For a 700mH large coil (similar to the coil of a contactor), the Rs is 270Ω when tested with a benchtop LCR bridge, but only 77Ω when tested directly with a multimeter resistance range. Therefore, how...
A software that uses a computer to simulate the functions of ESP32.Main features:No need to upload to real hardware for testing
Testing two or more ESP32s simultaneously
Integration capabilities for c...
Blockchain Technology and Applications : https://training.eeworld.com.cn/course/67741Peking University's open course "Blockchain Technology and Applications" is taught by Teacher Xiao Zhen, which main...
【Arduino】168 Sensor Series Experiments (214) --- 8x32-bit full-color WS2812B screen
https://en.eeworld.com/bbs/thread-1222021-1-1.htmlI can't see the nearly ten replies today. Can you please help me c...
New documentation for Bluetooth has been added to MicroPython, which is ready for initial use.http://docs.micropython.org/en/latest/library/bluetooth.html...
Jiwei.com reported on February 4 that recently, Haier, China Mobile and Huawei held a launch and unveiling ceremony for the 5G edge computing joint innovation base at the Haier Industrial Intelligenc...[Details]
Refined execution and focus on trends in the automotive and industrial sectors drive ON Semiconductor's performance and lay the foundation for future strategies May 26, 2023 - Onsemi, a leader i...[Details]
The remote operation of relay protection, automatic devices, signal devices, emergency lighting and electrical equipment in the substation generally adopts DC power supply, so the output quality and ...[Details]
Mouser Electronics, Inc., the leading global distributor of electronic components focused on introducing new products that drive industry innovation, and Molex, a leading global manufacturer of elect...[Details]
When personal computers entered the multimedia field, it seemed destined to be a path of no return. As the concept of computer leisure and entertainment develops rapidly, are you mentally prepared ...[Details]
As we all know, all vehicles equipped with engines must meet the National VI emission regulations. Starting from the "Light Vehicle Pollutants and Measurement Methods (China Phase VI)" issued on De...[Details]
I am new to arm, so I wrote a few small practice programs, recorded here. Includes: running water lamp, single button, pwm driven buzzer, serial port and PC communication Development board s3c241...[Details]
The device has a built-in rotary switch, is IP67 sealed, has a dielectric strength of up to 5000 VAC, and has a power rating of 1 W. MALVERN, Pennsylvania, USA, and Shanghai, China - March 20, 2024...[Details]
"The 500 kV Yuxian substation that supplies power to the Huoshenshan Hospital has a load of 320,000 kilowatts, and the main transformer is in good condition..." At 10 a.m. on February 12, Jin Qiyun...[Details]
According to @Jon Prosser, Apple's previously exposed Beats Studio Buds wireless headphones will be launched on July 21. IT Home learned that although Apple did not disclose any information a...[Details]
Tungsten filament incandescent lamps are about to be eliminated. Many people are nostalgic for the incandescent lamps that have been used for more than 100 years. LED lighting will eventually replace...[Details]
Use T0 of 2051 to generate dual PWM signals to drive L293D or L298N to adjust the speed of the DC motor. The program has been debugged.
/* =======DC motor PWM speed control program======== */
/* Th...[Details]
A new iPhone vulnerability has been discovered that can cause your phone to crash as soon as you connect to WiFi. If someone sets the WiFi name (SSID) to a string of special characters, then you have...[Details]
On February 7, 2024, the Zhejiang Provincial Energy Bureau issued the "Zhejiang Province New Energy Storage Project Management Measures (Trial)".
The Measures point out that new energy storage...[Details]
introduction
In engineering practice, ultrasound is often used to measure distance due to its strong directivity, slow energy consumption and long propagation distance in the medium. It is...[Details]