AZ847-24

In this project, we will make a headphone/audio amplifier using a self-designed PCB. This project is mainly used to amplify the audio signal from the headphones, but we can also use it to amplify t...[Details]

The essence of Moore's Law is innovation, and we can confidently say that innovation will never stop. summary: Intel has been relentlessly advancing Moore's Law...[Details]

　　Carbon monoxide production 　　According to statistics from countries around the world over the years, carbon monoxide (CO) has become the most common toxic and harmful gas, with a large number of ca...[Details]

Abstract: In order to improve the traditional interface of music players, expand functions and improve sound quality, a multimedia music player with text reading function is designed based on the A...[Details]

MACRO $HandlerLabel HANDLER $HandleLabel   $HandlerLabel sub sp,sp,#4 ;decrement sp(to store jump address)       stmfd sp!,{r0} ;PUSH the work register to stack(lr does not push because it re...[Details]

The circuit described in this article can perform comparative measurements of light transmission and can be used for optical loss measurements. Losses include reverse and absorption. Figure 1 shows...[Details]

Community members can participate in the element14 festival celebrations to win prizes and get maker and engineer gift ideas Shanghai, China, December 17, 2021 – Farnell element14, a global distrib...[Details]

I. Preface For an emerging product, its own development always precedes product standards and testing methods. Although product standards and testing methods cannot precede pro...[Details]

The electrification of transportation systems is accelerating. In addition to passenger cars, two-wheelers, three-wheelers and light vehicles are increasingly electrified. As a result, the market f...[Details]

1. Operation of ADC0804 1. Wiring diagram of ADC0804 on the test board The 5th pin INTR on the AD chip is not connected because the experimental board does not use the interrupt method to read the ...[Details]

In this section, we use the Verilog HDL language to program a digital stopwatch with "hundredths of a second, seconds, and minutes" timing functions, which can achieve timing accurate to one hundredth...[Details]

      What is supposed to come will eventually come. iOS 14.5, released by Apple in the early morning of April 27, will turn off IDFA permissions by default. IDFA (Advertising Identifier) ​​ca...[Details]

In MCU development and application, engineers need to test the MCU's capabilities. The common practice is to use Benchmark programs to test. However, when doing benchmark tests, the compiler's opti...[Details]

First, I install the jlink driver: http://download.csdn.net/detail/zzmno1/3776716#comment And the download address of the uboot.bin file I used: http://blog.chinaunix.net/uid-20543672-id-94368....[Details]

In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]