The present disclosure relates to wireless medication blister pack assembly and to a blister pack attachment to be secured to a blister pack assembly. The attachment an electronic card housing for receiving an electronic card which includes electronic components such as card connectors, and a locking system which is configurable between a locked configuration and a releasing configuration. In the locked configuration, the blister pack assembly and the electronic card are connected, with sheet connectors provided on the blister pack assembly and the card connectors being in electronic communication. Such electronic communication allows the electronic components to detect whether a given blister has been detached from the blister pack assembly. In the releasing configuration, the electronic card and the blister pack assembly can be removed from the blister pack attachment, so as to allow the electronic card to be reused with a replacement blister pack assembly.