  Best regards,

Ken

  Are you sure? yes | no

Mitsuru Yamada wrote 02/06/2024 at 06:11 • point

Thank you. I always try to design enclosures that will still be usable more than 10 years from now.

  Are you sure? yes | no

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