The STRING string in PCB in PROTEL99 cannot be rotated. Please help me. As shown in the figure below, after clicking the red dot in the figure, the cursor automatically moves to the lower left corner ...
SP（R13）
Special registers
LR（R14）
1. When a subroutine exists, the return address of the subroutine is saved
2. When an abnormal interrupt occurs, save the return address of the abnormal mode
...
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I accidentally discovered that the operating voltage range of a microcontroller is 5.5V-28V. This made me very curious in an era when 3.3V is the mainstream?I know that most automotive-grade MCUs are ...
As shown in the picture, I use it on a motorcycle. The IO is connected to a 3.3V microcontroller. It works fine when it is just installed, but after two days of use, it is accidentally turned on. The ...
LED lighting
applications will start with three basic input
power
levels: low power for less than or equal to 20W, medium power for applications greater than 20W: see Figure 1. Keep i...[Details]
Features: This section describes the key features of the MC9S12G-Family. S12 16Bit Central Processor Unit (CPU) External main clock (Main External Oscillator) 4MHz~16MHz crystal Built-in 1MHz RC...[Details]
Recently, the Shucun 220 kV transmission and transformation project, which was planned and constructed by State Grid Beijing Electric Power Company, was approved by the Beijing Development and Refo...[Details]
CINNO Research Industry News, LG Electronics will manufacture its own automotive semiconductors to internalize the semiconductor supply chain in order to cope with the automotive market where product...[Details]
The Party Leadership Group of State Grid Corporation of China held a meeting recently and established a new long-term development strategic goal, namely, to build an "internationally leading energy...[Details]
The party flag is flying high in our position!
——Record of the Central China Electric Power Control Center's battle against the epidemic to ensure power supply
"Bear in mind that the inte...[Details]
introduction
The drug filling system of pharmaceutical companies generally consists of an ultrasonic vial cleaning machine, a dry heat sterilization tunnel, and a filling and plugging machine....[Details]
Wound rotor motor is a type of asynchronous motor. Asynchronous motors are divided into wound rotor type and squirrel cage type according to the form of rotor winding.
The working principle of...[Details]
1. Purpose of the experiment
The flying saw automatic control system is constructed using PLC.
2. Experimental Equipment
YX-80 series PLC training device,
FX-20P handheld ...[Details]
It's no secret that the trend in the modern electronics industry is to integrate more functionality into the smallest possible form factor. Mobile phones are one such example. Many manufacturers toda...[Details]
Data released by International Data Corporation (IDC) showed that the traditional PC market (desktops, laptops, and workstations) in Europe, the Middle East, and Africa (EMEA) achieved strong growth...[Details]
The RS-485 bus uses twisted pair as the physical medium and works in half-duplex communication mode, that is, only one node on the bus can be the master node and be in the sending state at the same t...[Details]
On January 7, Xinyuan Micro released an activity record sheet for the period of accepting institutional surveys. Xinyuan Micro stated that the technical problems of the company's front-end coating an...[Details]
Energy-saving and environmentally friendly boilers are high-efficiency boilers that use new combustion technology and control systems and are used to supply heat energy in industrial production pro...[Details]
Recently, Tang Chuanle, deputy director of Shandong Nuclear Power Equipment Manufacturing Co., Ltd. (hereinafter referred to as: Shandong Nuclear Power Equipment), led a team to visit the Liquid Fl...[Details]
stm32/stm8
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