FemtoBeacon ESP32 coin

A dime sized (9mm radius) ESP32 Wifi/Bluetooth 4.2 coin.

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femtoduino has 512 orders / 8reviews
Ships from United States of America

This is a dime sized (9mm radius, 18mm diameter!) WiFi/Bluetooth 4.2 coin! The onboard LDO regulator can accept up to 5.5V, and supplies 3.3V to the coin. Available pins: UART, SPI. Includes onboard RGB LED, a push button (Boot button), and headers.

Uses a Molex 2.4GHz omnidirectional antenna.

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guida.r wrote 09/20/2019 at 21:21 point

Is there any Arduino code to test the SPI interface?

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