Programming VIP

Chapter 0: PrefaceThe smart car design starts from 0 and involves multiple modulesThis article includes not only the production process, but also some problems and solutions encountered in the production process.If the clock is not set, the system default clock is 72MHz, which is in the system_stm32f10x.c file (#define SYSCLK_FREQ_72MHz 7200000 ...

target Recently, a project is being developed. The requirements of the project are as follows: On the H5 (based on vue framework) page, call the webluetooth interface through js to read the data transmitted by a Bluetooth device and return to the display. introduce background With the rise of PWA, more and more web services are supporte ...

The following definitions of relevant API interfaces can be viewed in l Lexin's official website: Wi Fi Library - ESP32 - ESP-IDF programming guide v4 4 documents STA mode configuration process: #include <string.h> #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "freertos/event_groups.h" #include "esp_system.h" #inclu ...

summary Central and peripheral roles There are two roles in ble, one is Central and the other is Peripheral. Bluetooth devices or mobile phones can be used as Central or Peripheral roles alone. The function of the Peripheral role is to provide various data for the Central role. The Central role can scan and receive multiple Peripheral role dat ...

General catalogue Construction of single chip microcomputer HLK-W801 development environment Single chip microcomputer - HLK-W801 Bluetooth BLE function test Yesterday, the demo ran clearly. Today, let's take a look at the LED of the development board lit by the mobile phone through Bluetooth remote control. Although this is not a typical use ...