In SWD mode, the connection is successful, but the flash cannot be written or read. It prompts an error. This is the configuration. What's going on? I have measured the pin voltages and they are all n...
PVS is applicable to places with signs and markings prohibiting temporary parking. The application range is very wide, including airports, stations, MRT, docks, schools, museums, exhibition halls, are...
[table=98%][tr][td=2,1][color=#03438d][size=14px]ISO series isolation amplifier IC field external protection solution reference[/size][/color][/td][/tr][tr][td=2,1][/td][/tr][tr][td=2,1][/td][/tr][tr]...
I made a dual-channel voltmeter using AD7705+STC12C5616+1602, which can display two voltages at the same time. The measuring range is 0.000V-60.000V. The chip is powered by 5V and has a 2.5V reference...
Figure 1 below compares narrowband and ultra-wideband technologies. UWB pulses (center and right) are only 2 nanoseconds (ns) wide, making them less susceptible to interference from reflected signals ...
The eight-zone wireless alarm in the duty room is a very versatile alarm device. It can easily form a home security system and can be networked with other wireless alarm probes, making function expans...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[Details]
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]
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]
1. Brief description A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[Details]
Household photovoltaic power stations mainly utilize idle resources on existing household buildings, such as roofs, wall facades, balconies, courtyards, etc., to install and use distributed photovo...[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]
The single-chip microcomputer running light program requires all 32 serial ports to be used, and each serial port has eight LEDs. Question supplement: The 8051 single-chip microcomputer is used, an...[Details]
A simple experimental programming question for the microcontroller: write a 3-byte binary addition subroutine. The program entry is: addend 1: 22H, 21H, 20H three bytes, 22H is the highest bit; adden...[Details]
Assume that the MCS-51 microcontroller uses a 12MHz crystal oscillator, and wants to use a timer to generate a pulse with a duty cycle of about 30% and a period of 60ms at port P1.0. ;==============...[Details]
1. Pin: 0 in 1 out Set Status Output status IO register setting DDR×A certain bit is set to 1, and the corresponding bit IO is set to output; PORT×A certain position is 1/0, and t...[Details]