The board is powered by a button battery, which is 3V. TVS is used to prevent electrostatic breakdown. Under the condition of 1A test, the clamping voltage is 7V. Some people suggest using a TVS with ...
This paper introduces the hardware structure and design principle of a unit attendance system based on a new type of automatic identification chip iButtonTM, and gives the working process of the syste...
[i=s]This post was last edited by yang_alex on 2015-3-15 10:34[/i] The most common scenarios for GPIO in applications are lighting (LED) and pressing keys (SW). Other applications are very similar to ...
How do I print the contents to a file in Tcl ? For example, the following sentence: puts [ format "%40s%13s%13s%13s" "name" "num" "code" "com"] will print the corresponding characters in the modelsim ...
[i=s]This post was last edited by tclone on 2017-6-14 15:04[/i] I got a TPS54260 test version from TI. I found a problem and need some advice: When I convert 12V to 5V and connect the output to a resi...
Recently, I have been looking at information and looking for pin positions, mainly for various module interfaces. It must be compatible with the official board and ensure easy wiring in the future. Th...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
Automotive electronics are in a noisy environment
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so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]