Sistem Pengukuran Berat dan Dimensi Paket Otomatis Menggunakan Sensor Loadcell dan Sensor Ultrasonic Berbasis Mikrokontroller esp32
DOI:
https://doi.org/10.56655/winco.v4i1.199Keywords:
loadcell, wheatstone bridge, sensor ultrasonic, esp32Abstract
Currently, people tend to shop for daily necessities online in several marketplaces. The cost of shipping goods depends on three parameters, namely weight, dimensions and delivery destination. Generally, the determination of these three parameters is done manually using a ruler and scales. The solution offered in this research is to create an automatic dimension and weight measurement system. The method used is to integrate a weight measuring tool using a load cell and a dimensional measuring tool using an ultrasonic sensor. Four loadcells are used with a Wheatstone bridge configuration to obtain good sensitivity. Meanwhile, for dimensional measurements, five ultrasonic sensors are used to measure the length, width and height of the package. Meanwhile, processing information from all sensors uses an ESP 32 microcontroller and also functions as a local host. The test results showed an average error of ±24.7 grams or 1% in 10 tests. Meanwhile, in dimensional testing, an average error of ±0.79 cm or 7.9% was obtained in 25 tests.
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