They announced their surprising new open source hardware product, a pocket sized 3-axis CNC machine entirely made out of FR4 PCB material, aptly named “FR4 Machine Shield”, at this year’s ...

Another way is to build the enclosure out of FR4, a material which is commonly used in PCB production. Such enclosures are low-cost, with thin walls but yet very strong, nice looking, pleasant to ...

For example, the tolerance in timing skew between parallel signals in a multi-drop environment is approaching the practical limit achievable in low-cost FR4 printed circuit boards. In addition, the ...