Electronics: 1st July 2025

Development of an Open-Source Spacecraft Bus for the PULSE-A CubeSat (arxiv:astro). PULSE-A CubeSat's open-source bus facilitates circular polarization shift keyed laser communication, featuring dual BeagleBone Black units and cFS software architecture for modularity

SIMulator: SIM Tracing on a (Pico-)Budget (arxiv:cs). SIM tracing for cellular network research using low-cost microcontrollers like Raspberry Pi Pico; reducing complexity and costs for broader accessibility

PJ5 TTL CPU (pj5cpu​.wordpress​.com). Updates on PJ5 TTL CPU design include display issues, new programmer development, and plans for peripherals like joystick interface and sound card

Restoring a ZX Spectrum+ Toastrack (celso​.io). Restoration of a ZX Spectrum+ Toastrack involving upgrades like a DD2712SA DC-DC Buck converter, video signal improvements, and keyboard replacement

Refurb weekend: Gremlin Blasto arcade board (oldvcr​.blogspot​.com). Refurbishing Gremlin Blasto arcade board; exploring history, hardware, and gameplay mechanics of classic arcade games from the 70s

Restoring a vintage Intel Prompt 80 8080 microcomputer trainer / development system (smbaker​.com). Restoration of Intel Prompt 80 8080 microcomputer involves CPU installation, power supply repair, assembly programming, Forth language integration, and speech synthesis

Exidy 440 FPGA (bavatuesdays​.com). Reviving an Exidy Cheyenne cabinet with an Exidy 440 FPGA board, enhancing gameplay with modern light-gun game emulation

Pinball Update (coyoteblog​.com). Refurbishing a vintage Eight Ball Deluxe pinball machine with impact drivers, soldering, LED upgrades, and detailed disassembly for reassembly challenges

Oasis – an open-source, 3D-printed smart terrarium (github​.com). Oasis is an open-source, 3D-printed smart terrarium supporting humidity-loving plants, featuring CAD models, electronics with KiCad, and software in Rust

SWU Health Counter (blog​.c0nrad​.io). Electronics project creating a SWU health counter using Arduino, Pi Pico, PCBs, 3D printing, and programming in MicroPython

Today’s Functional Print: Baluster Retrofit Hardware (chrisfinke​.com). Remodeling a stairway with metal balusters using custom 3D-printed retrofit hardware for a clean, tool-free installation

South Pole Kite Photos (mpetroff​.net). Matthew Petroff documents aerial photography at the South Pole using a kite, including challenges with camera equipment and custom-built solutions for extreme cold

Polyphonic pickup, modules (wreckage​.link). Exploration of polyphonic pickup modules utilizing TLV320ADC3140 ADC for high-fidelity audio, addressing technical challenges in data acquisition, noise reduction, and differential amplifier designs

And Then There Were Pants (robotskirts​.com). Eliot Phillips updates the LED Adidas track jacket project, introducing pants with COB LED strips and advanced control via the Sparkle Motion controller

Getting weather data from my Acurite sensors was shockingly easy (jeffgeerling​.com). Easily collect weather data from Acurite sensors using a Raspberry Pi and rtl-433 to integrate with Home Assistant

Orchestrating AI workloads on a Jetson Orin Nano with Nomad (atodorov​.me). Enhancing Home Assistant with local LLM on Jetson Orin Nano using Nomad for AI workloads orchestration

How I Transformed My Flat into a Smart Home with Home Assistant (jonathas​.com). Jonathas Ribeiro shares his smart home transformation using Home Assistant, Zigbee network, Apple integration, and various automation techniques for enhanced living

Water tank level sensor: 4–20mA current loop, ESPHome, and Home Assistant (blog​.narf​.ssji​.net). ESPHome integration with a 4–20mA pressure sensor for water tank level monitoring using ESP32-PoE2 and Home Assistant

Temperature and humitidy sensor on OpenWrt (blog​.kleine-koenig​.org). Integrating SHT3x humidity and temperature sensor on Turris Omnia using OpenWrt with collectd-mod-sensors and luci-app-statistics for data visualization

My Lights Run on Bash (kramkow​.ski). Tomasz Kramkowski integrates Bash scripts with Zigbee2MQTT for smart home lighting automation, enabling remote control and dimming through various devices

RSS Converter for MastoFeed (speedofcreativity​.org). Wes Fryer automates podcast sharing on Mastodon using a Python RSS converter, leveraging AI tools like ChatGPT for coding assistance

My earliest ErgoDox keymap (me​.micahrl​.com). Exploration of the ErgoDox keyboard keymap, its benefits for RSI, and personal insights on layout customization and evolution

