When installing Ubuntu or Debian, it is recommended to use EMMC storage as it has a large capacity. 1. Download the debian system and modify related configurations a. Download the system wget -c [url]...
CC13/26XX is TI's new generation of ultra-low power multi-protocol SOC processors that support Sub1G, 2.4G private protocols, BLE, Zigbee, RF4CE and 6LowPan.CC2640 is a BLE low-power Bluetooth chip, a...
Figure 1 is a schematic diagram of the internal structure of LL494. The combination of external RC timing elements RT, CT and the internal oscillator generates a fixed frequency linear sawtooth wave s...
A large number of special "industrial devices" are used in embedded Linux systems. Such as: D/A converters, A/D converters, inertial gyroscopes, magnetometers, accelerometers, pressure sensors, etc. L...
Qinheng provides quite a lot of Bluetooth test routines. This evaluation first builds the test environmentOpen the Peripheral example under BLE, compile and download it to the development board
Downlo...
In the previous article, we learned how to enable the function of printing FLASH and RAM usage information after programming. However, in actual development, although our program does not use all the ...
Contents The invention relates to a flow meter, in particular to a thermal gas mass flow meter. Background of the Invention As a complex technology, flow measurement has been applied in various occ...[Details]
The sine wave synthesis uses the simplest timer scanning code table. The internal DAC is only 5 bits, so the waveform is average. If an RC filter is added, it should be okay! In addition to the ...[Details]
Modify or add basic u-boot source code according to the boot process so that it can be started in memory 【1】Add support for some registers of S3C2440, add interrupt disable part and clock setting par...[Details]
On May 4, commercial
service robot
company Purdue Technology announced the completion of a C4 round of financing worth hundreds of millions of yuan, invested by Yuedu Capital. This is the s...[Details]
With the accelerated development of urbanization, the number of patients in large hospitals is increasing. The existing patient monitoring mechanism can no longer meet the needs. Because it cannot ...[Details]
On July 3, the Semiconductor Industry College of Chizhou University was unveiled. At the same time, representatives of the government, school and enterprises signed a cooperation and construction agr...[Details]
Star-delta starters are basically available in complete sets. Generally, electricians do not need to select the load power of various contactors. They can choose the star-delta starter that matches...[Details]
Google product manager Dr. Peng said at the company's annual I/O developer conference on Tuesday that the company's technology can capture early signs of cancer. According to the World Health Organ...[Details]
The first batch of 25 companies on the Shanghai Stock Exchange's Science and Technology Innovation Board were officially listed and traded. As a milestone event in the development of the capital mark...[Details]
Interrupt Concept
1. Interrupt life cycle
The serial port first generates an event, which is transmitted to the interrupt controller. The interrupt controller will perform cor...[Details]
Based on actual conditions, this article proposes appropriate solutions for overvoltage protection needs in UPS applications.
1. Changes in the concept of overvoltage protection
When...[Details]
Using power lines as channels for communication is a good way to solve the last mile problem. However, as a communication channel, power lines have the characteristics of high noise, multipath effe...[Details]
With the continuous development and maturity of micro-electromechanical system (MEMS) technology, which is based on miniaturization technology and combines the cutting-edge scientific research fiel...[Details]
software: IAR 7.4 STM32CubeMX 4.14.0 hardware: STM32F103VBT6 The schematic diagram is basically the same as the manual, except that the pull-up resistor is not 10K or more as recommended by the man...[Details]
Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]
Linux and Android
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