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/

These days, when you think reverb, you probably think about a guitar pedal or a plugin in your audio software. But you can also create reverb with a big metal …read more (https://hackaday.com/2025/06/05/building-an-analog-echo-plate/)

A Flashlight of Fire and Ice
https://hackaday.com/2025/06/05/a-flashlight-of-fire-and-ice/

[Daniel Salião Ferreira] may or may not be a Game of Thrones fan, but he does have a fun demo of the Seebeck effect in the form of a flashlight …read more (https://hackaday.com/2025/06/05/a-flashlight-of-fire-and-ice/)

SPACEdeck is Half Cyberdeck, Half Phone Case, All Style
https://hackaday.com/2025/06/05/spacedeck-is-half-cyberdeck-half-phone-case-all-style/

It’s been at least a few hours since Hackaday last featured a cyberdeck, so to avoid the specter of withdrawal, we present you with [Sp4m]’s SPACEdeck, a stylish phone-based cyberdeck! …read more (https://hackaday.com/2025/06/05/spacedeck-is-half-cyberdeck-half-phone-case-all-style/)

Soviet Calculator Teardown Reveals Similarities And Differences
https://hackaday.com/2025/06/06/soviet-calculator-teardown-reveals-similarities-and-differences/

Tearing down hardware from different parts of the world can be revealing, showing unique parts, techniques, and tricks employed by engineers living in a very different world from our own. …read more (https://hackaday.com/2025/06/06/soviet-calculator-teardown-reveals-similarities-and-differences/)

In Film, What’s Old May Still Be New Again
https://hackaday.com/2025/06/06/in-film-whats-old-may-still-be-new-again/