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sjm4306

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

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3 Following
38 Projects
916 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 38 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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Very easy to repeat and inexpensive pocket-sized DIY thermal imager
Project Owner Contributor

DIY pocket thermal imager

RuslanRuslan

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Freedom at your fingertip.
Project Owner Contributor

PolyKybd (Displays In Your Keycaps)

thpollthpoll

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The project describes the construction and operation of flip-disc displays. It also shows a simple way to control them via Arduino.
Project Owner Contributor

Flip-disc Display - How it Works & How it is Built

Marcin SajMarcin Saj

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Shooting for 10 sec/year accuracy with an ATmega and software-based, temperature-aware frequency correction
Project Owner Contributor

Remarkably Accurate Quartz Clock

GaborGabor

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Two channel SERIAL POV led display.
Project Owner Contributor

Dual Channel POV display

Daniel RossDaniel Ross

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Library for Noritake Itron GU3000 series (GU3100 and GU3900) VFD module parallel interface graphic DMA mode for Raspberry Pi
Project Owner Contributor

Graphics Library for Noritake Itron Dot Matrix VFD

Ryo MukaiRyo Mukai

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all magic is in XTSD chip, but PCB is usable as uSD breakout
Project Owner Contributor

DIY custom uSD card module

bobriciusbobricius

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or: How I Learned to Stop Worrying and Love the Quaternions
Project Owner Contributor

IGV1-16 Car Compass

Kevin Santo CappuccioKevin Santo Cappuccio

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DIY thermal imaging monitor based on ESP32-S3 touch display and MLX90640
Project Owner Contributor

DIY ESP32-S3 Thermal Imaging Monitor

Maker-fabs-JMaker-fabs-J

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SUMP/OLS compatible logic analyzer firmware for RP2040 boards
Project Owner Contributor

μLA: Micro Logic Analyzer for RP2040

Vitaly DomnikovVitaly Domnikov

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Galagino brings the Pac-Man, Galaga and Donkey-Kong arcades in perfection onto the ESP32
Project Owner Contributor

Galagino - ESP32 Arcade

Till HarbaumTill Harbaum

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Open source N64 rom cart based on PicoCart64 and using 2 rp2040 mcus
Project Owner Contributor

Dreamdrive64

Kaili HillKaili Hill

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A precise thermometer with SCPI capability
Project Owner Contributor

SCPI Thermometer

SebastianSebastian

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An advanced lithium battery charger and powerbank with a SSD1306 OLED display based on the BQ25896 IC and ATMEGA32U4 MCU.
Project Owner Contributor

BQ25896 ATMEGA32U4 Lithium Battery Charger

Ratti3Ratti3

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Raspberry Pi Pico multi tasking library under Arduino IDE
Project Owner Contributor

PicoSem - dual core library for Pi Pico

IWILZIWILZ

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Standalone Infrared Remote Decoder Capture the commands from your existing infrared remote control.
Project Owner Contributor

Standalone Infrared Remote Decoder

remotemod328remotemod328

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5A Adjustable DC to DC Buck Converter
Project Owner Contributor

5A-35V Adjustable Switching Power Supply

hesam.moshirihesam.moshiri

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An attempt to solve my 18650 cell charging and maintenance issues
Project Owner Contributor

Low BOM cost 4-cell 18650 Charger

MakerIoT2020MakerIoT2020

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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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