With the Raspberry Pi Pico in mind, UK company OpenLX SP has answered the question: ‘how do I temporarily mount a castellated solder-down PCB module?’. The answer is a connector dubbed Clipzin, which ...

Castellated PCB edges are kind of magical. The plated semicircular features are a way to make a solid, low-profile connection from one board to another, and the way solder flows into them is deeply ...

[Jeremy Cook] writes to us about a project of his – a bouquet of LED cube flowers. The flowers are PCB cubes made out of small castellated PCBs, each of those having an individually addressable LED in ...