From 8:15 a.m. to 5 p.m. on Saturday, April 30, BarCamp Sarasota-Bradenton will host the 10th annual DaVinci’s Faire & BarCamp at Manatee Technical College, 6305 S.R. 70, Bradenton. The event includes an “unConference” with a large range of speakers who sign up on the fly, plus a fair that showcases makers, inventors, gamers, robots, drones and more. Pre-registration is free and can be completed here. Those who do not preregister must pay $10 at the door.