How many people haven’t looked at their Game Boy Advance (GBA) handheld gaming device and wondered how much better it might be if it could run FreeDOS. Inside an 8086 …read more (https://hackaday.com/2025/06/05/running-freedos-and-8086tiny-on-the-game-boy-advance-because-you-can/)

Piko, Your ESP32 Powered Fitness Buddy
https://hackaday.com/2025/06/05/piko-your-esp32-powered-fitness-buddy/

Over on Hackaday.io there’s a fun and playful write-up for a fun and playful project — the Piko, an ESP32 powered smartwatch. Our hackers [Iloke Alusala], [Lulama Lingela], and [Rafael …read more (https://hackaday.com/2025/06/05/piko-your-esp32-powered-fitness-buddy/)

Screens of Death: From Diagnostic Aids to a Sad Emoji
https://hackaday.com/2025/06/05/screens-of-death-from-diagnostic-aids-to-a-sad-emoji/

There comes a moment in the life of any operating system when an unforeseen event will tragically cut its uptime short. Whether it’s a sloppily written driver, a bug in …read more (https://hackaday.com/2025/06/05/screens-of-death-from-diagnostic-aids-to-a-sad-emoji/)

A Steady Vacuum For The Fastest Cassette Tape Drive Ever
https://hackaday.com/2025/06/05/a-steady-vacuum-for-the-fastest-cassette-tape-drive-ever/

If you think of a 1960s mainframe computer, it’s likely that your mental image includes alongside the cabinets with the blinkenlights, a row of reel-to-reel tape drives. These refrigerator-sized units …read more (https://hackaday.com/2025/06/05/a-steady-vacuum-for-the-fastest-cassette-tape-drive-ever/)

Supercon 2024: From Consultant to Prototyper On A Shoestring Budget
https://hackaday.com/2025/06/05/supercon-2024-from-consultant-to-prototyper-on-a-shoestring-budget/

Many engineers graduate from their studies and head out into the workforce, seeking a paycheck and a project at some existing company or other. Often, it’s not long before an …read more (https://hackaday.com/2025/06/05/supercon-2024-from-consultant-to-prototyper-on-a-shoestring-budget/)

Leakage Control for Coupled Coils
https://hackaday.com/2025/06/05/leakage-control-for-coupled-coils/

Think of a circuit model that lets you move magnetic leakage around like sliders on a synth, without changing the external behavior of your coupled inductors. [Sam Ben-Yaakov] walks you …read more (https://hackaday.com/2025/06/05/leakage-control-for-coupled-coils/)

Turning the Pluto SDR into a Network Analyzer
https://hackaday.com/2025/06/05/turning-the-pluto-sdr-into-a-network-analyzer/

Usually when we see a project using a software-defined radio (SDR), the SDR’s inputs and outputs are connected to antennae, but [FromConceptToCircuit]’s project connected an ADALM-Pluto SDR to an RF …read more (https://hackaday.com/2025/06/05/turning-the-pluto-sdr-into-a-network-analyzer/)

Building an Analog Echo Plate
https://hackaday.com/2025/06/05/building-an-analog-echo-plate/