I used STM32F103C6T6, and added a buffer chip 74LV07 through a port to drive the optocoupler at a low level. I found that sometimes the load of the optocoupler was turned on during the power-on proces...
USE IEEE.STD_LOGIC_1164.ALL; USE ieee.std_logic_arith.all; USE ieee.std_logic_unsigned.all; USE ieee.numeric_std.ALL; LIBRARY lpm; USE lpm.lpm_components.all; ENTITY test IS GENERIC (MIO_TOTAL : INTEG...
[size=4]The PWM output of the timer has 8 modes: [/size] [size=4] [/size] [size=4]Output mode 0 Output mode: The output signal OUTx is defined by the OUTx bit in the control register CCTLx of each cap...
I have to state first that I have only been in contact with this thing for about 10 days and am not very familiar with it. Plus, the people here seem to be professionals = = It would be best if you co...
最坏分析其实就是极端值分析：让你知道怎么样才会出问题。Assure acceptable operation throughout the entire product life cycleunder the most unfavorable combination of anticipated conditionsDefine Critical Components and Spec. Cont...
How to choose a transistor? A: Be cautious. However, be too cautious. I have seen engineers agonize for days over the best discrete transistor for a slow logic inverter, or even because they couldn't ...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
stm32/stm8
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