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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

Hackaday Prize 2019

Loko is the 12 gram GPS tracker with extreme battery life.

Loko-the Tiniest GPS tracker with 270 days battery

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

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

2021 Hackaday Prize

Controlling modern hardware in style.

Retro home automation controller

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

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

MicroPython powered 3D printed drawing robot

TurtlePlotBot v3

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

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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