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R60ABD1 Radar Data Bridged to MQTT via ESP32-S3 Gateway

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The R60ABD1 60 GHz sleep and breathing radar reports presence, breathing rate, and sleep data over UART using the SIP-S V1.0 protocol but has no built-in Wi-Fi or MQTT support. A guide shows how to connect it to an ESP32-S3-WROOM-1 development board, which acts as a gateway to parse the frames and optionally publish them to an MQTT broker. The wiring uses UART1 on GPIO17 and GPIO18 at 3.3 V TTL levels, so no level shifter is needed, and the radar is powered from the board's 5 V pin with a shared ground. The setup avoids GPIO19 and GPIO20, which are reserved for native USB. Parsing is implemented in ESP-IDF, with SIP-S frames checked for header, footer, and checksum before being dispatched by control class.

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R60ABD1 Radar Data Bridged to MQTT via ESP32-S3 Gateway · ShortSingh