The circuit is as shown in the figure. It is powered by 24V and divided into two groups of LEDs, AB. Usually, only one of the groups is lit. The reason is as follows: the customer powered on the LEDs ...
This is a microcontroller IO port input circuit that has been used for many years. EVCC is the common power supply terminal, which is a common anode input. I have always thought that R2 in the figure ...
//-------------------------------------------------------- //EEPROM byte write program //Function: write a byte to the internal EEPROM //Entry: EEADR = address //EEDATA = data //----------------------...
When writing source code in Verilog language, an error message appears: " should be of type reg, genvar" . However, after checking the code, I found that the variable mentioned has been configured as ...
[i=s]This post was last edited by littleshrimp on 2014-10-22 10:53 [/i] [align=left][align=left][color=rgb(70, 70, 70)]Today, when I opened the PCB project and prepared to draw, I found a strange prob...
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In today's society, heart disease has seriously affected people's life safety. Many patients with sudden heart attacks are threatened because they cannot get timely treatment. Traditional ECG monito...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
Currently, it is impossible to dynamically obtain patient information in medical monitoring. Once the patient's condition worsens, emergency treatment cannot be implemented in the first place, and the...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
Preface
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As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
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Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
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1 Introduction
The brushless DC motor uses an electronic commutation device to replace the mechanical commutation device of the traditional DC motor, and has similar mechanical character...[Details]
0 Introduction
The peak value of AC voltage refers to the maximum value (positive peak value) or minimum value (negative peak value) of AC voltage, which is a very important parameter in t...[Details]