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(Li Yingmin and Li Huo) The reporter learned from the Guangdong Power Grid of the State Grid Corporation of China on the 13th that with the continuous acceleration of Dongguan's economic and social...[Details]
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Today, the official Red Magic gaming phone announced the screen refresh rate of the new phone. Tencent Red Magic Gaming Phone 6 supports a 165Hz refresh rate. Ni Fei, President of ZTE Terminal Busi...[Details]
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HSH8927 is a new dual-channel audio circuit from PHILIPS. It has an input mute function, no current impact sound when turning on/off, and overload short circuit protection, which is suitable for the H...[Details]
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1. The inverter external switch controls the forward and reverse circuits
2. Power on the inverter (press button SB2 to form a self-locking circuit)
3. Forward control (switch...[Details]
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The circuit is shown in the figure. Its core device IC1 is TOP221 , a three-terminal high-voltage switch integrated circuit, which integrates a voltage-type pulse width modulation oscillator, a ref...[Details]
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On the morning of March 5, Zhao Jing, secretary of the Shangluo Municipal Party Committee, led relevant city and county officials to Wuzhou Mining to investigate the industrial development. Zhao Xi...[Details]
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introduction At present, PVC plastic window profiles are widely used at home and abroad. Its many advantages such as good heat insulation, heat preservation, sealing, sound insulation, energy saving,...[Details]
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Recently, overseas media reported that the Alise project team announced that it has produced a new generation of lithium-sulfur battery test prototype with an energy density of 325Wh/kg. The project ...[Details]
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The fully automatic detection system for construction machinery is composed of a detection system, a fault diagnosis system, and a management system. It is characterized by miniaturization, integratio...[Details]
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With the expansion of the communication network,
the centralized power supply
of communication power
supply has gradually changed to decentralized power supply. On the other hand, from t...[Details]
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1 Introduction
According to the principle of Hall effect, the magnitude of Hall potential depends on:
Rh is the Hall constant, which is related to the semiconductor material; IC is the bi...[Details]
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stm32 is an arm cortex-m3 architecture chip. It can be used with library functions to realize various functions more conveniently, especially when combined with various bus development applications. ...[Details]
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Achronix announced that 10 million Speedcore eFPGA IP cores have been shipped in customer ASICs. Achronix is the only FPGA supplier that offers both high-performance standalone FPGAs and eFPGA IP. ...[Details]
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After a few days of work, I finally ported ucos-ii to MC9S12XDP512. Here is a brief note. ucos-ii version: 2.52, compiler: Freescale CodeWarrior5.9 chip: MC9S12XDP512 Transplant...[Details]
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summary
The world of technology is ever-changing, and the need for efficient and reliable power solutions continues to rise. In recent years, 48 V supply voltage has received a l...[Details]
stm32/stm8
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