3. **ESP32的内存不足**：ESP32的内存有限，如果内存不足，可能会导致send函数无法正常返回。这种情况...
步骤1: 找到sd_protocol_types.h文件 sd_protocol_types.h文件位于v5.4\esp-idf\components\sdmmc\include\sd_protocol_types.h,你可以使用文件管理器或命令行工具找到该文件。 步骤2: 定位到SDMMC_FREQ_DEFAULT宏定义 打开sd_protocol_types.h文件,找到以下行:c #define SDMMC_FREQ_DEFAULT 20000 步骤3: 修改...
1. 查找ESP-IDF框架：ESP32-S2使用的是ESP-IDF开发框架，首先需要了解这个框架的结构和组件。2. 定位...
#endif /* BLE_DEBUG */ #define DEVICE_NAME "ESP32-C6" char *TAG = "BLE-Server"; uint8_t ble_addr_type; void ble_app_advertise(void); extern char * buffRxBLE; // buffer reception extern char *buffTxBLE; // pointer for tx buffer // data sent from remote partner/app to ESP32...
how can i send the data request http POST using https_request from esp32 to webserver..? Thank you. Regards.kolban Posts: 1683 Joined: Mon Nov 16, 2015 4:43 pm Location: Texas, USA Re: HI everyone,how can i send the data request http POST using https_request from esp32 to web...
esp32蓝牙meshESP32蓝牙物联网 最近本来想实现微信小程序通过OneNet平台控制灯开关的,没想到微信小程序代码都写好接口了,才发现onenet想下发命令的应用管理得要钱了,秉承白嫖绝不白给的精神,毅然决然的转用阿里云平台。 文章目录一、阿里云平台1.1开通公共实例1.2创建产品1.3创建设备1.4获取相关的设备数据1.5创建物模型数...
I'm working on a project that reads online data from sensors and sends them to a webserver(with post.req) also, the data are saving in an sd card at the same time. now I want to send the file that created in sd card to the webserver is it possible it would be great if someo...
Learn how the UART serial communication protocol works with the ESP32 using Arduino IDE: the basics of UART, default and custom UART pins, basic functions, communication between boards.
Adafruit IO: Send and Receive Data Adafruit IO gives you the option to disconnect your microcontroller from your computer and run it off of USB power or a battery, and still be able to see the data. It also allows you to send data to your microcontroller, such as NeoPixel colors. This ...
Yes - I know this is a silly way to do this - but I have an esp32-cam and I'm using ESP-IDF. It looks like ESP-MQTT is only able to send char*. What is the best way to encode an esp32-camera frame buffer (jpeg) to a char* to send via mqtt? (I'll decode with python...