The Classic 2 is a brand new revision of the original Classic, and kits are available today starting at $144CAD! The Classic 2 is just like the original in every way that matters. It’s also a major upgrade for the few things that needed tweaking. USB-C connector That’s right, the Classic 2 has a USB-C… Continue reading The Classic 2 is here!
Month: March 2025
RP2040: The Little Engine that Could
Sitting at the heart of the Ploopy Headphones preamplifier is a chip called “RP2040”. It’s the microcontroller, or MCU, recently made and released by the Raspberry Pi Foundation. It’s cheap, it’s available, and it punches way above its weight. This post will explain why we chose it for the Headphones preamp, as well as the… Continue reading RP2040: The Little Engine that Could
Using Spring Contact Principles with Chip-PCB Interfaces
This post answers a fairly simple question: how does a person electrically connect a very large number of chips to a very large number of PCBs in the shortest possible amount of time? Without the help of big fancy industrial equipment, that is. The question is simple, but the answer is far from it. I’ll… Continue reading Using Spring Contact Principles with Chip-PCB Interfaces