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1 Design concept of digital household electricity meter In recent years, digital household electricity meters have been rapidly promoted and applied in China, and have great market prospects. From th...[Details]
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As the bridge and link of the photovoltaic power generation system, the inverter's "empowerment" is particularly important in order to better utilize the "performance" of the components.
W...[Details]
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1. Receive what you send
/*
Project creation MCU selection, Atmel 89C55
MCU: STC12C5A60S2
Crystal oscillator: 12M
Function: Serial port application
Baud rate: 4800 8 None 1 None
*/
#include ...[Details]
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Jiwei.com reported that on April 26, at the 2019 Guangdong-Hong Kong-Macao Greater Bay Area Digital Innovation Development Forum and the Tonghu Science City Industrial Development Center Open Event, ...[Details]
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Design ideas of electromagnetic tracking part: Inductor collects electromagnetic signals, amplifies, rectifies, filters, and collects AD signals Electromagnetic signal amplification circuit: The op...[Details]
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Recently, Shanghai Xinyang said at a performance briefing that the company's research and development of photoresists ArF and ArF-i is progressing smoothly, and two series of experimental products ha...[Details]
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According to foreign media 91Mobile, a mysterious phone with model number LG-Q0520Q has obtained Bluetooth SIG certification. The list also includes models such as LM-Q620VA, LM-Q620QM, LM-Q620...[Details]
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Internal data memory lower 128 cells The internal RAM of the 8051 microcontroller has a total of 256 units. These 256 units are usually divided into two parts according to their functions: low 128 un...[Details]
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Clamp ammeter and multimeter are both necessary equipment for electricians. The two instruments have different functional emphases. Clamp ammeter focuses on measuring high current circuits while mult...[Details]
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From GM Onstar in 1996, to BMW 7 Series iDrive in 2001, to Audi A4L's Mini in 2018, voice recognition and interaction technologies are activating the upgrade of traditional car cockpits to digital an...[Details]
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Time Domain Analysis Method of Control System--Steady-state Error of Control System
From the previous description, we know that if a linear control system is stable, then star...[Details]
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Step 1: Previous work from other sources The Sparkfun adapter comes as a bare board that you equip with simple headers for both 6-pin and 10-pin Atmel-compatible ISP connectors. The use of polari...[Details]
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There are many power supplies with adjustable DC output range of 0V~30V or 60V on the market, but few power supplies are higher than 60V. This design example can provide such a solution. There ar...[Details]
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1. Pointers Pointer to variable a = address of variable a Define another variable p to store the address (pointer) of a. p is a pointer variable, also known as pointer for short. 1.1 Two ways to de...[Details]
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The soft starter is an electrical device widely used in the industrial field. It controls the starting current of the motor to achieve smooth starting of the motor, reduce the current shock during ...[Details]
RF/Wirelessly
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