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A basic countdown timer is built with only an MCU, LCD, 32kHz crystal and a resistor, and can operate for more than 10 years with just a common button battery. There are two key design considerations ...[Details]
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After the Frankfurt Motor Show, Volvo will release its first mass-produced pure electric XC40 in October, and a lot of information about it has been disclosed. From the overall layout of the XC40, t...[Details]
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The Wireless Power Transmission Working Group of the Japan Broadband Wireless Forum has developed guidelines for wireless power transmission. The use scenario is assumed to be "transmitting power...[Details]
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After learning the theoretical part of IIC bus protocol, I think I should learn the specific operation of 2440 IIC controller. After all, the purpose is to learn S3C2440, so I will ma...[Details]
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Bidirectional voltage source high frequency link inverter
The bidirectional voltage source high frequency link inverter topology family is shown in Figure 4. From the perspective of the in...[Details]
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In order to realize automatic switching between AC power supply and inverter power supply, the EPS power supply must be a backup type according to national standards. Therefore, the automatic swi...[Details]
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Generally speaking, a switching device has two working states: the first state is called on
, when the impedance of the device is very small, equivalent to a short circuit; the second state is off, ...[Details]
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1. Project Overview
1.1 Introduction
A greenhouse is a place that can change the growth environment of plants, create optimal conditions for plant growth, and avoid the influence of seasonal chan...[Details]
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The biggest news on the second day of the Shanghai Auto Show Media Day did not happen at the car manufacturer’s booth, but in a large conference room. Huawei's rotating chairman Xu Zhijun announced...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The relay protection tester system adopts a distributed structure, so that the work of the system is dispersed to the control platform and the mainboard under test of the test device, which is ...[Details]
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#include "main.h"
void PWM_Ctrl(signed char i) //Pulse width setting
{
}
void OpenTime_Ctrl(signed char i) //Open time setting
{
}
void CloseTime_Ctrl(signed char i) //Close time setting
{ ...[Details]
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New energy vehicle chargers are mainly divided into two categories: DC and AC. DC chargers are mainly chargers that use DC charging mode to charge the power battery assembly of electric vehicles; AC ...[Details]
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Xiaomi's upcoming Poco F4 phone has appeared on Geekbench after getting a few certifications, including one from the FCC, reports GSMArena. Judging from the score, it is expected that the X...[Details]
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With the gradual development of LED lighting, LED lighting has gradually replaced some traditional light source products in public places such as auxiliary lighting for lighting projects. In commer...[Details]
Power technology
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