In the last issue, we tested the DHT11 temperature and humidity sensor on the expansion board. This time, we are using the P98132 chip above to drive the RGB light.Let's take a look at the schematic d...
Working frequency: the resonant frequency of the piezoelectric chip. The longer the wavelength, the smaller the frequency, the greater the detection distance, but the accuracy will be reduced. Sensit...
How to identify the wake-up signal sent by the host when using UART to simulate LIN (the wake-up signal sent by the host is a low level signal that lasts for 250us to 5ms, and the slave uses 150us as ...
[size=5]1. Phase lock[/size] [size=5] The meaning of phase lock is the automatic control of phase synchronization. The automatic control closed-loop system that can complete the phase synchronization ...
Hello everyone, I have a question for you. Why does the LED light keep flashing when the wireless charger is connected to the charger (without charging the phone)? But it can charge normally when the ...
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Timer A automatically overflows
Brief description: Use Timer_A to count directly to generate overflow, and then interrupt processi...[Details]
LED is a solid-state light-emitting device with the following advantages:
◆Long service life (more than 100,000 hours), high photoelectric conversion efficiency, and power saving.
◆Fast d...[Details]
When I first wrote an STM32 program, I encountered a confusion. The STM32 Flash was set to start at address 0x0800 0000 in MDK, but the CM3 manual stipulates that the interrupt vector should be taken...[Details]
With the continuous development of modern industry's requirements for precision, high speed and high performance, traditional controllers are no longer competent in high-demand occasions. In many o...[Details]
There are two common structures: one is that the fluid flows through the high-pressure and low-pressure chambers of the differential pressure transmitter; the other is that the fluid does not flow th...[Details]
MediaTek and AMD Create AMD RZ600 Series Wi-Fi 6E Modules to Improve Wireless Connectivity for Laptops and Desktops MediaTek’s new Filogic 330P Wi-Fi 6E chip provides stable and long-lasting wirele...[Details]
April 18, 2022, Shenzhen, China - OPPO announced today that after Find X3 Pro, Find X5 Pro has passed the CC MDFPP certification again. This time, Find X5 Pro passed the latest CC MDFPP certificati...[Details]
GDS-2000A series digital storage oscilloscope embodies a high-value design concept, including 2GSa/s sampling rate, 2M record length, 2/4 input channels, large color LCD display and VPO (VisualPersis...[Details]
What kind of TV signals are there in the air in a region and what is their field strength is a topic of concern to the radio and television management department and the radio and television commissio...[Details]
LED is the abbreviation of light emitting diode. Its basic structure is a piece of electroluminescent semiconductor material placed on a rack with leads, and then sealed with epoxy resin on all s...[Details]
Liu Yijun, a senior student at Asia University, invented a bicycle pedal that uses LED lights to illuminate. Recently, the patent rights to her invention were purchased by Taiwan's Chung Ching Fu I...[Details]
The ST7580 is a flexible power line networking system-on-chip combining a high performing PHY processor core and a protocol controller with a fully integrated analog front end (AFE) and line driver fo...[Details]
On the evening of July 20, Huawei Consumer Business CEO Richard Yu wrote, "Today I went to our service store to experience the free film service for Mate Xs. After the replacement, my phone lo...[Details]
Based on the actual situation of the company and its own development needs, Changsha Luyuan Energy Materials Technology Co., Ltd. (formerly a wholly-owned subsidiary of Changsha Kaiyuan New Energy ...[Details]
Every year, 1.25 million people die in car accidents, of which more than 94% of fatal accidents are caused by human error (drunk driving, speeding, ignoring traffic lights, texting while driving). ...[Details]