[i=s]This post was last edited by dcexpert on 2022-3-27 15:08[/i]The CN3791 charging module I bought is 12V by default, while the solar panel I have is around 6V, so the voltage needs to be changed be...
[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...
According to insiders, BYD's "Blade Battery" has been selected by Hyundai Motor Group, and a Hyundai project team has been established. It is expected to start supplying overseas next year. In this r...[Details]
①What is the difference between MPLL and UPLL?
MPLL uses MPLLCON, while UPLL uses UPLLCON register, both of which belong to the clock power management unit. The address of MPLLCON is 0X4C000004, and ...[Details]
Recently, according to Bloomberg, the global chip shortage has spread to the semiconductor equipment field. Kulicke and Soffa Industries, a semiconductor packaging and testing equipment supplier, war...[Details]
According to official news from Xiaomi, the Xiaomi Mijia refrigerator series has been officially released: there are four new products ranging from two doors to cross four doors, with prices starting...[Details]
While the excitement of the 2022 Winter Olympics is still being replayed, and spring is gradually approaching; Beijing Baoguang Zhizhong Energy Technology Co., Ltd. has once again received good new...[Details]
Ultrasonic waves are often used to measure distances due to their strong directivity, slow energy consumption, and long propagation distance. For example, distance meters and level meters can be re...[Details]
According to foreign media reports, Tesla CEO Elon Musk said on Tuesday local time that the next generation of small cars the company is developing will mainly operate in self-driving mode and should...[Details]
In recent years, more and more small mobile devices such as mobile phones and tablets are equipped with NFC functions. NFC is the abbreviation of Near Field Communication. It is a function that can e...[Details]
Shanghai, China, December 3, 2019 – Imagination Technologies announced the launch of its tenth-generation Power VR graphics processing architecture IMG A-Series (IMG A-Series). As the most power...[Details]
According to previous reports from Jiwei.com, Huawei has filed opposition requests against five European patents that OPPO has been granted since June 2020. Recently, public information on the Europe...[Details]
July 29, 2019, San Diego - Qualcomm Wireless Communications Technologies (China) Co., Ltd., a subsidiary of Qualcomm Incorporated, announced today that it has signed a non-binding memorandum of under...[Details]
At the 2022 World Artificial Intelligence Conference which opened on September 1, Baidu founder, chairman and CEO Robin Li said that after the current L2 level of commercialization of automatic assis...[Details]
The metronome circuit of the following circuit produces audible ticks from 40 ticks per minute to 400 ticks per minute through the variation of one potentiometer. Gate one and gate two form the pul...[Details]
There are two methods for sorting LEDs: one is chip-based test sorting, and the other is test sorting of packaged LEDs.
(1) Chip testing and sorting
LED chip sorting is very difficult, ma...[Details]
Li Auto and Mercedes-Benz to use Snapdragon Extreme Automotive Platform in their future production models
New Snapdragon Cockpit Extreme and Snapdragon Ride Extreme platforms debu...[Details]
DIY/Open Source Hardware
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