In the past, I made direct-insert PCBs. I usually set the line width of the power and ground lines to 50 mils, and the other lines to 30 mils. Now I want to make a PCB with both SMD and direct-insert ...
Recently, I need to display digital tube-style numbers on the LCD screen. I have been thinking about it for a long time but can't find a good solution. When I was writing a document note about using P...
At first, the UART_Keyboard of the official example program always failed to run on the computer, so I went online to learn about the specific process of UART implementation, modified the official exa...
1. What is the starting address of the DSP after reset?0x3FFFC02. What are the steps for burning the program in the emulator?Burn the program to the specified location according to the cmd file, and t...
Apple has internally discussed the idea of launching some iPhone models without SIM card slots by next year, according to Bloomberg reporter Mark Gurman. In his latest Power On newsletter, Gurman s...[Details]
The emergence of the emerging field of semiconductor lighting has made engineers who specialize in power electronics, optics, and thermal management (mechanical engineering) in high demand. Current...[Details]
1 SDRAM addressing: The board uses a modern sdram chip 4M×16b×4Bank, which is 32MB. It should have 25 address lines, but the chip only provides 13 address lines, 2 bank select lines (BA0, BA1), and t...[Details]
This article only discusses the baud rate of serial communication working mode 1.
Formula: Baud rate = (2^SMOD/32) * (T1 overflow rate)
Among them, when SMOD=0, the baud rate is normal
When SMO...[Details]
Clinical help calls are an important means of transmitting clinical information. The ward pager is an emergency call tool for patients to request doctors or nurses on duty for diagnosis or care. It...[Details]
1-4-3. Calculation of energy storage inductance of parallel switching power supply The calculation of the energy storage inductor in the parallel switching power supply is basically the same as the n...[Details]
Huawei announced its ecological layout, and the future is full of challenges and unknowns. According to a report released by IDC, a global authoritative market research organization, China's ICT spen...[Details]
The dust concentration meter is a device developed and produced for the detection of various dust concentrations in the current production workshop. It is mainly used for online measurement of dust c...[Details]
The production of the specific circuit is very simple. Just connect two resistors, one is a 10 ohm backlight current limiting resistor, and the other is a 2K LCD plate voltage adjustment resistor. How...[Details]
Laser Doppler blood flowmeter is an instrument used to measure the blood flow perfusion flow and microcirculation state of tissues and micro-areas in microcirculation research. Using Doppler mobile co...[Details]
Among the u-boot code selections, only 201009 is the latest u-boot version that can be compiled directly without memset.s. After blocking the call of lowlevel_init, I moved all the hardware initial...[Details]
Another semiconductor company announced the termination of its listing. On September 12, Nanjing SEG Microelectronics Technology Co., Ltd. (hereinafter referred to as "SEG Micro") issued an announcem...[Details]
The combination of Heizhima Intelligent's high-computing autonomous driving computing platform and Uhnder's 4D digital millimeter-wave imaging radar will significantly improve the safety performance ...[Details]
The communication interface of PCF8591 is I2C, so programming must comply with this protocol. The microcontroller initializes PCF8591 by sending a total of three bytes. The first byte, similar to EEP...[Details]
As mobile phone pixels become higher and higher, various photo-beautifying software emerges in an endless stream. Using mobile phone photography to record life has become a daily routine for people i...[Details]