After successful initialization, the function aci_gap_create_connection is used to connect directly according to the address, but it returns 0x46 BLE_STATUS_NOT_ALLOWED. The connection cannot be succe...
Problem/Goal and SolutionObjective: Only allow "high-level functions" to access data in OTP, other applications cannot directly read OTP contentExample @ F413-Nucleo, F401-NucleoTarget environmentThe ...
1 System Overview
As shown in the figure, this is the principle block diagram of the entire video acquisition system. At the beginning of power-on, the FPGA needs to initialize the register configurat...
After learning that I had the honor to participate in the NXP Rapid IoT evaluation, I started to install the mobile APP. According to my previous experience, I chose to use my mobile phone to log in t...
Hello, analog electronics experts, I am here to bother you again. Figure 1 below is an RLC oscillation circuit. Switch S2 is turned on at 5A current, the on time is 20us, and the rest of the time is i...
Imagine that you own a supercar and you can drive it to a local supercar party or travel with it on weekends, but you can't get the best performance out of it. But you don't have time to take high-pe...[Details]
Just now! GalaxyCore's IPO on the Science and Technology Innovation Board was successfully approved On November 6, according to the results of the 98th review meeting of the Science and Technology In...[Details]
On February 9, Jingjiawei announced that its wholly-owned subsidiary Qianzhilong intends to increase its capital in Ewei Avionics with its own funds of RMB 67.6875 million and subscribe to Ewei Avion...[Details]
Right now, the "portable future" seems to be just around the corner, with devices that were once bulky and bulky now becoming lightweight and portable. I have personal experience with this in my pers...[Details]
According to Peninsula News, as of now, Qingdao has built 7,800 5G base stations, and it is expected to increase to 9,000 by the end of June. By the end of 2020, the number of 5G base stations in ...[Details]
Apple is continuing to develop technology that could enable nearly invisible input areas that display information to users while replacing physical buttons or controls on its products. "Hid...[Details]
Alibaba Damo Academy’s self-developed encoder won two more world championships, and saved 1.8G of data for on-demand viewing of "Feng Shen" On October 9, the full HD 10bit track results of the 17t...[Details]
This article analyzes the common problems in the electromagnetic compatibility testing of mobile phones, including electrostatic discharge immunity test, electrical fast transient pulse group im...[Details]
According to foreign media reports, General Motors and Royal Dutch Shell have reached a cooperation to jointly expand electric vehicle charging networks and home energy plans based on renewable energ...[Details]
In a blink of an eye, 2022 is almost halfway through. Compared with last year, the global chip shortage has been alleviated to a certain extent this year, but it is still in short supply overall, and...[Details]
Testing large, complex structures such as aircraft, trains, military vehicles, and civil structures is critical to ensuring that they are safe and perform well. These tests are often a major challeng...[Details]
TLC0831 Example Program #include reg52.h #include stdio.h typedef unsigned int uuint; typedef unsigned char uchar; sbit adcdo=P1^0; //define the data line D0 of TLC0831 sbit adCCs=P1^2; //Define the...[Details]
1. Get familiar with the environment
First, read the development board user manual carefully, and build the environment and conduct experiments according to the manual. (Directory CD\TQ2440_CD\TQ2440...[Details]
1. The IIS bus interface of S3c2440A can connect to an external 8/16-bit stereo audio decoder IC. It supports IIS bus data format and MSB-justified data format. The interface uses DMA mode to acces...[Details]
Time flies, and before we know it, 2021 is just around the corner. Looking back at this special year of 2020, TI has never stopped supporting China's education. This year marks the 24th year that T...[Details]
ST - Low Power RF
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