Raspberry Pi is going public to expand its range of tiny computers

British minicomputer manufacturer Raspberry Pi has announced plans to file for a UK stock market listing, saying the initial public offering would allow the company to expand its current talent pool and product offerings.

Raspberry Pi is best known for making highly affordable microcontrollers and credit card-size single-board computers — the cheapest of which costs just $15. They can be used to make all sorts of things...