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1. The steps of making MP3 by single chip microcomputer are very detailed. PLAY key plays music. FUNC is used to switch between music selection, volume control and sound effect control. PREVIOUS, whe...[Details]

For decades, the telecom infrastructure market has been driven by macro and micro base stations. Today, with the help of 5G massive MIMO active antenna systems, the radio frequency (RF) component ind...[Details]

1. Introduction The I2C bus is a high-performance serial bus introduced by PHILIPS that has the functions required by multi-host systems, including arbitration and high-speed and low-speed...[Details]

OFweek Cup 2022 China Robot Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]

The circuit described in this article uses a VGA (ADL5330) and a logarithmic detector (AD8318) to provide closed-loop automatic power control. The circuit is stable over the entire temperature range ...[Details]

Calculate the number of LEDs from a known power supply Example: How many LEDs can be configured under the conditions of a power supply with a rated output power of 10W, a rated forward current of 2...[Details]

Recently, a new Huawei 4G phone with model PAL-AL00 passed the network access certification. It runs Hongmeng OS. It is reported that the phone is Huawei Mate X3 and will be equipped with Kirin 9000 ...[Details]

Google introduced the changes and new features of Android Q Beta 3 at the I/O 2019 conference, such as a new dark mode, new navigation gestures, digital health improvements, Project Mainline for fast...[Details]

On January 30, the Tai'an Sports College coal-to-electricity thermal storage heating project designed and constructed by Shandong CITIC Energy successfully passed the acceptance. The acceptance tea...[Details]

Step 1: Circuit Diagram The circuit diagram is very simple; the whole project is powered by a 12V adapter. This 12V is then converted to +5V using two 7805 voltage regulators. One is labeled +5V a...[Details]

1. Interrupt Mode 1. Interrupt reception. 1.1 First look at the process of interrupt reception (taking USART2 as an example) Find the interrupt vector in the startup file USART2_IRQHandler F...[Details]

For 11.0592M crystal bot=256-(11059200/9600/32) The baud rate here is 9600 11.0592M crystal oscillator can support basic baud rate For 12M crystal oscillator, it is different bot=256-(1200...[Details]

NFC mobile phone functions and how to use them 　　Most newly released mobile phones now have built-in NFC function, so what applications do NFC phones have and how can they be used? 　　The NFC devi...[Details]

The standard library is actually quite convenient. With a template, if you change the parameters, you don't need to check the manual and redefine the register values. Part 1, introduction to the st...[Details]

The electronic control system is called the brain of new energy vehicles. As one of the three core technologies, it mainly covers the motor control system and battery management system. The electro...[Details]