PB64-01200-8

In 2017, Sanan Optoelectronics achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]

1. Development Environment       1. Applicable chips: All STM32F4 chips       2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0       3，IDE：MDK517 2. Driver source code       Delay.h...[Details]

Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]

1. Test environment description Hardware platform: NUCLEO-F767ZI development board (STM32F7, Cortex-M7, 216MHz, 2MB Flash, 512KB SRAM)  Operating system: FreeRTOS v9.0.0 (CMSIS-RTOS v1.02)  TCP/IP p...[Details]

LAN8720 configuration:  IP: 192.168.192.30  Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]

From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]

In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]

I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]

The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]

LiDAR: Autonomous driving from the perspective of optoelectronic technology LiDAR and competing sensor technologies (camera, radar, and ultrasonic) intensify the need for sensor fusion and the need...[Details]

The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a combination...[Details]

ADI has established long-term good relationships with car manufacturers and Tier 1 component suppliers. Based on its previous long-term successful cooperation with new energy vehicles and suppliers a...[Details]

STM32 has three startup modes. In RM0008 downloaded from the ST official website, you can find the startup-related configuration instructions: Translated into Chinese: The storage media corresp...[Details]

Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h   #define PORTLEN P0   sbit bit_select = P2^0; sbit seg_select = P2^1;   unsigned char src = {0x3f,0x06,0...[Details]

1. A/D (Analog-to-Digital) and D/A (Digital-to-Analog) Conversion 1. Pin AOUT: Analog output Vref: reference voltage AGND: Analog ground EXT: Ground OSC: Floating SCL，SDA：IIC AIN0, AIN1, AIN2: anal...[Details]