The post describes the creation of a 'metronalmost,' a metronome designed to never tick exactly once per second, as part of Hackaday's One Hertz Challenge. It details the use of a TowerPro MG946R servo motor and NodeMCU DevKit to ...
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This blog post is the second part of a series on obtaining trusted certificates for private servers using Caddy. It explains how to bypass manual certificate generation by utilizing DNS-based Automatic Certificates through a DNS-0...
Using a Spy! Break! Inject! device, the post explains how to intercept and analyze I2C communication for reverse engineering electronic devices.
Automate the issuance of trusted certificates for private servers using DNS-01 challenges in OpenWrt, comparing Web UI and SSH/CLI methods for installation.
The blog post discusses how to generate self-signed, untrusted TLS certificates for private servers using Caddy, a web server software. It explains the challenges of using Let's Encrypt for private servers and provides a detailed ...
The blog post details the process of installing CircuitPython on the unsupported Freenove ESP32-S3-WROOM CAM Board. It explains how to use generic devkit builds, the importance of matching RAM and Flash configurations, and the too...
The blog post recounts the author's experience at the Open Hardware Summit, where they interacted with Vladimir from Lightside Instruments and received an ice4pi iCE40 shield for Raspberry Pi. The author provides a detailed walkth...
The author discusses the development and subsequent abandonment of a project called Battery-box Beasties, which aimed to create a circuit board to replace AA and AAA batteries in various devices. The project was inspired by local ...
The author shares their experience using PCBWay for PCB prototyping, detailing the process from initial contact to final assembly. They highlight the quality of the boards received, the exceptional customer service, and the innova...
The author discusses the process of creating a CircuitPython driver for the AT42QT2120 touch sensor, building on an existing library from Adafruit. They detail their approach to library development, including the use of the circup...
This blog post discusses NMOS switches, specifically N-channel enhancement mode Field-Effect Transistors, as a method for controlling higher voltage loads using microcontrollers with 3.3 or 5 volt GPIO pins. It explains the basic ...
5.1momtag
2025-12-09 • metadata open source software development mp3 players music tagger
Mike's Opinionated Music Tagger organizes music files by standardizing tags and addressing metadata inconsistencies, while encouraging user customization.
The author recounts their experience with two night lights purchased for their daughter, detailing the wear and tear of the devices over two years. After the second light began to malfunction, the author sought to repair it rather...
The author expresses enthusiasm for the Open Source Hardware Association (OSHWA) and highlights their involvement in various projects and events, including the upcoming Open Hardware Month and a live stream celebration. They menti...
The article announces the release of the Touchy Subject, a Qwiic/STEMMA QT compatible breakout board for the AT42QT2120 capacitive touch sensor, developed with sponsorship from PCBWay. It highlights the board's hand-solderable des...
The blog post details the process of designing and printing a 3D sewable badge for a pirate-themed Halloween costume. The author outlines the steps taken using Inkscape and OpenSCAD, including setting dimensions, creating layers f...
The blog post discusses a DIY method for creating a low-cost 5-volt power supply using minimal materials, specifically a piece of strip-board and solder. It details the necessary dimensions for the USB-A connector and provides ins...
The article announces the availability of the author's Touchy Subject breakout boards for purchase on the new Lectronz store, alongside other projects. It highlights the board's compatibility with Qwiic/STEMMA QT and its developme...
The author shares their experience of using a 3D printer to design and create new hooks for an IKEA HÖVOLM helmet rack, which was previously inadequate for securely holding helmets. After successfully replicating the original peg ...
The author expresses delight in receiving a surprise gift package from PCBWay, featuring branded merchandise and a coffee cup set.
The post discusses the use of an Op-Amp Buffer to reduce the impact of loading down a DAC, and how to build and test the buffer circuit. It also provides a practical example of updating an ESP32's firmware to produce a power chord...
The author met Stephen Coyle at the 2025 Open Hardware Summit and was impressed by his Kilnettle Shrine Talking Tape Dispenser project. Stephen sent the author a kit to assemble, and the author found the assembly process straightf...
The author migrated their Mastodon server from a self-hosted DigitalOcean droplet to an instance provided by Masto.host. The process was straightforward, took less than an hour, and reduced the cost and administrative tasks signif...
The author, who is not a trained professional in electronics, is building a series of 'back to basics' projects to learn more about practical circuits. The current project is about R-2R Ladder DACs, which is an arrangement of resi...