Disclosed is a display apparatus and a control method thereof. The display apparatus includes a display group including a master display module and a plurality of slave display modules coupled by a Daisy Chain method, a first sensor equipped on the master display module, a second sensor equipped on at least one from the plurality of slave display modules, and a processor included in the master display module. The processor is configured to, based on sensing data obtained from the second sensor being received by the master display module through the Daisy Chain method, provide the received sensing data and sensing data obtained through the first sensor to an external apparatus.