B2912BB1

When using a clamp ammeter to measure current, it is necessary to measure live equipment at close range, so the following points should be noted when using it: 1. When measuring, it should be done in...[Details]

Recently, a vivo phone with model number V2164A passed the 3C certification. The IMEI database seen earlier showed that this phone may debut on the market under the name vivo Y55s. Now, the phone h...[Details]

Due to the epidemic, China's smartphone market experienced a decline in 2020. Today, market research firm Canalys released its 2020 domestic smartphone market report. In 2020, smartphone shipments we...[Details]

Multiple diodes take the current indicator light This indicator light is shown in Figure 4-40 (c). Here, three silicon rectifier diodes VD2~VD4 of the same model and specification ...[Details]

When using the PIC microcontroller to communicate with Dallas' iButtON, a subroutine was written to generate and check CRC. #include ;------------------------------- cblock 0x20 ...[Details]

Smart headlights are smart front lamps, which are a kind of intelligent front lighting system and an important part of the car's active safety system (i.e. accident prevention). The intelligent contr...[Details]

According to US technology media reports, Microsoft contractors are manually reviewing recordings collected from Skype's automatic translation function and Cortana voice assistant. The recordings obt...[Details]

　　Smart communities are not only high-tech applications, but also focus on energy conservation and environmental protection. This solar street light system is further optimized on the basis of genera...[Details]

Recently, there have been reports that the memory and price of the Apple iPhone 13 series will remain consistent with the iPhone 12 series, supporting up to 512GB, and the price will start at US$699....[Details]

Bootloader The bootloader of an automotive MCU is a software used to load and update applications on an automotive electronic control unit (ECU). It has the following main functions and implem...[Details]

TI launches highly integrated, low-cost RF range extender Texas Instruments (TI) announced the launch of a highly integrated, low-cost radio frequency (RF) range extender for low-power wir...[Details]

STM8S has many timers that support PWM output, but after stopping the timer, what is the IO port level? Either high or low. Therefore, in order to determine the corresponding value after the PWM st...[Details]

As Apple may introduce Mini LED backlight technology into the 12.9-inch iPad Pro to be released in 2021, it has sparked heated discussions in the market. According to the latest survey by LEDinside, ...[Details]

Introduction When fast edge signals are transmitted on the device under test, if there is impedance discontinuity, reflection will occur. Therefore, by observing the reflection phenomenon, di...[Details]

According to news on the morning of February 2, the leak of Xiaomi car design documents has attracted attention recently. Sina Technology learned that Xiaomi internally reported the results of the in...[Details]