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EWB Monitor is an Internet of Things (IoT) system designed for use in remote areas with limited or no infrastructure. EWB Monitor runs by solar power and communicates via the Iridium satellite system or via GSM if available.
EWB Monitor system
Since 2018 EWB Monitor has been used for monitoring the functionality and water consumption of community water towers providing safe drinking water in both rural and urban areas of Sierra Leone. The data from these water towers can be accessed via this website.

EWB Monitor has been developed by Engineers Without Borders Denmark and the University of Southern Denmark.