Electronics: 3rd June 2025

The Internet is a Cesspool of Ads Rescued by a Pi-hole (corbinstreehouse.com, 2025-06-03). A Pi-hole, network-wide ad blocking software, significantly reduces advertisements on the internet by processing DNS requests, enhancing user experience on platforms while acknowledging the ongoing role of ads in funding online content

TorchStation Prototype V1 – GPUs panel (blog.christianperone.com, 2025-05-28). The TorchStation Prototype V1 features a monitoring panel showcasing GPU usage and memory for distributed model training, using an Arduino Mega and 8 LED bars powered by an external supply

Rated PG for Language (thebootloader.net, 2025-06-02). Paul and Tod discuss tariffs, desoldering techniques using a soda can shim, Philips' new Fixables program for 3D printing parts, and a documentary on the game Sinistar in the latest episode of The Bootloader

Microbit Skinner Box (deejaygraham.github.io, 2025-05-28). A simple Microbit Skinner Box project utilizing the random library to display images and play sounds based on button presses, with adjustable probabilities for reactions from a pre-defined set of sounds and images

Inside the ELF: What the ARM Assembler Really Generates on Raspberry Pi (embeddedjourneys.com, 2025-05-29). The exploration of ARM assembly on Raspberry Pi delves into the output of the assembler, dissecting the ELF (Executable and Linkable Format) binary object file's hexdump

Buggy wiring (philsworkbench.blogspot.com, 2025-06-02). Phil shares insights on wiring for model vehicles, detailing his experiences with connector types, speed control systems for both brushed and brushless motors, and the importance of trial and error

A Horrible Discovery: I Wired All My Electrical Wrong (adventuretaco.com, 2025-05-30). After discovering that much of their electrical wiring used inferior copper clad aluminum, the author experienced flickering issues with their Diode Dynamics SS5 Pro lights, prompting a frustrating but necessary switch to pure copper wire

Explore Exciting Linux DIY Projects: Automate Your World with Raspberry Pi and Arduino (linuxjournal.com, 2025-05-27). Explore DIY projects utilizing Raspberry Pi and Arduino for home automation, weather monitoring, and smart gardens. Learn about tools like Python, Flask, MQTT, and scheduling with cron to enhance automation

Consider the cronslave (hiandrewquinn.github.io, 2025-05-30). Explore the concept of a cronslave, a dedicated system for running cronjobs, leveraging tools like Raspberry Pi, Tiny Core Linux, BusyBox, and automation with shell scripting and LLMs for efficient task management

Notes for May 2025 (taoofmac.com, 2025-05-31). The author explores old Raspberry Pi boards by creating a SE/30-like case, experiments with Bitwig and VSTs on Linux, and revamps their micro-PaaS using Docker Compose and systemd tools

pico-mac-nano: a tiny Macintosh replica (taoofmac.com, 2025-05-27). The pico-mac-nano project offers a charming miniature Macintosh replica, featuring custom designs, evocative nostalgic nods, and possibilities for functionality using Raspberry Pi Zero, making it a compelling collectible

We're counting birbs today (counting-stuff.com, 2025-05-27). A fun project using Birdnet on Raspberry Pi to identify and record birds near home, exploring bird species and their calls while explaining technical details of setup, including microphone selection and database management

A Raspberry Pi battery life/vibe coding experiment (globalnerdy.com, 2025-05-29). An experiment using a Raspberry Pi 3B and a low-capacity USB power pack explores power consumption with Python and C programming, testing battery life and optimizing for longer uptime with different coding efficiencies

LCD HD44780 Raspberry Pi 8 Bit Wiring (hagensieker.com, 2025-05-29). Raspberry Pi expert John updates his HD44780 LCD project for 8-bit wiring, detailing wiring connections, Python script setup, and necessary package installations for compatibility with the latest Raspberry Pi OS

Pi-hole & Tailscale, my gateway into self-hosting (janmonschke.com, 2025-05-31). Jan Monschke explores setting up Pi-hole on a Raspberry Pi for ad-blocking, paired with Tailscale for enhanced DNS privacy, using SSH for configuration, and sharing insights on further self-hosting projects

