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      On August 3, developer kacskrz discovered a new Xiaomi device, code-named Lisa and called Xiaomi 11 Lite NE. 　　kacskrz revealed that Xiaomi 11 Lite NE is equipped with Qualcomm Snapdragon 778G ...[Details]

In 485 communication, in order to facilitate testing, a test quantity was added to the front end of the 485 chip, but TTL was used for direct communication. However, in the actual PCB test, if the P5...[Details]

1. Definition of DC speed regulator The full name of pulse width modulation is: Pulse Width Modulator, abbreviated as PWM. The DC motor speed regulator is a device that regulates th...[Details]

On February 10, SMIC, China's leading wafer foundry, released its fourth-quarter 2021 financial report. Many operating indicators once again hit record highs. Quarterly revenue reached US$1.5801 bill...[Details]

LEDs were produced as early as the 1960s. In the 1980s, they were widely used in household electrical appliances, such as audio volume indicators and switch indicators. In the 1990s, some new domesti...[Details]

The collaboration agreement includes a $10 million technology investment from CEVA to acquire exclusive licensing rights for Immervision's patented wide-angle camera image processing and sensor fusio...[Details]

This article will introduce the structure, working principle and basic working circuit of power MOSFET (field effect transistor). What is MOSFET (Field Effect Transistor) " MOSFET (Field Effect Tr...[Details]

In 2020, most of China's electric drive companies will withdraw from the competition in the new energy field. According to incomplete statistics, there were 380 registered new energy motor supplier...[Details]

This program measures the PWM high level time and cycle through two timers and one external interrupt, calculates and displays the duty cycle high level time in 1602. The data can be measured by simp...[Details]

Respiratory KZ leakage test is used to test the filtration efficiency and protective effect of respiratory KZ and protective masks. 1. For each mask, 10 people with matching head and face sizes are s...[Details]

Strategy Analytics' latest research report "IoT Module Vendor Market Share Update" points out that Chinese vendors dominated the IoT module market in 2018. With the acquisition of SIMCom and Longsun,...[Details]

    In recent years, with the rapid development of cities in China. The number of urban population and the number of private cars owned by citizens have increased year by year, making urban traffic co...[Details]

1. Process requirements The sheet forming machine is a process for heating, extruding and plasticizing plastic raw materials (such as PE, PET, PVC or starch-based biodegradable materials). The...[Details]

At the Automotive Technology Day 2010 autumn (sponsored by Nikkei BP) held at the end of September 2010, proposals for connecting electric vehicles (EV) and homes to effectively utilize energy we...[Details]

Those who have used assembly language know that in assembly language, the instruction reti is used to return from the interrupt service routine. Then in winavr we use C to write a program like this: ...[Details]