HL5311 is the first IC chip incorporated RFID Tag and electrical dice. This dice is no batteries inside and can drive LED and buzzer by coupling RF power. You can put HL5311 into the HL5308 reader's antenna field and it will start rolling. When Tag is in the field, you can press RESET button to re-start the dice rolling again. When rolling is done, the chosen number will send to reader as Tag's ID and drive the corresponding LED output immediately.
HL5311 has four operational modes, can easily be designed for 6 choose one, 4 choose 1 , 3 choose 1 and 2 choose one dice.
Especially, HL5311 is supported to multi-TAG operation. You can put more than 2 different dices at the same time and this combination result will also send to reader.
Or watch a demo movie on YOUTUBE.