Night vision tube mount (anfractuosity.com, 2025-05-31). A 3D printed mount for Canon EF lenses to P8079HP night vision tubes, using FDM printing techniques and incorporating locking tabs and battery integration for enhanced functionality

New Guide! USB Chording Keyset #3D Printing #AdafruitLearningSystem (pappp.net, 2025-05-29). Build a custom USB chording keyset using 3D printing and Adafruit's QT Py RP2040, enabling simultaneous key presses for efficient typing of words and phrases

Hardware Hacking a Nicotine Vape (praetorian.com, 2025-05-29). Praetorian's IoT team hacked a Raz DC25000 vape at Hack Space Con, using Serial Wire Debug and makeshift tools to extract firmware and images, revealing potential for custom modifications, but not malware delivery

Badge & Lanyard Challenges @ OBO 2025 (starlabs.sg, 2025-05-28). OBO 2025 introduces innovative badge and lanyard challenges, featuring hardware hacking concepts, ROT13 puzzles, and retro communication techniques through interactive designs including ESP32-C3 and audio frequency-shift keying

Motorized Micro Command Center (jkbrickworks.com, 2025-05-27). The Motorized Micro Command Center uses a Circuit Cubes Geared Motor and Battery Cube to automate movement, incorporating a Technic Chain to pull a shuttle along tracks, with a manual hand crank option available

Casio F-91W / A168W Crystal Decal Removal (tokilabs.co, 2025-06-01). Removing the Casio F-91W and A168W crystal decals is essential for placing a light sensor, utilizing the AMS TCS3400 color light sensor, while avoiding overheating during the process

Building a Smart 4-Channel PWM Controller with ESP32 and High-Efficiency MOSFETs (diy.viktak.com, 2025-06-02). A 4-channel PWM controller with ESP32, TC4427 MOSFET driver, and CSD17573Q5B MOSFET enables precise control for LEDs and motors, achieving efficient power delivery with minimal heat dissipation

How much power does gzip save on IoT web access? (bitbanksoftware.blogspot.com, 2025-06-01). Exploring gzip compression on ESP32, an optimized zlib_turbo library demonstrates significant energy savings in IoT applications, reducing data payloads and connection times while enhancing battery life through efficient decompression techniques

Lightweight MQTT Broker for ESP32: Mosquitto ported to ESP-IDF (developer.espressif.com, 2025-05-28). Mosquitto broker has been ported to ESP-IDF for ESP32, offering a lightweight solution for edge computing with core MQTT functionality, supporting local IoT networks and secure connections via ESP-TLS

LED Parasites (mountainofcode.co.uk, 2025-05-30). Solar-powered projects using an ESP 32 often include energy-consuming blue power LEDs, which can waste battery life. Desoldering these LEDs can improve efficiency in low-power applications

Why Use Zephyr? A Practical Guide for Embedded Engineers Choosing the Right RTOS (shawnhymel.com, 2025-05-27). Zephyr, an open-source RTOS maintained by the Linux Foundation, offers an embedded development ecosystem with Devicetree, Bluetooth, and Wi-Fi support, making it suitable for IoT applications over alternatives like bare-metal and Arduino

Practical SDR: Getting started with software-defined radio (nostarch.com, 2025-05-30). Explore software-defined radio with Practical SDR, featuring GNU Radio Companion for building AM and FM receivers, signal processing fundamentals, and SDR hardware applications including HackRF One

IR LED controllers (revk.uk, 2025-06-02). RevK® explores IR LED controllers, detailing NEC-coded remotes and their distinct patterns, comparing larger and smaller remotes, and discussing integration plans with Home Assistant for enhanced device automation

Infra-red remote conrols (revk.uk, 2025-06-01). RevK explores Infra-red remotes using ESP32's built-in IR receiver to decode common formats like NEC, discussing Daikin air-con and LG TV remotes, as well as the challenges and simplicity in their coding

25 Mbps discrete logic transceiver for learning purposes (helentronica.com, 2025-05-27). Building a 25 Mbps discrete logic transceiver using 74AHC series ICs, PRBS31 generators, Manchester encoding, and analog FIR filters for understanding high-speed data transmission principles