CNC-PBDU (pancake batter dispenser unit)

Flapjacks taste infinitely better when they’re machine-made. Well, that’s true for [Mexican Viking] who built an automatic pancake maker to the delight of his family.

Obviously, the building material of choice is Lego. The machine consists of a base with two linear gears on either side. A gantry is held high above this base, travelling upon geared towers to either … Read the rest

Reworking Ball Grid Array circuit board components at home

[Jack Gassett] is developing a new breakout board for an FPGA. The chip comes in a ball grid array (BGA) package which is notoriously difficult to solder reliably. Since he’s still in development, the test boards are being assembled in his basement. Of the first lot of four boards, only one is functional. So he’s setting out to rework the Read the rest