It provides you with the help of low-power Bluetooth and material saving design of the self timer solution. It uses analog input mode to monitor the sensor, and connects the APP through the UART/SPI/USB interface with built-in Bluetooth protocol to achieve self timer, so that developers can create more compatible products with high integration and programmability, and quickly modify the hardware to adapt to a variety of applications. Bluetooth has very low power consumption and is easy to produce.

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