I am honored to be shortlisted for the 2022 Digi-Key Innovation Design Competition. I would like to thank the organizers EEWORLD and Digi-Key for providing free development boards and the carefully bu...
With the improvement of modern living standards and the enhancement of health awareness, consumers have higher and higher requirements for home life. Keeping homes, offices and daily equipment and ut...[Details]
What is the use of eye diagrams in PCB design? The eye diagram is due to the afterglow effect of the oscilloscope, which overlaps the waveforms of each scanned symbol to form an eye diagram. Now I ...[Details]
This circuit is an OCL power amplifier circuit composed of low-power integrated power amplifier LM386. The circuit structure is simple and easy to debug, making it very suitable for self-production...[Details]
Recently, a 51 microcontroller is used in a project to do some control. Its main function is to receive the instructions of the host computer through the serial port and analyze and decode them, an...[Details]
It is reported that Pegatron will follow in Tesla's footsteps and set up a factory in Texas, where Tesla's second electric vehicle factory in the United States will be located. It is learned that T...[Details]
Today (2), TSMC held an online technology forum, revealing the latest innovations in advanced logic technology, special technology, and 3DFabric advanced packaging and chip stacking technology. Accor...[Details]
The figure shows an adder composed of a general-purpose I-type F004 op amp.
An adder is an amplifier whose output signal is the sum of several input signals. It is divided into an inverting adde...[Details]
In stm32f10x.h in ...\CMSIS\Device\ST\STM32F10x, Then find the code snippet corresponding to the microcontroller model in the structure IRQn_Type. For example, STM32F103C8T6 belongs to STM32F10X_...[Details]
The board I have originally came with a 2.4.19 kernel. I plan to port the new 2.6 kernel and download the 2.6.17 kernel from the Internet. The download address is: http://www.kernel.org/pub/linux/ker...[Details]
Using the PWM of mega8, a simple two-color breathing light is made, and the breathing frequency can be adjusted. Since there are other functions in the program, only the breathing light part of the pr...[Details]
The delivery of WiFi-5 products has been hampered by upstream material shortages. Industry insiders pointed out that due to the strong uncertainty in delivery dates and the current demand for upgrade...[Details]
Measurement of electrode contact resistance Measuring the contact resistance of the electrode is essentially to measure the resistance between the electrode and the ground to indirectly determine whe...[Details]
In daily life, when household appliances (such as washing machines, refrigerators, and power tools) leak electricity or are inductively charged, you will feel "numb hands". If you use a test pen to t...[Details]
I believe that engineers are no strangers to RF signal sources. RF signal sources are often used to calibrate spectrum analyzers, modulation analyzers, power meters, frequency meters, RF millivoltmet...[Details]
Recently, at a busy energy storage power station construction site, the 2.5MW liquid-cooled energy storage inverter innovatively launched by Kehua Digital Energy is being installed in an orderly ma...[Details]
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