In this post, we explore an innovative solution to simplify the parcel pickup process at DHL Packstations. Previously, customers had to manually enter their PostNummer and mTAN, which was time-consuming. However, a new yellow customer card with a barcode on the back aimed to streamline this process. Unfortunately, not all customers received the new card automatically. To avoid the hassle of applying for a new card, there is a clever workaround – generating our own barcode.

Introduction The Huawei E3372 is a popular and quite cheap 4G LTE stick. The on-board LTE Cat 4 modem supports up to 150 MBit/s in download and up to 50 MBit/s in upload. It has a fallback on (DC-)HSPA(+), UMTS and EDGE when needed. The whole package is rounded off by small handy dimensions (88m x 28mm x 11.5mm). But as usual there is a footgun on purchasing the E3372 for your desired use case:

Introduction There are some barcode scanner apps offered on the app stores, which are designed to quickly and easily obtain important product properties of food, cosmetics, etc. while shopping. A well-known app in the German-speaking countries is “barcoo”. Since I wanted to have a fixed scanner for my refrigerator, which recognizes the EAN of the product and stores the product in a database, I needed an API from which this data comes.