When using FDS9721_LP3 as a test PCB tooling, a switch is required to control multiple chips.
Because when testing voltage and resistance, the chip channel used is a PIN pin. I don't want to use a swi...
Can this circuit boost the voltage to 100V? If I want to make a boost circuit, the adjustable PWM wave frequency can reach 30kHz, and the boost function from 5V to 100V is realized, and the current re...
DSP core learning record
K510 has three processors in total, including a 64-bit RISC-V dual core CPU for running Linux, and a 64-bit DSP core for user development.
There is no operating system on the ...
I just changed my job from another industry and only attended some training. I have only a vague understanding of some issues. I read some information online and found that some differential lines req...
ZigBee module. ZigBee is also known as "purple bee". It is a local area network protocol based on the IEEE802.15.4 standard. The frequency band is 2.4GHz. It has the characteristics of short distance,...
Description: mini2440 platform, wince6.0 system, vs2005
After several months of study and pause, I finally added the IIC bus simulated by GPIO under wince and realized the transplantation of I...[Details]
On April 18, according to the news website of the University of Electronic Science and Technology of China and the Sichuan Daily, the research team of the Information and Quantum Laboratory of the ...[Details]
On November 1, at the "GCL Night" event of the 8th SNEC International Energy Storage Technology, Equipment and Application Conference and Exhibition, Honeycomb Energy and GCL Group reached a strate...[Details]
On December 23, the Shenzhen Municipal Administration for Market Regulation website released the results of the quality supervision spot check of 9 categories of products including driving recorder...[Details]
1. Grounding
The grounding here refers to the earth, also known as the protective ground. Providing a good ground wire for the microcontroller system is extremely beneficial to improving the sy...[Details]
Pressure
switch
is mainly used on air compressors to adjust the start and stop status of air compressors. By adjusting the pressure in the air tank, the air compressor can be stopped for...[Details]
As production costs decrease, LEDs are being used in a wider range of applications, including handheld devices, automotive and architectural lighting. High reliability, excellent efficiency and transi...[Details]
The basic EMC command syntax is actually only 57/58. How to change it depends on your practice. However, it is easy for novices to make some mistakes, and some tricks of veterans are worth learning. ...[Details]
Timing is described by timing units. MCS-51 has four timing units, which are beat, status, machine cycle and instruction cycle. Next, we will explain them respectively. ·Rhythm and status: We d...[Details]
Google is expected to officially release the Pixel 4a, the most powerful new Android single-camera phone, in the next few weeks. This is the sequel to the Pixel 3a and the latest mid-range ben...[Details]
After solving the accuracy problem, let's go back to our motor control program. The two routines given above are not practical programs. Why? Because there are long delays in the program, and nothing...[Details]
The magnetic flap level gauge is based on the principle of connecting vessel and magnetic coupling to achieve real-time measurement of liquid level. It can be seen that the presence or absence of m...[Details]
LED is a type of light-emitting device that can directly convert electrical energy into visible light and radiation energy. It has a series of characteristics such as low operating voltage, low powe...[Details]
Recently, I used the PIC16F690 chip to do a project. There was no interface for product debugging, so I used the serial port to view the data. I used the serial port function under asynchronous commun...[Details]
Analog electronics
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