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1. Supported chip models
It supports the most classic and market-leading AT89C51, C52, C55 and the latest S51, S52; AT89C1051, 2051, 4051 and other chips produced by ATMEL. The circuit a...[Details]
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When using the ICCAVR C compiler, you will find that the indentation of the TAB key is not 4 spaces, which is a bit messy. Have you noticed that the TAB key in the ICCAVR software is abnormal and dif...[Details]
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The wiring method of NAND FLASH is different from that of NOR FLASH and SDRAM. Taking K9F1208 used in TQ2440 development board as an example, the wiring method of NAND FLASH is analyzed. The structu...[Details]
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On March 25, State Grid Corporation of China held the first meeting of the Science and Technology Leadership Group in 2020 to thoroughly study and implement the important expositions of General Sec...[Details]
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The circuit shown in Figure 1 provides programming voltage for an EEPROM under the control of an external DAC (not shown). You can replace the DAC with a potentiometer to create a universal power supp...[Details]
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The first time I used the PIC12C509A chip to make an oscillator , its source program was PIC02. ASM, and the source program was edited in the first page of the program memory and the bank 1 of the ...[Details]
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At present, the popularity of cars is increasing day by day. The car inverter converts the 12 V DC output of the car cigarette lighter into 220 V/50 Hz AC for general electrical products. As a mobile...[Details]
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Bus: refers to an information transmission line that can serve multiple components. In a microcomputer system, various components communicate with each other through the bus.
Address bus: It t...[Details]
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The regulating valve, also known as the control valve, is the main type of actuator. It changes the fluid flow rate by receiving the control signal output by the regulating control unit and using p...[Details]
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What is the speed of the linear motor?
The linear motor is easy to support the magnetic suspension of the mover, so a certain air gap is maintained between the mover and the stator without con...[Details]
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Varactors are key components of circuits such as voltage-controlled oscillators, frequency modulators, and phase-locked loops. Traditional discrete electronic circuits often use special diodes as vara...[Details]
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Traditional wired burglar alarms only sound an alarm locally when a theft is detected. They have no internal controller and are easily damaged and ineffective. They are also inconvenient to install...[Details]
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Some time ago, mmap was used to implement a file copy operation. Now, Linux I/O is used to implement file copy. The basic idea is to copy the file to a common buf, and then copy the data in buf to the...[Details]
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The real-time data collected by the SCADA system goes through many links such as plant-side cables, transmitters, RTUs, telecontrol channels, communication distribution frames, telecontrol cables, ...[Details]
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introduction
Single-phase motors are widely used in industrial production due to their simple structure, low cost, and easy maintenance. However, the starting and speed regulation pe...[Details]