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Sam Johnson

Engineer, problem-solver, hobbyist

KY, USA

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This user joined on 06/06/2025.

My Projects

DIY project to create an autonomous drone submarine, capable of basic navigation

Underwater Drone Submarine Torpedo

sam-johnson Sam Johnson

Things I've Built

Digital thermostat adapter

Kite Drone

Projects I Like & Follow

Released in late 2007 NAND Flash capacity was still very limited (4GB and 8GB MLC). But is it possible to replace the aging NAND Flash?

iPod Nano 3rd Gen MLC NAND Upgrade & Software Hack

hugo-melder Hugo Melder

Development of an open-source SONAR, echo sounder, fish finder using standard, easy-to-source components. DIYable and hackable.

a DIY open-source SONAR

jan-neumann Jan Neumann

Hackaday Prize 2020

Modular ROV for underwater exploration, discovery and monitoring

Aruna - ROV

noel-moeskops Noeël Moeskops

Will introduce 10 free PCB design software and analyze the features of each software

10 Best Free PCB Layout Software

2021 Hackaday Prize

Now in the 3rd iteration stage, this 3D printable single rotor drone with thrust vector control offers more safety and features than ever!

The Ball-Drone Project MK III

benjamin-prescher Benjamin Prescher

How to use the Anycubic Mega Pro laser addon with LightBurn

Anycubic Mega Pro running with LightBurn

ringo2k Ringo2k

Building a semi-practical backyard railway using parts from the local hardware stores, and 3D printing for the rest (for now)

Somewhat 3D printed backyard railway

DIY sonar with 24 channel receiver and active transmitter with 1 (up to 4) channel

Phased array sonar

A modern MCU-based hardware replacement for the venerable TMC1501 used in the Texas Instruments TI-57 LED calculator.

TI-57 Programmable Calculator Hardware Retrofit

Bringing a vintage DIY binary counting computer back to life

Restoring the TRANSBINIAC computer

This project presents a compact system capable of determining the direction and elevation of a sound source in real-time with Pi PICO

Acoustic Targeting Module for Tactical Drone

bertrand-selva Bertrand Selva

With support from Fisheries and Oceans Canada as a part of a co-op work term

Open-Source Shallow Water Glider

seth-fleming-alho Seth Fleming-Alho

A fish robot project

Nereid

fabio-vezzari Fabio Vezzari

The requirement of stable DC power supplies in the IOT applications and in electronics designed products is very versatile.

Smallest 220V to 5V Supply for IOT applications

sagar-001 Sagar 001

This is an "Internet Hardware Watchdog" that reboots the WiFi router whenever something silly happens to it.

Internet Hardware WatchDog using NodeMCU

A Command Line Tool to Control an HP34401A Meter From Linux

HP34401A Meter Command Line Control Software Tool

Small buoyancy engine powered underwater glider designed to travel autonomously.

Micro Marlin Glider

a tutorial on making glass-sealed noble gas tubes.

Make Noble Gas Glass-sealed Tubes in Your Home

simon-liu Simon Liu

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