[Link] Picoclick C3T Is the World's Smallest IoT Button and It Has a RISC-V Processor

Read: 19/1/2022 www.hackster.io

WiFi-enabled buttons send an MQTT message or REST call from a single button push. This simple action enables a wide range of automation activities. For example, at one point, online retailers gave them to customers to quickly purchase replacement products.

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