No Crystal Earpiece? No Problem!
https://hackaday.com/2025/01/17/no-crystal-earpiece-no-problem/

A staple of starting off in electronics ion years past was the crystal set radio, an extremely simple AM radio receiver with little more than a tuned circuit and a …read more (https://hackaday.com/2025/01/17/no-crystal-earpiece-no-problem/)

A Field Expedient Welder Only MacGyver Could Love
https://hackaday.com/2025/01/17/a-field-expedient-welder-only-macgyver-could-love/

If you needed to weld something in a pinch, what’s the minimum complement of equipment you could get away with? In [Professor Bardal]’s case, it’s a couple of motorcycle batteries …read more (https://hackaday.com/2025/01/17/a-field-expedient-welder-only-macgyver-could-love/)

A PDA From An ESP32
https://hackaday.com/2025/01/18/a-pda-from-an-esp32/

The ESP32 series of microcontrollers have been with us for quite a few years now and appeared in both Tensilica and RISC-V variants, both of which deliver an inexpensive and …read more (https://hackaday.com/2025/01/18/a-pda-from-an-esp32/)

JTAG & SWD Debugging on the Pi Pico
https://hackaday.com/2025/01/18/jtag-swd-debugging-on-the-pi-pico/

[Surya Chilukuri] writes in to share JTAGprobe — a fork of the official Raspberry Pi debugprobe firmware that lets you use the low-cost microcontroller development board for JTAG and SWD …read more (https://hackaday.com/2025/01/18/jtag-swd-debugging-on-the-pi-pico/)

Learn New Tools, or Hone Your Skill with the Old?
https://hackaday.com/2025/01/18/learn-new-tools-or-hone-your-skill-with-the-old/

Buried in a talk on AI from an artist who is doing cutting-edge video work was the following nugget that entirely sums up the zeitgeist: “The tools are changing so …read more (https://hackaday.com/2025/01/18/learn-new-tools-or-hone-your-skill-with-the-old/)

Putting Cheap Motorcycle Tachometers to Work
https://hackaday.com/2025/01/18/putting-cheap-motorcycle-tachometers-to-work/

With so much data being thrown at our eyeballs these days, it’s worryingly easy for the actually important stuff to slip by occasionally. So when [Liam Jackson] wanted a way …read more (https://hackaday.com/2025/01/18/putting-cheap-motorcycle-tachometers-to-work/)

Investigating USB-to-Ethernet Dongles With “Malware” Claims
https://hackaday.com/2025/01/18/investigating-usb-to-ethernet-dongles-with-malware-claims/