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TheStumbler

Into electronics since junior high, am a Rambling Wreck, a Ham radio geek, and still loving electronics after 30 years!

South Korea

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This user joined on 07/26/2019.

My Projects

Documenting my crazy idea of making a fire resistant enclosure out of Aluminum and tempered glass.

Another 3D Printer Enclosure

I'm going to squeeze a Commodore C64 satellite tracking system from 1987 into something the size of a bar of soap

Bar of Soap Satellite Tracker

Projects I Contribute To

A chill for the Writing Staff

Hackaday Writing Crew

Projects I Like & Follow

HP95LX brain transplant

HPi95LX

A minimal 6502 computer that can be programed machine language without PCs

6502 standalone computer

Graphics the hard way; life doesn't have to be this difficult !

VDM3, Vector Drawing Machine #3

USB keyboard approximately the size of three pennies in a line

The Smallest Keyboard

TEC.IST TEC.IST

2021 Hackaday Prize

World first Raspberry RP2040 PICO - QWERTY & IPS devkit

PICOmputer

Open source, compact, high performance, FOC based BLDC motor control

moteus brushless controller

Simple but powerful, multitasking menus for Micropython, using a little display board and a rotary encoder.

Menus for Micropython

Bringing a vintage DIY binary counting computer back to life

Restoring the TRANSBINIAC computer

This emulator allows communication with I2C devices by sending or receiving data to/from the I2C bus through a PC.

I2C Master Mode Emulator

Dilshan Jayakody

Instructions for a simple DIY emergency power supply using PV

DIY emergency power system - a field report

over-engineering what should be a simple device

A Digital Real Time Clock

Connecting multiple keys to microcontroller's analog input may require complex set of resistors. Using current mirror simplifies things.

Two-Wire Matrix Keypad to Analog Input

Lauri Pirttiaho

2021 Hackaday Prize

Controlling modern hardware in style.

Retro home automation controller

Goal is to simulate a lunar landng and take off with the LEGO Lunar Lander

Animatronic LEGO Lunar Lander

New motors, grblHAL controller + Motöri the Plotter

C.ITOH CX-6000 plotter upgrade

I made this sketch to test analog/digital IO pin for everyone, don't bother to write lengthy C program!

Ready-to-use Arduino Sketch for I/O Testing

Athaariq "Eric" Ardhiansyah

MicroPython powered 3D printed drawing robot

TurtlePlotBot v3

Microcontrollers have a limited number of IO pins. This design uses an addressable MUX circuit to add multiple inputs.

Synth Design System - Addressable MUX Circuit

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