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The top row of pins is the row, and the bottom row of pins is the column. The row is the LED anode. Each row and column is controlled by four 74HC573, each controlling 8 pins. At the sa...[Details]
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There is a growing trend for portable consumer products to require wireless connectivity . Unfortunately, due to the short battery life, designs cannot achieve true mobility. Therefore, a power cor...[Details]
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As an actuator, the stepper motor is one of the key products of mechatronics and is widely used in various automation equipment.
The difference between a stepper motor and an ordinary electric...[Details]
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Everyone knows that stm32f4 has rich internal resources and powerful external peripherals. It has two 32-bit counters, which is very good for many projects that need to count pulses. It not only save...[Details]
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Abstract: In order to adjust the phase difference between two sinusoidal signals of the same frequency, a dual-channel signal generator with adjustable phase relationship is designed using DDS techno...[Details]
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0 Introduction
With the rapid development of microelectronics and wireless communication technology, the research on wireless sensor networks (WSN) has attracted more and more attention. A sen...[Details]
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1. The STM8 peripheral library driver provides a lot of code. If the requirements are not high, you can directly use the library driver 2. Flash blocks have a fast erase speed, but the function mus...[Details]
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Please look at the program at the bottom first.
This is a program for Keil software, called "pure software" reset. The so-called "pure software" means that it does not directly operate hard...[Details]
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The ports of MSP430 are P1, P2, P3, P4, P5, P6, S and COM (different models contain different ports, such as MSP430X11X series only have P1 and P2 ports, while MSP430X4XX series contains all the above...[Details]
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NEC Electronics and Western Digital jointly promote the popularization of USB3.0
NEC Electronics and Western Digital Corporation, a world-leading supplier of hard disk drives, recently ann...[Details]
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1 Introduction
With the continuous development of silicon micromechanical technology, micro-accelerometers based on the piezoresistive principle have become a commodity. Due to the excelle...[Details]
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The rising costs and the weakening voice are pushing one car company after another to make batteries themselves. The camp is growing. For GAC, which does not want to be a worker, making batteries is a...[Details]
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1. Introduction
Quartz crystal resonators (hereinafter referred to as quartz crystals) are widely used in the electronics field as a frequency reference and clock source with excellent per...[Details]
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introduction Traditional lithium battery charging management chips are generally step-down type, that is, the input voltage must be higher than the battery voltage. Therefore, for charging two lith...[Details]
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Here we use PCF8591 AD DA chip and 51 single-chip microcomputer, and a potentiometer. By controlling the potentiometer, PWM wave is generated to control the rotation of the servo. And the angle is di...[Details]