Author: Zhu Mingwu (Mingmo)The fuel gauge has three security modes: SEALED (locked), UNSEALED (unlocked), and FULL ACCESS (full access). Different security passwords are required to switch between dif...
I am using the msp430 2234 chip, using the timer to simulate the pwm output of the p3.3, and the p4 port is used for the led output. When I don't add the pwm output, the led display is very stable. Wh...
Why is the operating current of this circuit twice as large when the voltage is 12V than when it is 28V? The voltage range is 4.5V to 40V wide input. Does it mean that the higher the voltage, the more...
In the TTP299 chip, in the 16-key input mode, only the serial output mode can be used, using the 2-wire serial communication mode. How to write this method? Please give me some advice. It's urgent. Th...
Today, when I was adjusting SPI communication, I encountered a situation where the value in the send register was not what I wanted and an unexpected receive interrupt occurred. = (BIT2+BIT3+BIT1); IE...
Has anyone designed an integrated ultrasonic transceiver circuit? I recently want to make an ultrasonic distance measurement circuit. Now I have built a circuit by myself after finding information onl...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[Details]
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