Via Telegram, control thermal printers remotely to print out notes, shopping lists, URLs, payments, barcodes, and episode release dates.

Via Arduino Nano 33 IoT and a PHP web application, check whether you have a particular book in your library before purchasing by using ISBN.

Via Nano 33 IoT, use RFID tags as bookmarks to record your ratings. Then, inspect them on Qubitro to grasp and review chapters deliberately.