1. Raspberry Pi has set an IPO price valuing the company at approximately £542 million. 2. The price per share rose by a third in pre-offer 'conditional dealing' for institutions. 3. Open trading is set to commence on Friday, with the offer worth £166 million representing about 30.7% of the company's shares.

These are some of the coolest Raspberry Pi projects that we've had the honor of featuring over the past month.