![]() The Bandwidth monitor uses the power supply of the modem.In the IOT Portal you can also find a button to remotely reset the modem.In the overview you can also see the time history of the measured values and the reasons for the last resets. The measured values are displayed on a Ubidots Dashboard (IOT Portal).A button on the front of the device is available to trigger the bandwidth measurement manually.The modem is thus reset without any modification of the device (only the power supply is interrupted). If the download speed falls below a defined threshold value, a relay switches the modem off and on for a short time.The time of the measurement is also shown. The result of the bandwidth and ping measurement is shown on an e-ink display.A command line version of is used as the basis for the measurements. The Raspberry Pi Zero is connected via WLAN, tests up- and download speed and performs a ping measurement every half hour.
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