[i=s] This post was last edited by fdsf on 2019-1-24 09:43 [/i]The function of the code in the red box in the figure is to store the data of the mp3 audio file in databuf so that it can be sent later....
The ST official SDK already provides a demo of the static protocol stack:C:\Users\user name\ST\BlueNRG-LP DK 1.xx\Projects\BLE_Examples\BLE_StaticStack
The static protocol stack provides four configur...
In an increasingly impetuous society, many people like to relax themselves in the world of music, and owning a good playback device must be the dream of many music lovers.
Everyone knows that music ha...
The 2020 STM32 National Tour Seminar is about to kick off. Since 2007, the STM32 National Seminar has become an annual event for engineers to gain insight into the latest products in the embedded fiel...
Keysight Technologies, Inc. (NYSE: KEYS), a leading electronic test and measurement company that helps enterprises, service providers and governments accelerate innovation to create a secure and conne...
Power secondary equipment mainly refers to equipment that controls, monitors and protects primary equipment, including power station automation, substation automation, dispatching automation, distr...[Details]
The voltage regulator is connected in series with a transformer to increase the output voltage
The voltage regulation range of ordinary AC contact voltage regulators is between...[Details]
This blog post mainly introduces the basic ideas of virtualization and how to perform virtualization on the ARM platform, the hardware features provided by ARM, etc. Introduction to Virtualization Te...[Details]
The ISL8216M is ready to use and only requires the ISL8216M/input and output capacitors and a resistor to set the output voltage for a complete high voltage power supply design. The ISL8216M is avail...[Details]
So what is a Hex file? An Intel Hex file is an ASCII text file consisting of lines of text that conform to the Intel Hex file format. In an Intel Hex file, each line contains a Hex record. These re...[Details]
On May 23, Honeycomb Energy, together with its incubation platform Doctor Octopus and Honeycomb Capital, and 36Kr, a well-known technology venture capital media, officially launched the "Global Rec...[Details]
As cloud computing enters its explosive growth period, data center development has also made great progress. However, the resulting high energy consumption has become a focus of public attention. Som...[Details]
On March 7, when talking about his thoughts on the government work report, Liu Jiang, deputy to the National People's Congress and general manager of Changhong Holdings Group, said in an interview wit...[Details]
Prepare
Before designing
a power supply
for the first time
, make sure that the printed circuit board used for the power supply follows the layout guidelines specified in the P...[Details]
Recently, the repair organization iFixit disassembled Samsung’s latest flagship mobile phones Galaxy S22 and S22 Ultra, showing the internal structure of the new phones. Galaxy S22 Ultra (le...[Details]
Basic types of overcurrent protection methods and existing problems Commonly used overcurrent protection methods include current limiting type, current reducing type and cut-off type. The chara...[Details]
Lenovo Mobile's official Weibo account announced that an important announcement would be made on the morning of the 10th, and posted a picture of the back cover of the Lenovo Z6 Pro. Many fans specul...[Details]
Amid the global chip shortage, the competition for production capacity can be said to be the only way to win is speed. As the leading foundry in mainland China, SMIC's pioneering layout has borne fru...[Details]
Nowadays, digital measuring instruments have become mainstream and have a tendency to replace analog instruments. Compared with analog instruments, digital instruments have high sensitivity, high acc...[Details]
American scientists have developed the first wearable sensor that can be used to detect and monitor muscle atrophy. The sensor can be used by astronauts on long-term missions or by patients at home...[Details]
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