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sjm4306

Electrical Engineer specializing in embedded programming, digital circuit design, and power converter systems.

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62 Followers
7 Following
41 Projects
988 Likes
sjm4306
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This user joined on 07/07/2017.

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I've seen several tiny led matrices based around the diminutive sk6805-ec15 so I thought I'd throw my hat in the ring
Project Owner Contributor

Tileable Tiny 8x8 SK6805 RGB Matrix

sjm4306sjm4306

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A digital VU meter that looks and moves like an analog needle with mass and spring oscillations
Project Owner Contributor

Digital VU Meter with Analog Physics

sjm4306sjm4306

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Pretty much exactly what the title describes, can play 4 channels of polyphonic squarewaves at once triggered by 13 capacitive touch keys
Project Owner Contributor

Polyphonic Touch PCB Piano

sjm4306sjm4306

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I'm lazy and dont like to convert values in my head while programming or use windows calculator so I made a standalone widget!
Project Owner Contributor

Programmer's HBD Converter (Hex, Binary, Decimal)

sjm4306sjm4306

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I've been in a clock making sort of mood recently and I've seen tons of word clocks so I thought it was time to give it a try
Project Owner Contributor

Small Word Clock

sjm4306sjm4306

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You can never have too many clocks based on obsolete display technologies ...
Project Owner Contributor

Tiny IV-21 VFD Clock

sjm4306sjm4306

View all 41 projects

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or "flip dotters" if you want. Let's just talk about flip-dot/flip-disc displays and projects using them :-)
Project Owner Contributor

Dot flippers

yann-guidon-ygdesYann Guidon / YGDES

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A game of classic Simon fit (physically) into a single DIP-14 IC (attiny84) What's more difficult than surface mount? SUB-surface mount!
Project Owner Contributor

Sub-Surface Simon

alnwlsnalnwlsn

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Over-the-air broadcast nostalgia machine!
Project Owner Contributor

FieldStation42 - OTA TV Simulator

shane-c-masonShane C Mason

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A PCB business card that are a usb-c touch keyboard
Project Owner Contributor

Capacitive Touch Keyboard Business Card

ricardo-daniel-de-paulaRicardo Daniel de Paula

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Modern recreations of a 1898 21-segment display
Project Owner Contributor

SC-002

montemonte

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A 0.66" I2C OLED display as a Simple Add-on.
Project Owner Contributor

Mini OLED SAO

dehipudeʃhipu

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We have built a beautiful purple plasma ring and everything about it is open source.
Project Owner Contributor

Tokamak in Your Home: A Xenon Plasma Toroid

simon-liuSimon Liu

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A very minimalist handheld console powered by ATTiny10 MCU, featuring 10x7 vintage LED display
Project Owner Contributor

EMES - Epic Minimalist Entertainment System

michaelMichael

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An open-source super-tiny Tetris clone based on an attiny85
Project Owner Contributor

ATTINY Tetromino

franco-trimboliFranco Trimboli

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No explanation needed!
Project Owner Contributor

Etch sAo Sketch

andy-geppertAndy Geppert

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Binary clock based on electromechanical flip-disc displays.
Project Owner Contributor

Flip-disc Binary Clock

marcin-sajMarcin Saj

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A small digital multimeter specifically for measuring SAO related stuff
Project Owner Contributor

SAO Digital Multimeter

thomas-flummerThomas Flummer

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smart miniature 5x7 LED Matrix with SAO header
Project Owner Contributor

reDOT_RGB

alexAlex

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A DIY Gamebuino with a THT only PCB that allows easy soldering. The main focus of the project was to make it small and easy to make.
Project Owner Contributor

DIY Gamebuino with a neat PCB

tesseract-runnerTesseract-runner

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WALKPi is a Raspberry Pi Pico powered Audio Player which uses the DFMini Player to play audio files stored on SD Card
Project Owner Contributor

WALKPi Breadboard Version

arnov-sharmaArnov Sharma

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A Nixie bargraph tube IN-13 with driver PCB module which includes high-voltage DC-DC and control circuit.
Project Owner Contributor

IN-13 Bargraph Nixie Tube Driver

vladislavVladislav

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Open-Source Self-Loading Battery Charger Using the RP2040
Project Owner Contributor

SPINC - DIY Automatic NiMH Charger

maxkMax.K

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Attempting to build a cheap, thumb-operated mouse to sit below the spacebar.
Project Owner Contributor

Cheap Thumb Trackball

joshua-bemenderferJoshua Bemenderfer

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Touchwheel SAO for Hackaday Supercon 2024
Project Owner Contributor

TouchwheelSAO

todbottodbot

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Bharbour wrote 03/13/2023 at 16:52 • point

Thanks for Liking and Following my #Homebuilt LED Displays project. Looking at your projects, it looks like we have covered a lot of the same ground!

  Are you sure? yes | no

sjm4306 wrote 03/13/2023 at 17:16 • point

Thanks, yeah we've certainly got similar interests.

  Are you sure? yes | no

Ken Yap wrote 12/08/2022 at 14:47 • point

Thanks for liking and following #Modularnixie !

  Are you sure? yes | no

Mitsuru Yamada wrote 07/25/2022 at 13:29 • point

Thank you for liking and following my #PERSEUS-9 homemade mobile 6502 computer ! This is a synthesis of several of my projects so far and this is easy to use on my desk. I am continuing to evaluate its operation.

  Are you sure? yes | no

Michael Gardi wrote 06/03/2021 at 18:36 • point

Thank you for your interest in my Exploring Flip Dots project. 

  Are you sure? yes | no

Arya wrote 05/19/2021 at 19:56 • point

Hi, and thank you for the follow! Had to recreate the project page for my laptop LCD, sadly - follow it here: https://hackaday.io/project/179868-all-about-laptop-display-reuse

  Are you sure? yes | no

Michail Wilson wrote 02/03/2020 at 19:23 • point

Hello,

First, thanks for responding.

I am interested specifically the "Wifi Flip Clock/Youtube Counter"

  Are you sure? yes | no

Michail Wilson wrote 01/31/2020 at 22:25 • point

have you posted the files (gerbers, source, or anything).   I can't find them in any of your projects.  

  Are you sure? yes | no

sjm4306 wrote 02/03/2020 at 15:43 • point

What projects did you specifically check? For some of my projects they are under the Files section, but I'm still updating the rest of them.

  Are you sure? yes | no

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