Collaborate Disseminate
Building your own sprinkler system controller isn’t that difficult on the face of it, but what happens when your system starts to grow, adding more distant areas? To tackle this, …read more Continue reading RS-485 Sprinkler Control: Scaling Irrigation Across the Farm
We’ve all had those times when your electrical device of choice is running low on battery. Sometimes you even plan ahead and are also carrying a battery pack, but what …read more Continue reading 2026 Green Powered Challenge: SolMate Charges On the Move
Not so long ago, e-ink devices were rare and fairly pricey. As they have become more common and cheaper, some cool form-factor devices have emerged that suffer from subpar software. …read more Continue reading Pocket-Sized e-Ink Gets a Firmware Upgrade
When taking macro photographs, you often need just a tiny bit of controlled motion — so little that it’s tough to pull off by hand. To address this, [Salveo] designed …read more Continue reading Tiny Moves, Big Depth: An Open-Source Macro Focus Slider
One of the great things about building electronics today is how affordable SMT components have become — sometimes just fractions of a cent each. That low price often means ordering …read more Continue reading Tame the Tape: Open-Source Dotterboard for Bulk SMT Parts
Remember those brick cellphones in the 1990s? They were comically large by today’s standards. These phones used the 1G network to communicate and, as such, have been unusable for decades …read more Continue reading No More Paperweight: This Vintage Brick Phone Is Back Online
E-readers are an awesome creation allowing you to display digital information in a way that requires little battery life. While there’s plenty of very impressive models to chose from on …read more Continue reading Calculator Case to Scratch-Built Pocket E-Reader
Making your own laptop can be a challenging project, but a doable one, especially given the large number of options available today for computing. Of course nothing says you need …read more Continue reading Retro Rover: LT6502 Laptop Packs 8-Bit Power on the Go
When you think of a toy tractor, what probably comes to mind is something with fairly simple lines, maybe the iconic yellow and green, big rear tires, small front ones. …read more Continue reading Toybox Tractor: Plywood, Lathe Hacks, and 350W of Fun
Few things rival the usability and speed of a full-sized keyboard for text input. For decades, though, keyboards were mostly wired, which can limit where you use your favorite one. …read more Continue reading Wired to Wireless: ESP32 Gives Your USB Keyboard Bluetooth