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Wireless FM audio repeaters can modulate audio signals into high-frequency signals and receive them with FM radios within a certain distance. Wireless audio repeaters are widely used in wireless he...[Details]
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my country's photovoltaic industry has a significant high growth trend and plays an important role in the international market. It has achieved end-to-end independent control and is expected to tak...[Details]
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The STM32 input and output pins have the following 8 possible configurations: (4 inputs + 2 outputs + 2 multiplexed outputs)
① Floating input_IN_FLOATING
② With pull-up input_IPU
③ With pull-do...[Details]
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Online analysis instruments are different from other instruments. They are used to perform quality analysis on finished or semi-finished products in the production process. The parameters we measure ...[Details]
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On June 18, the Bureau of Industry and Security (BIS) of the U.S. Department of Commerce published a new interim final rule in the Federal Register, which amended the Export Administration Regulation...[Details]
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Purpose: To realize the running lights.
Source program:
/*This program is used in conjunction with STC89C51, crystal oscillator 12M, the serial port interrupt subroutine used in the middle is ...[Details]
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Xiaomi 5G digital mobile phones with models M2004J7AC and M2004J7BC have passed 3C certification. The applicant and manufacturer are both Xiaomi Communication Technology Co., Ltd., and the first cert...[Details]
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If you want to output PWM pulses from a certain IO port, the corresponding work is as follows: 1. A timer is needed to implement periodic cycle counting 2. Set the comparison value for each cycle to ...[Details]
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Complete source code download address: http://www.51hei.com/f/chcxde.rar
/***Using 2 595 drivers, dynamic scanning principle display, requires 3 IO ports of the microcontroller (DIO connected to...[Details]
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At present, there are more and more opportunities for audio amplifiers to be interfered by strong RF electric fields. Many audio amplifiers are not designed with high-frequency signal interference ...[Details]
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15W constant power switching power supply circuit
Figure 15W constant power switching power supply circuit
The circuit of the 15V, 15W constant power switching power supply ...[Details]
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For a long time, whenever we talk about chips, we always talk about the issue of "chip shortage". The chip shortage has profoundly affected various industries and is very inconvenient for many indust...[Details]
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The synchronous rectification step-down circuit made of LM2567+IR2111 is very efficient. When the input is 48V, the output is 24V, and when the input is 24V, the output is 12V. Please note that the p...[Details]
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ADAS are becoming an integral part of the car – interfaces to many different clusters of the car’s electric/electronic systems. Similar to the human body, this requires the implementation and netwo...[Details]
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introduction
As an important device in the field of industrial automation, the IO communication and signal settings of ABB robots are the key to realize data exchange and control bet...[Details]