Building a kiosk, turnstile, medical terminal or industrial line? Many engineers see a wall of spec sheet numbers the first time they evaluate a barcode scan module (also called an embedded scan engine). This guide breaks selection down into 7 must-check parameters + 4 common mistakes, so you can make the right call in 10 minutes. What is a barcode scan module? A barcode scan module is a "bare engine" without housing, trigger or display — composed of an image sensor (CMOS), decod...