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An asset tag sends a short Bluetooth signal. Gateways already installed on site pick it up. The system then compares the results from three or more gateways and estimates where the tag is. This method is generally called triangulation. The tracker is a small battery-powered device fitted to a pallet, trolley, or piece of equipment. At set intervals it broadcasts a brief identity message. It does not need to scan the room or carry a heavy positioning chip. The calculation is d

How the Gateway Is Used The gateway sits between Bluetooth devices on the floor and the system that manages them. Asset tags, sensors, and other units already send short wireless bursts. It listens, packs those readings, and sends them over Wi-Fi. Staff do not have to walk the aisle with a scanner for every update. A translator and a post office One side hears Bluetooth. The other joins the network you already run, including WPA2-EAP enterprise Wi-Fi. Data can travel by MQTT.

We read information every day: phones use LCD or OLED screens, supermarket shelves use paper price tags, and e-readers use e-paper. The three display methods work on entirely different principles. For retail, food service, and warehousing, a label has to hang on a shelf all day, be readable in a few seconds, and be updated from time to time. Choose the wrong medium and you either cannot see the content clearly, or every price change burns another round of labor and consumable

Electronic paper is a screen designed to look like printed paper. It forms text and simple graphics by moving pigment particles, then holds that image in place. The surface is meant to resemble ink on a page and can display a picture without a backlight. It works by electrophoretic ink. A short electrical pulse moves positively and negatively charged dark and light grains through a thin liquid layer: one color comes forward, the other goes back. When the pulse ends, the grain