Add all built-in audio files to the demo, and modify the cli prompt information to conduct experiments:
if (argc == 3strcmp(argv[1], "play") == 0) {char url[128];if (strcmp(argv[2], "welcom") == 0) {s...
After a day of work, the board broke and could not display letters. I didn't find out until noon. I changed to a new board and spent an afternoon tinkering with it. It can be used now. In fact, the re...
[size=4] Bluetooth technology has been used for many years to support a variety of location services, such as proximity solutions such as landmark (PoI) information and item tracking, as well as posit...
1. Flight control firmware burning
The firmware here refers to the Hex or Bin file compiled from the source code, where Hex is a hexadecimal file and Bin is a binary file. The following figure shows t...
I recently designed a terminal setup. An IC reader is installed behind the keyboard. Now I found a problem: 1. When the IC reader is placed behind the keyboard, the card reading is unstable and the di...
With the rapid development of science and technology, inverters have appeared more and more in people's lives. At present, inverters have been applied in many fields, such as computers, televisions...[Details]
The high-power and high-frequency switching power supply based on DSP introduced in this article fully utilizes the powerful functions of DSP, can control the switching power supply in many aspects,...[Details]
There are three main testing methods for bursting strength or bursting strength: bursting method, marble bursting method and steel ball method. Overseas countries such as the United States, Japan, So...[Details]
The STM32 timer library function has two parts of configuration: 1. Timer initialization, 2. Timer interrupt service function. Timer initialization configuration: 1. Configure TIM_Period: the timin...[Details]
1. Kconfig analysis in the serial folder config SERIAL_SAMSUNG tristate "Samsung SoC serial support" depends on ARM && PLAT_S3C select SERIAL_CORE help Support for the on-chip UARTs on the Samsu...[Details]
This article aims to explore several areas where audio quality can be improved in mobile phones and portable audio systems, many of which use a processor with built-in analog audio outputs. Le...[Details]
Despite the adverse effects of the epidemic, China's industrial application mobile
robot
(AGV/AMR) market will continue to maintain a high growth trend in 2022, especially in some innovativ...[Details]
The Samsung Galaxy A33 5G will be launched in early 2022 with 5G support and will be available in four colors. We have seen press renders of the device and learned that it will carry a 5000mAh ...[Details]
When the phase of the magnet (rotor) magnetic field lags behind the phase of the coil (winding) magnetic field by 90 degrees, the maximum torque of the motor can be obtained. Since the phase of the...[Details]
On August 27, the Shandong Provincial Energy Bureau announced the new energy storage projects to be included in the 2024 inventory. Among them, the zinc-bromine liquid flow energy storage power sta...[Details]
In the era of the Internet of Things , terminal product designs will be diverse. Whether in the fields of wearable products, smart homes, automotive electronics, consumer electronics or industria...[Details]
The Automechanika International Competition for Body Repair and Painting will be held in Shanghai. Which outstanding Chinese team will stand out? The competition jury composed of many industry expert...[Details]
ORG 0000H
ST: MOV DPTR,#TAB ; Display the first address of the data table
LP5:CLR P2.2; 74HC595 output clear
SETB P2.2
CLR P2.4 ;Select the first line 000
CLR P2.5
CLR P2.6
MOV A,#00H ; ...[Details]
At present, the diversified functions of consumer electronic products (such as color TVs, stereos, etc.) make the control circuit more complicated. The I2CBUS (Inter ICBUS) bus introduced by Philip...[Details]
The Display Computing – CRYSTAL product line of Cincoze, a rugged embedded computer brand, is designed for HMI applications in a variety of harsh environments.
It includes three serie...[Details]
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