The ESP32-S2-Kaluga-1 kit is equipped with an LCD display, which can be used for human-computer interaction. However, an error message appears during the compilation and download of the routine progra...
1. SD card hardware schematic diagramSD cards use a 9-pin interface for communication, including 3 power lines, 1 clock line, 1 command line, and 4 data lines, as follows:CLK : Clock line, generated b...
Humidity sensitive capacitors (English name: humicap) are generally made of polymer film capacitors. Commonly used polymer materials include polystyrene, polyimide, cellulose acetate, etc. When the am...
[i=s]This post was last edited by wangerxian on 2022-4-28 14:28[/i]I believe many friends have used electric mosquito swatters.
Electric mosquito swatter is very effective against small insects such a...
How to draw the graph of the complex number solution of X^2+1=0 in the coordinate system? Can anyone help me? Thank you.
I don't understand what the picture below means. Can you help explain it to me?...
On December 17, 2020, Qualcomm Technologies, Ericsson, Swisscom and OPPO announced today that the four parties have completed 5G New Radio carrier aggregation and 5G voice demonstration across FDD an...[Details]
As communication technology continues to mature and users' requirements for communication quality are getting higher and higher, the existing GSM network will inevitably evolve to W-CDMA (Wideband...[Details]
In October this year, Huawei released the Watch Fit mini in Europe, a device with a smaller screen and a lighter body. According to digital blogger @菊厂影业Fans, Huawei will release this product in...[Details]
Pangbote, Zhuoshi Zhitong, and Shiju Network received new investment, and Gantu Technology and Zongmu Technology received additional investment The 2021 5G Ecosystem Entrepreneurship Competition a...[Details]
Compared with wired remote control, wireless remote control is not affected by distance, completely eliminating the hidden trouble caused by the towing cable remote control device, and bringing mo...[Details]
As a new light source, in recent years, major companies and research institutions
have been conducting research
on LED
power supplies
and
drive
circuits
. Unlike the
electro...[Details]
Use stm32f103vet6 as the platform, enc28j60 network card, and lwip tcp/ip as the protocol stack to write the corresponding program.
The basic steps for writing programs with stm32 as a server and stm...[Details]
China Energy Storage Network News:
Recently, the Korea Institute of Science and Technology Evaluation and Planning has identified 10 emerging technologies with the goal of carbon neutrality...[Details]
Peak current
control
mode is often
the preferred approach for
power supply
designers because its
control
-to-output transfer function has a first-order frequency response. Th...[Details]
;Use C port for keyboard scanning, 7-segment digital tube displays key number, 63 series general register address: 20~7FH, A0~FFH, did not achieve the expected purpose, only using single digit to dis...[Details]
The third generation of Qualcomm Professional Networking Platform ushers in a new era of 10Gbps Wi-Fi networks for enterprise access points, Wi-Fi mesh networks, carrier gateways and premium home...[Details]
Efficient use of electrical energy can reduce the cost of household appliances and protect the environment. Most household appliances, such as refrigerators, washing machines, dryers, dishwashers, and...[Details]
On July 19, 2021, the Ministry of Industry and Information Technology of the People's Republic of China issued the "Notice on the List of the Third Batch of Specialized, Refined and New "Little Giant...[Details]
This is a 80W power audio amplifier circuit diagram based on power IC LM12. This circuit kit is sold in electronic parts/components stores and the design is proven to be effective and works. This a...[Details]
At the 7th China International Import Expo (CIIE), Foretellix showcased Foretify™, a safety-driven test and verification platform for ADAS and autonomous driving systems, leading the cutting-edge p...[Details]