具体板子和管脚的信息大家可以打开上面的网址,会查看得比较详细,或者这个PDF里,会有大家想找的管脚功能描述:(这是芯片手册,所有的管脚描述都是针对芯片而言) https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_cn.pdf 上面会描述各个管脚可实现的复用功能 2.硬件设计 ① Strapping 管...
esp32-s3_datasheet_cn.pdf (espressif.com) while循环 在whlie循环之前还申请了一段空间用于存放数据: while循环的主体如下: while (1) { // Read data from the UART int len = uart_read_bytes(ECHO_UART_PORT_NUM, data, (BUF_SIZE - 1), 20 / portTICK_RATE_MS); // Write data back to t...
Re: ESP32-DevkitC V4 LED allways onby ESP_Sprite » Fri Dec 13, 2019 1:30 am I'd say the AMS1117 is your culprit. The datasheet talks about an internal diode between the output and the input; that would backfeed the 5V line with 3.3V if you only power it via 3.3V....
Features of ESP32-DevKitC ESP32-DevKitC has several features that make it a popular choice among developers. Here are some of the key features of the ESP32-DevKitC: 1. Dual-Core Processor ESP32-DevKitC comes with a dual-core processor, which allows it to handle multiple tasks simultaneous...
ESP32-DevKitC V4 เป็นขนาดเล็ก ESP32-based Development Board ผลิตโดย Espres-SIF. ส่วนใหญ่ I/O Pins หักออกไปขาหมุดทั้งสองด้านสำหรับ ...
ESP32-DevKitC V4 Getting Started Guide ESP-WROVER-KIT V4.1 Getting Started Guide Important When you reach theGet Startedsection of the Espressif guides, stop, and then return to the instructions on this page. Download Amazon FreeRTOS fromGitHub. (For instructions, see theREADME.mdfile.) ...
Re: ESP32-DevkitC V4 LED allways onby ESP_Sprite » Fri Dec 13, 2019 1:30 am I'd say the AMS1117 is your culprit. The datasheet talks about an internal diode between the output and the input; that would backfeed the 5V line with 3.3V if you only power it via 3.3V....