What mode and API should be set for Zigbee positioning? Is the RSSI signal obtained from the serial port or a certain controller? Is the RSSI signal obtained the same as the RSSI of the center? If it ...
The board has only one serial port and no network port. The development machine Target Server uses the serial port to communicate with the board. There is no problem downloading programs, etc. The pro...
Now I need a signal with a frequency of about 10M, and control the output of a 50Khz signal through a single-chip microcomputer; I don’t know how to design it so that the frequency of the signal can b...
1. Why does the phone lose power quickly when charging with a computer USB? The reason is very simple: it is not fully charged! The USB output voltage of a computer is 5V. The reason why the phone can...
Today I realized the function of using wince as a USB disk. However, after plugging it in, the PC device recognized the USB disk, but there is a problem that the USB disk cannot be accessed and it pro...
China Energy Storage Network News:
According to reports, in order to reduce carbon emissions, a group of Japanese technology and energy companies are launching a pilot project that aims to al...[Details]
In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
From small households to large enterprises, energy consumption has always been a concern for everyone. The energy consumption of Chinese enterprises has always been high, and the country has also wor...[Details]
sprintf is a function in the C language library that converts data types. There is a situation where In 51 MCU, define unsigned char temp; Then I want to use the serial port to print out temp in deci...[Details]
ADC Introduction: ADC (Analog-to-Digital Converter). That is, converting analog signals into digital signals for processing. When storing or transmitting, analog-to-digital converters are almost ...[Details]
Ouster LiDAR OS-1 (left) and OS-2 (center) Velodyne invented the modern 3D LiDAR scanner in the mid-2000s, but in recent years conventional wisdom has held that Velodyne’s design — 64 lasers mounted...[Details]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
Table of contents: 1 Overview 2: Common interrupt functions 3: PWM output 1 Overview In development, timers are widely used, which can be simply summarized into three aspects: 1.1: Application of ...[Details]
6MHz crystal oscillator, using timer counter 1, using interrupt mode, through P1.0 to make a light emitting diode turn on for 100ms, turn off for 300ms, and repeat. Assembly programming is used to ac...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
