MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.

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Supports: WebSocket, SSE, Authentication, Arduino Json 7, File Upload, Static File serving, URL Rewrite, URL Redirect, etc. RPAsyncTCP replaces AsyncTCP to provide support for RP2040(+WiFi) and RP2350 ...

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I've tried for the first time the example echobot using an arduino nano 33 iot and the classical arduino ide. I have created a bot using botfather. I have uploaded the code of the example on the board ...