Wireless scoreboard for Kendo.
You need at least 2 iOS devices: a server device and a client devices (and a wifi router). You can connect 4 until client devices (shiaijo) to each server device.
Connect your server device to any TV or monitor, and show fights information to shinpan or public.
*** Client device will send data to server device. Server will show data for each connected client (shiaijo), in sequence.