As a simple digital communication method, I2C only needs two data lines to complete the communication between the host (Master) and the slave (Slave) at a short distance, saving MCU pins and additiona...
Hello, moderators and professional technicians: I am a new student. I have recently uploaded three learning materials. I am not able to evaluate the quality of the uploaded materials and the newness a...
I used stm32 to drive the MAX7219 module. I found that the module had different power-on behaviors at different times, and the behaviors were different when the emulator was plugged in or not. I had p...
If you connect a 100uf and 1000uf electrolytic capacitor in parallel and connect the positive and negative poles of the power supply in reverse, which capacitor will explode first? Or will they explod...
People who know the U8g2 mentioned above all say that U8g2 is a good thing.
U8g2 is a monochrome graphics library for embedded devices, supporting monochrome OLED and LCD, including but not limited to...
Because the output of the microcontroller is open-drain output, just like the collector of a transistor, it cannot output a high level without a pull-up resistor. The pull-down resistor pulls the lev...[Details]
Packaging and testing process, intelligent dry pump monitoring, AI equipment and labor safety monitoring
Improving productivity, quality and safety in semiconductor manufacturing
...[Details]
Thanks to the development of quantum technology, people can use the basic principles of quantum mechanics to solve problems that are difficult or even impossible to solve with current technology. Qua...[Details]
LPC2478 spi usage LPC2748 has an SPI controller that can be used as an SPI master or slave, with the following features It is easy to use and supports interrupts. The registers used are as follow...[Details]
Anup Bhalla, Vice President of Engineering at UnitedSiC Silicon carbide (SiC) is an important semiconductor technology in the electric vehicle (EV) space due to its multiple properties, with SiC de...[Details]
Experimental requirements: Use the P1 port and the matrix keyboard interface to write a keyboard scanning program to display the key codes entered by the keys on the LCD display.
//This is the sevent...[Details]
Since the beginning of this year, the impact of chip shortages on the European automotive industry has continued to intensify, and the "chip shortage" crisis is spreading to areas such as consumer el...[Details]
Tosda's revenue in 2022 increased by 51.36% year-on-year
On April 25, Tosda released its 2022 Annual Report (hereinafter referred to as the "Report...[Details]
This article is a detailed summary and analysis of C language string operations. Friends who need it can refer to it.
1) String operations
strcpy(p, p1) Copy a string
strncpy(p, p1, n) Copy a s...[Details]
1 Matrix keyboard Matrix keyboard is also called row-column keyboard. It is a keyboard composed of four I/O lines as row lines and four I/O lines as column lines. A key is set at each intersection of...[Details]
Semiconductor lighting
Light sources have now entered the lighting field in large quantities, but many problems have arisen, mainly
energy efficiency
, reliability, light color qualit...[Details]
Street lights are installed outdoors, and lightning strikes are a very big threat. At the very least, it will cause damage to the street lights, and at the worst, it will cause fires or casualties...[Details]
SWD:Serial Wire Debug We usually use Jlink downloader, but one disadvantage of this downloader is that it uses Jtag 20PIN interface. Too many PINs will make some small PCB boards crowded and in...[Details]
PC: CentOS5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
1. Make menuconfig to remove the original touch screen driver
- Device D...[Details]