Hi Pierre Could you please use fast scan example(https://github.com/espressif/esp-idf/tree/v4.2.1/examples/wifi/fast_scan) for wifi connection? After testing, the fast scan example took only below 2 s on IDF 4.2.1 to successfully connect to wifi, as follows : I (46) boot: ESP-IDF v4.2.1 2nd stage bo...

对 ESP32-S3 AT 感兴趣，但是不确定是否支持 SPI 接口。

Hi, thanlong341 The following resources may be useful to you: About the LIS2DH12 1. https://github.com/ubirch/ubirch-Lis2dh12/blob/master/Lis2dh12.cpp , This LIS2DH12 library has APIs for setting interrupts, etc. 2. https://docs.espressif.com/projects/esp-idf/zh_CN/latest/api-reference/peripherals/i...