I recently assisted Chris Walker with Holiday Inn at the 5th Avenue Theatre, where I set up a MIDI-controlled relay array for LED/solenoid valve effects in "Let's Say It With Firecrackers". As this was rented equipment from the Broadway production (Roundabout Theatre at Studio 54), the challenge was to do a bit of reverse engineering, as … Continue reading Stage Effects with QLab
Numerous updates have been made to the repositories at https://www.github.com/kreivalabs. Rather than continually update the printed code in the previous posts, please head over to the git repositories (and follow the page, if you like) to be notified of updates. Previous code posts will make their way over to the Projects page.
NOTE: visit https://www.github.com/kreivalabs for the current code version. UPDATE - additional user prompt to enter the measured distance (in feet) between the reference speaker and delay speaker. This version will round all returned values to two decimal places, for convenience. If you require a more precise measurement, you can delete the rouding functions in the … Continue reading Acoustic Velocity with Temperature and AppleScript
At some point along the way (I can't remember when...), Apple removed authentication security from the ad hoc network function "Create a network..." in the Wi-Fi setup. I use ad hoc networks to link up mobile devices to Macs running Max, QLab, Isadora, etc, and not being able to lock up the network is a … Continue reading Make a secure ad hoc wireless control network