MicroZed Chronicles: Embedded Software, working with Peripherals. (adiuvoengineering​.com). Explore peripherals in Zynq MPSoC using Vitis, including AXI GPIO configuration and interaction with hardware components on the ZU Board

Building the M17 Nokia 3310 (rz01​.org). Guide to building an M17 Nokia 3310, featuring PCB assembly, firmware flashing, and required components like the SA868S RF module

Protect your MicroPython sourcecode (lucstechblog​.blogspot​.com). Learn to protect MicroPython source code using bytecode compilation with mpy-cross, preventing unauthorized access and analysis of your microcontroller programs

How to Present Your Upskilling Journey to Land a Senior Embedded Role (shawnhymel​.com). Present your upskilling journey in embedded systems using projects, certifications, learning stories, and visual portfolios to secure senior roles

eInk Spectra build guide (frameos​.net). Build guide for eInk Spectra frames using Waveshare and Pimoroni panels, featuring Raspberry Pi Zero W2, FrameOS, and custom OpenSCAD cases

Trying out the ice4pi from Lightside Instruments (mikecoats​.com). Hands-on with Lightside Instruments' ice4pi, programming Raspberry Pi with FPGA, setup guidance, GPIO control, and R-2R DAC applications

Raspberry Pi as NTP server (bruceediger​.com). Setting up a Raspberry Pi NTP server using GPS modules and configuring Raspberry Pi OS with tools like chrony and gpsd

Tinkerbell Part IV: Provisioning a Raspberry Pi 4 (blog​.mei-home​.net). Provisioning Raspberry Pi 4 using Tinkerbell, Dnsmasq, PXE boot, and UEFI for Ubuntu 24.04 installation on a USB SSD

Festival Finder Hat with WLED (learn​.adafruit​.com). Create a Festival Finder Hat with WLED using an ESP32 board, featuring customizable LED animations to help friends locate you in a crowd

ESP-IDF Tutorials: Basic HTTP server (developer​.espressif​.com). Create a basic HTTP server on Espressif devices using esp_http_server and manage routes, connect via soft-AP, and handle requests with URI handlers

Genesis IoT Discovery Lab – A Plug-and-Play Classroom Built on ESP32-S3 (developer​.espressif​.com). Genesis transforms ESP32-S3 into an educational modular kit with AX22 modules for prototyping, coding, and creative hardware projects in educational settings

XIAO USB Device to Serial MIDI Converter (diyelectromusic​.com). DIY guide for XIAO ESP32-C3 MIDI Synth using Arduino USB to Serial MIDI conversion, emphasizing safety and simplicity in electronic music projects

XIAO ESP32-C3 MIDI Synthesizer (diyelectromusic​.com). Explore the XIAO ESP32-C3 MIDI Synthesizer featuring the Dream SAM2695 chip, GPIO interfaces, and the ability to create custom MIDI applications

Building a Power Monitoring System with ESP32 and PZEM-004T: A Pull-Based Approach (michaelstinkerings​.org). Build a power monitoring system using ESP32 and PZEM-004T v3, measuring electric parameters, with InfluxDB storage and Grafana visualization

VHS was better...Hear me out. (thestockpot​.net). Create a modern VCR-like experience using ESP32, NFC for movie playback, and customized cartridges for a nostalgic touch without VHS drawbacks

Embedded rust development on esp32 with flakes (ezrizhu​.com). Embedded Rust development on ESP32 using Nix flakes, detailing environment setup and resources for RISC-V architecture programming

Name that Ware, June 2025 (bunniestudios​.com). Analyzing an 80's vintage audio board from Aphex, featuring components like binary counters, DACs, and an enhancement generator

Brain dump, June 2025 (dmitrybrant​.com). Restoring old laptops and floppy drives; custom PCBs and soldering; power supply adapters for AT connectors discussed

The Legend Continues: Amiga 1000 Keyboard Revival (linuxjedi​.co​.uk). Restoration process of the Amiga 1000 keyboard, focusing on key switch repair, parts replacement, and the use of 3D printing for custom components

Hardwear.io 2025 Thought Dump: 10 Takeaways (coopergyoung​.com). Insights from Hardwear.io 2025 on hardware hacking, crystal oscillators, security threats like RowHammer, and techniques such as fault injection and JTAG access

Paragon mechanical timer 4004-71M vs 4004-71 (codingrelic​.geekhold​.com). Comparison of Paragon mechanical timers 4004-71M and 4004-71, including compatibility issues and modification techniques for installation

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