These boards have 32 sensors. 2 boards are sufficient for 2 keyboards. They are directly plugged to the motherboard KI7_MIDI_USB. KI7_MIDI_USB outputs MIDI controls ont any USB connector for any PC or MAC. Or in classic standard MIDI format. A
flat ribbon 15 points links the boards to the mother board. 2
boards are connected by a 2x6 pins connector supplied with the
boards.
One can connect up to 7 keyboards or pedalboard with only one motherboard KI7_MIDI_USB. A 5V
power supply is nécessary because sensors are consuming 120 mA per
each board KIH32. Conséquently, power conumption overload the standard
USB 100mA. A little 5V 5A (10$) power supply is available on www.tme.eu or upon request.
EXAMPLES :
Organ Keyboard with ferrite magnets and HALL sensors
Other examples here
How to install KIH32 boards : Voir ICI Sensor used : A1101 from ALLEGRO MICROSYSTEMS or equivalent. Available by DIGIKEY or FARNELL or NEWARK Magnets available by IMA or directly from Chinese Companies.
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