The switching power supply chip OB2202, the 3rd pin for detecting current will slowly increase the feedback voltage over time, and according to the information on the Internet, it is found that it has...
DC Power Supply Design : https://training.eeworld.com.cn/course/4387DC Power Filter (DC Power Filter)DC power filter is the foundation that affects the entire hardware circuit.Course Objectives:Unders...
For high-voltage H-bridge PMW motor drive, power MOSFET and IGBT are mainly used as switch tubes, and the drive circuit of the switch tube usually adopts integrated drive circuit to convert the PWM co...
This series of documents would like to thank forum members wstt, david_lee, cat3902982, sugerlatu, zhangdaoyu and other friends for their strong support. They spent a lot of time and energy to organiz...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]Various perpetual calendars, thermometers and hygrometers, clocks, radio clocks, timers, pedometers,Chips involved in calculators...
The program uses a lot of AD modules:using sequence channel single sampling, the lower 8 registers are basically the same as the upper 8 registers, but if you want to use the upper 8 registers in the ...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
1 Introduction
This laboratory is mainly based on the characteristics of vocational education. It provides remote PLC technology training and teaching experiment functions for on-campus (studen...[Details]