What are some examples of light sources that can be used?
• An LED • An LED taped to a 3V button battery and attached to your finger using short velcro strap • A laser pointer • Computer screen • TV • Point your camera at a bright light (e.g. ceiling), and make a closed circle with your fingers • Use your imagination! • What is Incremental mode? This mode allows you to send MIDI control change (CC) messages (0-127) to a MIDI device/port. These values are controlled by the X, Y and Z values calculated from the light source detected by your webcam. The X and Y values are self- explanatory, while the Z value is calculated based on the area of the light. The effect is that the further the light source, the smaller the area, and vice versa. In addition to control messages, the Note Range setting sends note values and functions like a theremin. You can limit the range of notes using the text boxes labelled Min and Max on the bottom right section of pmidic. • What is Note mode? This mode allows you send MIDI note messages whenever a light source app
