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Note: Dual color temperature dimming is mainly achieved by changing the capacitance of C1 and C2, which results in different delays in VDD power-on time. Multiple capacitors are increased in sequence ...
Shouldn't the PN532's IRQ pin generate an interrupt when a card is received? I'm using the serial port mode, but why is it that even though I set the IRQ pin to be enabled, it doesn't work? I can read...
If pure electric vehicles are to be popularized, solving the energy replenishment problem is a hurdle that this industry cannot avoid. To this end, Tesla has been maximizing the number of self-operat...[Details]
On August 4, Chaoyang Xinrui Titanium Industry Vanadium Titanium Resource Comprehensive Utilization Project held a groundbreaking ceremony. Shan Yi, Secretary of the Municipal Party Committee, and Lao...[Details]
Soft redundancy and hardware redundancy have many similarities, but also some differences:
Commonalities
1. The redundant functions are the same. The redundant parts include: power ...[Details]
In intelligent instruments and process
control,
power-off protection circuits are often used to save real-time parameters for a long time. Usually, E2PROM
,
FLASH MEMORY and
non-volatile chi...[Details]
The DC small motor can be tested by a multimeter. The specific steps are as follows:
1. Measure the resistance value
Turn the multimeter knob to the resistance position, select the approp...[Details]
Tesla is considering building a factory in Germany. Recently, German media revealed more details about Tesla's German factory. Tesla plans to invest 4 billion euros ($4.4 billion) to build the fact...[Details]
Nowadays, the cruise control function is no longer an exclusive feature of high-end cars. Whether it is originally installed or installed later, more car owners have enjoyed the convenience brought by...[Details]
The shortage of mature wafer foundry processes is becoming increasingly serious. Market sources say that quotations in the third quarter will be increased by as much as 30%, far higher than the marke...[Details]
Invented out of necessity, metal detectors are now a staple in many food processing lines in Asia. But how often do we wonder: what is inside that stainless steel shell, how do metal detectors actuall...[Details]
The original circuit of this meter is shown in the figure above, and the improved circuit is shown in the figure below.
1. Replacement of voltage regulator integrated circuit IC2 ...[Details]
On January 6, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia launched
an 11kW DC-DC converter soluti...[Details]
The industry believes that the main patents of dynamic random access memory (DRAM) in the world are controlled by Samsung, SK Hynix, Micron and other large companies. Taiwan has been unable to break ...[Details]
For microcontroller enthusiasts and students who are new to microcontrollers, like any other MCU, to program a PIC microcontroller, the following software tools are usually required: (1) IDE (Int...[Details]
1. Introduction to DMA If there is no DMA, if we want to copy data from one space to another, we need to read the data into the CPU first, and then write it to another space. When DMA is used, the ...[Details]
At present, there are basically three types of railway crossings: manned, manned and unmanned. For a long time, the railway department has invested a lot of manpower and material resources in manne...[Details]