If you own several badges, cards, or tickets and would like to automatically publish the number of unused badges on the web in real-time, there is no off-the-shelf solution. This post describes how to build such an IoT system.
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Connecting the AVR-IoT Cellular Mini Board to the Internet
The featured image of this blog post is based on a picture by Gerd Altmann from Pixabay.
When you want to connect a sensor or actuator to the Internet and there is no WLAN around, then the next best option is LPWAN (Low-Power Wide Area Network). In this blog post, I will describe how to connect a sensor to a website using the AVR-IoT Cellular Mini board by Microchip.
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