DIY SMD stencils made with a craft cutter

stencil

Unless you'd like to spend hours with a toothpick and a tub of solder paste, stencils are the way to go whenever you're placing SMD parts. While most commercial and industrial SMD stencils are made out of laser cut stainless steel, [Peter] figured out a piece of plastic and a $300 craft cutter is equally well suited for the job. [Peter] has spent some time making SMD stencils out of polyester … [Read more...]

Overclocking microcontrollers

fire

We're all familiar with overclocking desktop computers; a wonderful introduction to thermal design power and the necessities of a good CPU cooler. [Marcelo] wanted to see how far he could overclock a microcontroller - in this case an ATMega328 - and ended up with a microcontroller designed for 20 MHz running at 30 MHz. To verify that his uC could run at higher clock speeds, [Marcelo] began his … [Read more...]

Making a TARDIS bigger on the inside

tardis-pan

Over Thanksgiving, [Greg] had a little time on his hands and decided he needed an afternoon project. Having a few bits of plywood, an xacto knife, and some blue paint on hand meant a miniature TARDIS would take shape on his workbench. After finishing the model, [Greg] continued improving it with a blinky LED when the thought of adding an interior to the TARDIS entered his mind. An idea too good to … [Read more...]