A multi-purpose surface mount protoboard from Dangerous Prototypes. Great for getting started with a new microcontroller. It has footprints for: 32-80pin xQFP packages (TQFP, VQFP, LQFP, etc) SOIC(W) chips from .150″ to .3″ (max 32 pins) xSSOP chips (max 32 pins) Button with pull-up resistor input area (2x) LED with resistor output area (8x) SMD or through hole crystal with capacitors SOT-23-3/5/6 (6x) 0805 R and C (8x, plus extras near IC footprints) DO-323 (8x) 24×10 pin through-hole prototype area Power bus routed near all components Silk labels on top and bottom Open source (CC-BY-SA) Don't know your size? See choosing a prototype board. Documentation If you encounter any problems when using this product, here is the forum from which you can get the technical support.