48NV-2RRHC-M/Q

　　SGS-THOMSON has launched three single-chip Class D amplifier ICs, namely TDA7480 (10W), TDA7481C (18W) and TDA7482 (25W). This article takes the TDA7482 with the largest output power as an example....[Details]

After entering the IoT era, the explosive demand for information collection has led to the rapid development of the entire sensor market. For the Chinese sensor industry, although a complete system f...[Details]

1. The structure, composition and selection of insulation resistance meter 1. The insulation resistance meter mainly consists of three parts. The first is a DC high voltage generator, which is used ...[Details]

With the increasing popularity of smart homes and smart terminal devices, many families are increasingly relying on and using smart terminals, but security issues are slowly emerging. Recently, a D...[Details]

First, there is such a function in the STM32 library function void TIM3_PWM_Init(u16 arr,u16 psc) If TIM3_PWM_Init(7200,100) //Set the spectrum to 7200. Divide by 100 We initialize the timer to get t...[Details]

"We must insist on making one board a day. Without a board, it's like we have lost our soul." This was posted by Yu Hao on his WeChat Moments on April 14, 2019. More than 100 days later, when an ele...[Details]

I found that some programs on the Internet do not work under the 16M crystal oscillator, so I wrote one myself, which is written according to the timing of 2V, but it has only been tested under 5V...[Details]

As a new type of mobile storage device, SD card is favored for its small size, fast speed, anti-vibration and strong versatility. Using SD card as a storage medium to save the power consumption param...[Details]

summary This article provides the thermoelectric cooler (TEC) concepts that must be understood before designing higher power TECs, explains the key Peltier characteristics that lim...[Details]

      After the release of iPhone 12 mini, the calls for small-screen devices have become louder. 　　The ultimate one-handed holding experience, compact and lightweight body, and unrivaled portability...[Details]

Prior to 1990, standard automotive headlight assemblies contained only incandescent light sources and were mostly self-contained to create all the functions needed. Whether these functions were creat...[Details]

　　How a Multimeter Works 　　"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. Multimeter can measure current, voltage, resistance , and some...[Details]

With the increasing shortage of energy, rising oil prices, and urban environmental pollution, the development and utilization of new energy to replace oil has been increasingly valued by governme...[Details]

The trade dispute between China and the United States continues. According to Reuters, US President Donald Trump recently threatened to further increase tariffs on Chinese imports if a deal cannot be...[Details]

LED definition In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release the excess energy in the form of light...[Details]