When it comes to electronic design, breadboarding a circuit is the fun part — the creative juices flow, parts come and go, jumpers build into a tangled mess, but it’s …read more (https://hackaday.com/2021/12/06/tricked-out-breadboard-automatically-draws-schematics-of-whatever-you-build/)

Secret Ingredient for 3D-Printed Circuit Traces: Electroplating
https://hackaday.com/2021/12/06/secret-ingredient-for-3d-printed-circuit-traces-electroplating/

Conductive filament exists, but it takes more than that to 3D print something like a circuit board. The main issue is that traces made from conductive filament are basically resistors; …read more (https://hackaday.com/2021/12/06/secret-ingredient-for-3d-printed-circuit-traces-electroplating/)

TTL And CMOS Logic ICs: The Building Blocks Of A Revolution
https://hackaday.com/2021/12/06/ttl-and-cmos-logic-ics-the-building-blocks-of-a-revolution/

When starting a new electronics project today, one of the first things that we tend to do is pick the integrated circuits that make up the core of the design. …read more (https://hackaday.com/2021/12/06/ttl-and-cmos-logic-ics-the-building-blocks-of-a-revolution/)

Touchscreen-Powered USB Hub Selectively Powers Down Devices
https://hackaday.com/2021/12/06/touchscreen-powered-usb-hub-selectively-powers-down-devices/

One of the most useful features of the Universal Serial Bus is its hot-plugging capability. You simply plug in your device, use it, and unplug it when you’re done. But …read more (https://hackaday.com/2021/12/06/touchscreen-powered-usb-hub-selectively-powers-down-devices/)

Big Wind is The Meanest Firefighting Tank You Ever Saw
https://hackaday.com/2021/12/06/big-wind-is-the-meanest-firefighting-tank-you-ever-saw/

As the Iraqi army retreated at the end of the first Gulf War, they took the term “scorched Earth policy” quite literally. Kuwaiti oil wells were set alight en masse, …read more (https://hackaday.com/2021/12/06/big-wind-is-the-meanest-firefighting-tank-you-ever-saw/)

Classic Colorimeter Clone Calibrates Cuvettes’ Contents
https://hackaday.com/2021/12/06/classic-colorimeter-clone-calibrates-cuvettes-contents/

For anyone dabbling in home chemistry, having access to accurate measurement equipment can mean the difference between success and failure. But with many instruments expensive and hard to find, what’s …read more (https://hackaday.com/2021/12/06/classic-colorimeter-clone-calibrates-cuvettes-contents/)

Cardboard vs. Laser Shootout: A Tale of Speed and Power Settings
https://hackaday.com/2021/12/06/cardboard-vs-laser-shootout-a-tale-of-speed-and-power-settings/

You probably already know that cardboard is versatile, but that goes far beyond the corrugated stuff. There are many types of cardboard out there, some of which you may not …read more (https://hackaday.com/2021/12/06/cardboard-vs-laser-shootout-a-tale-of-speed-and-power-settings/)

Guitar Pickguard Adds MIDI Capabilities
https://hackaday.com/2021/12/06/guitar-pickguard-adds-midi-capabilities/