After installing protel 99 se, the following problem occurred. I tried many methods but couldn't solve it. It's very urgent. I hope the experts can help me....
Web2.0 has a promising profit prospect 2006-7-11China's top portal website recently officially entered the full "blogging" state. On May 17, Ding Lei announced at NetEase's financial report press conf...
A complete DSP program contains at least three parts: program code, interrupt vector table, and link command file (or link configuration file) (*.cmd).
The link configuration file determines the optio...
1. Introduction:
The official demo uses a blocking method to light up the lamp, which means waiting. During the waiting period, the MCU cannot do other things (except interrupts). This method is not v...
A brief discussion on the development creativity of electronic products and the use of online resources to assist in development : https://training.eeworld.com.cn/course/5344...
As LED light output continues to increase, color and white high-brightness LEDs have been able to replace incandescent lamps for automotive lighting. Since LEDs are low-voltage devices, their for...[Details]
Use P1.0-P1.3 of AT89S51 microcontroller to connect four light-emitting diodes L1-L4 to indicate the current count data; use P1.4-P1.7 as the input end of preset data, connect four toggle switches ...[Details]
The reporter recently learned from Qiuchang Subdistrict, Huiyang District that Qiuchang Subdistrict is promoting the construction of a new energy storage industry base with high standards. Relying on ...[Details]
The chips used in the previous few times are all step-up and step-down chips. This time, the chip used not only has the function of step-up and step-down, but also has the function of providing neg...[Details]
Write a program to implement the following functions. Use the serial port master on the computer to send one character to the development board at a time. Every time the development board receives a ...[Details]
It can be said that 99% of engineers are often confused by S parameters. When S parameters are used to define some specifications, often the definers themselves do not understand S parameters. This...[Details]
Nubia held a new product launch conference "To Image" at the RNG Arena in Beijing, officially launching the dual-screen smartphone Nubia Z20, which comes in three colors: Diamond Black, Koi Red...[Details]
Recently, the major scientific and technological achievement transformation project "High-performance vanadium liquid flow battery and large-scale advanced energy storage power station achievement ...[Details]
China, June 29, 2022 -
STMicroelectronics announced the launch of the ST4SIM-201 machine-to-machine communication (M2M) embedded SIM (eSIM) chip
. The new product complies with the latest 5...[Details]
When a product requires a segment LCD display, if an MCU without an LCD driver is used, an external LCD driver IC is required, which increases the cost and PCB area. In fact, many small projects, such...[Details]
This post is about how to upload the temperature data of the temperature sensor (DS18B20) to the OneNET cloud platform through the HTTP protocol using the 82C52 MCU via the wifi module (ESP8266). Req...[Details]
Today, Lenovo Mobile Business Manager Chen Jin @神奇的劲哥 posted a photo of the Motorola moto edge X30 on Weibo, showing the front of the phone. This phone uses a straight screen design with a cen...[Details]
The targets detected by radar are usually moving objects, such as airplanes and missiles in the air, ships at sea, and vehicles on the ground. However, there are often various backgrounds around th...[Details]
I have always wanted to write a post to summarize my learning experience, experience and methods. Today I finally started writing it. Haha, this is my experience, experience and method of learning ...[Details]
This time, Japanese Toyota, Honda and Nissan all showed up at CES 2020. Japanese manufacturing companies also showed a different look than before under new technological innovations, especially Toyot...[Details]