If a Bluetooth sensor doesn't already have iOS support, pairing it up will often involve a patient wait for an official app or some not-quite-official tweaking, at best -- Apple won't allow just any old unauthenticated device through the gates. Byte Works' TechBASIC 2.3 update takes those barriers down. The mobile app lets those of us with a new iPad or iPhone 4S create programs that talk to, and read from, a wide range of