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Uncaught Espruino Error: Module Ruuvi sensor not found

Espruino firmware version

Check that you are using the latest firmware package for Espruino. Download latest officially supported packages from https://lab.ruuvi.com/dfu.

Web IDE

Check that you are using the latest Web IDE version.

Connection to Espruino servers

Confirm that your development computer is not behind a restrictive firewall.