This repository contains a dataset from a calibration campaign of 20 low-cost rain gauges, data of 3 reference gauges and a dataset of the labcalibration of 66 low-cost raingauges. Further, source code for Arduino and Raspberry Pi based Dataloggers is provided. https://opara.zih.tu-dresden.de/xmlui/handle/123456789/6104 2026-04-21T07:34:04Z 2026-04-21T07:34:04Z