Meet Walter : 4G, 5G, GPS & ESP32-S3 in a Single Module

At the heart of the “Walter” board lies the ESP32-S3 microcontroller, equipped with 2MB of RAM and 16MB of flash memory.
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7 cheap ESP32-based devices that do one thing perfectly

The ReSpeaker Lite ($32) is a ESP32-based audio kit with a 2-mic array from Seeed Studio that can transform your old speakers ...