MCS-51 single-chip microcomputer fixed-point operation subroutine library (I) The fixed-point operation subroutine library file is named DQ51.ASM. For ease of use, the relevant conventions are explain...
1. Smile more, worry less; love more, hate less; read more, complain less; exercise more, do less beauty treatments. Life is plain as water. Add a little salt and it will be salty, add a little sugar ...
AC-DC controller, gate driver, digital isolator -------are they the same thing? They are devices that drive MOS gates. What is the definition of isolation? If there is a transformer, it must be isolat...
What is CMTI ?
CMTI, Common mode transient immunity, is one of the most important indicators of isolation products (including iCoupler digital isolators and optocouplers). CMTI common mode transient i...
introduction
The ability to accurately digitize a sine wave is a sensitive test of the fidelity of a high-resolution A→D converter. This test requires a sine wave generator with a residual distorti...[Details]
LTE (Long Term Evolution) is a new generation of communication technology that meets people's demand for large amounts of data in the current information age. LTE uses new technologies and new modula...[Details]
The insulating oil dielectric strength tester is mainly used for withstand voltage test of insulating oil. It can perform a single test, or multiple tests and automatically calculate the average valu...[Details]
The general lighting design is to calculate the illumination of the space at night, assuming that there is no daylight entering through the windows, and then determine the configuration of the lightin...[Details]
Note: This document may omit some modified parts. Please modify them according to the compilation situation.
The document will be updated in the future.
1. Download the uc/GUI 3.24 source cod...[Details]
Use a voltmeter to measure the voltage across a certain component. The operation is shown in Figure 1(a). If the circuit other than the measured component is regarded as an active two-terminal networ...[Details]
PWM The driving mode of the two-digit digital tube is dynamic scanning, and each bit is only lit for 50% of the time. We call this value its duty cycle. Let the pin output high level to light up the ...[Details]
Usually, when we measure the voltage value of a voltage regulator, we need to set up a circuit and adjust the resistance of the current limiting resistor. The measurement is troublesome and the meas...[Details]
This paper proposes a new method based on the mathematical model of the light intensity distribution of the curved LED array. On the basis of the derivation of the mathematical model of the light i...[Details]
Original poster: Has anyone ever used a single-chip microcomputer to control a mobile phone module? The mobile phone chip has a wireless transmission function, right? I connect the MCU to the chip an...[Details]
The simple temperature-measurement probe in Figure 1 can serve as an indispensable tool for troubleshooting and debugging electronic circuits. If the temperature at several points needs to be m...[Details]
II. Basic knowledge of TIM In the previous article, we talked about some knowledge about TIM. This article will talk about the knowledge related to TIM interrupts. TIM block diagram: TIM4 is a ba...[Details]
Recently, Zhongkong Technology Co., Ltd. (hereinafter referred to as "Zhongkong Technology") and Hangzhou Jiazhi Co., Ltd. (hereinafter referred to as "Jiazhi Technology") officially signed a strat...[Details]
On the evening of February 22, Huawei's Mate X2 folding screen flagship was officially released. The machine adopts a new double-helix water-drop hinge and uses a variety of high-precision m...[Details]
According to foreign media reports, car manufacturer Jaguar Land Rover (JLR) has applied for a patent to the World Intellectual Property Office, which mainly discusses conveying various information...[Details]