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The timer working process can be in this order (take 51 as an example to use timer 0 mode 1 to generate a 50 millisecond timing) 1. The lower four bits of TMOD are used to set timer 0, and the upper...[Details]
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1. Subtraction instruction with borrow bit SUBBA, Rn; (A) (A) - (Rn) - (C), the following are similar. SUBBA,direct SUBBA,@Ri SUBBA, #data Note: Clear C before subtraction. All subtraction instructio...[Details]
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When talking about lenses, we often think of traditional lenses such as spherical lenses, aspherical lenses, internal aspherical lenses, and double-sided aspherical lenses. However, with the increa...[Details]
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Recently, Stratasys (Nasdaq: SSYS), a 3D printing and additive manufacturing solution provider, and Shanghai Kindly Medical Technology Co., Ltd. (Kindly Medical) officially signed a strategic coopera...[Details]
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The circuit of the microcomputer data acquisition system composed of AD570, AD1408 and microprocessor CPU8155 is shown in the figure. The measured circuit of this circuit has 8 channels, and each chan...[Details]
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1. Overcurrent Overcurrent is the most frequent inverter alarm phenomenon. 1.1 Phenomenon (1) When restarting, the circuit breaker trips as soon as the speed increases. This is a very serious phen...[Details]
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2019 is undoubtedly a year of reform and self-help for the color TV market. In the cold winter of color TV, the biggest highlight in 2019 is Huawei's launch of smart screens to change the color TV ma...[Details]
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At present, two types of ultrasonic flowmeters are commonly used, one is Doppler ultrasonic flowmeter, and the other is time-difference ultrasonic flowmeter. The Doppler type uses the phase differen...[Details]
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This paper adopts MPC07 control card as the development platform of motion control system, and uses VC++ to carry out secondary development of MPC07 motion function library to write object-oriented co...[Details]
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Introduction: While improving the anti-interference ability of hardware systems, software anti-interference is gaining more and more attention due to its flexible design, saving hardware resources an...[Details]
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0 Introduction［1］
Traditionally, permanent magnet synchronous motors with trapezoidal wave back EMF are called brushless DC motors. Torque control of brushless DC motors requires rotor positio...[Details]
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The emergence of lithium batteries in the 1990s is an important milestone in the field of energy technology. Compared with other secondary batteries, lithium batteries have higher volume density an...[Details]
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Sustainable development is also a key factor that electric vehicle charging facilities need to consider. The development of charging facilities needs to consider sustainable development factors, su...[Details]
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The working principle of the brushless motor can still be imagined as a cylinder, but this time it is not a small round rod rotating in the middle, but a magnet rotating in the middle. The column w...[Details]
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For the new PCB board we just got , we should first roughly observe whether there are any problems on the board, such as whether there are obvious cracks, short circuits, open circuits, etc. If neces...[Details]
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