Install Runhe Neptune Hongmeng system on w801kit, and use Huawei's deveco device tool. For details, see wiki
https://gitee.com/hl1200/Neptune-HarmonyOS-IOT/wikis/%E5%9C%A8ubuntu%2020.04.3%20LTS%20%E4%...
The stack space on embedded devices such as DSP is at the Kb level. When defining an array or applying for space within a function, you cannot define and apply for it directly as in Linux. You must ei...
[backcolor=rgb(222, 240, 251)]When FATFS mounts both the FLASH (spi) chip and the USB flash drive, f_mount(&fs, "0:", 0); How does the system know whether the "0:" is to mount the flash chip or the US...
The final DIY project of this evaluation is to develop a currently popular IoT application - air quality detector. The VOC index, relative humidity and temperature of SEK-SVM40 are collected using the...
1. Overview
AHT10 is a high-precision, fully calibrated, SMD packaged temperature and humidity sensor. AHT10 uses standard IIC communication and supports a wide operating power supply voltage range. T...
It is reported that Ningbo Shanshan Co., Ltd. intends to acquire 70% of the shares of the holding company through capital increase at a base purchase price of more than US$770 million, and indirectly...[Details]
In March 2011, the Tohoku earthquake triggered a tsunami that hit Japan's northeastern coastline, killing more than 15,000 people and causing a chain reaction that took Toyota Motor Corp. half a year...[Details]
The wideband RF diversity switches BGS14WMA9 and BGS12WN6 feature high switching speeds. They are optimized for WLAN and Bluetooth applications and provide 0.05 to 6.0 GHz broadband support for FM br...[Details]
introduction
The strong magnetic water treatment instrument is developed by absorbing the advantages of similar products at home and abroad. The product has a strong central magnetic field, litt...[Details]
introduction
Laser processing mainly uses CO2 laser beam to focus on the surface of the material to melt the material, and at the same time uses compressed gas coaxial with the laser beam to bl...[Details]
Machine vision is an essential feature in many real-world applications, enabling machines to sense and perceive the world around them. SiLC Technologies, Inc. (SiLC) has introduced the Eyeonic vision...[Details]
In 2019, the demand for camera products in multiple fields such as smartphones, automobiles, and security has increased exponentially. For a time, many types of core camera components were out of sto...[Details]
Temperature control using an analog proportional-integral-derivative (PID) controller is a very simple circuit that is an effective way to ensure that the set point of a thermoelectric cooler (TEC)...[Details]
Research shows that more than 90% of disturbances in distribution systems are caused by voltage reduction. Commonly used low-voltage compensation technologies, whether centralized compensation at subs...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
TM1640 is a dedicated integrated circuit for driving digital tubes. It can directly drive 16-bit common cathode digital tubes. Please download the attachment for the manual. /***********************...[Details]
Suddenly, capacitive
sensors
are everywhere. They’re installed in car seats to control airbag deployment and seatbelt pretensioners, in dishwashers and dryers to calibrate the state of th...[Details]
Abstract: This paper introduces a Buck DC/DC converter that can be used for satellite-borne switching power supply. In order to meet the needs of satellite-borne switching power supply, compared ...[Details]
Abstract: Based on the operation, use, maintenance and calibration of the rotary piston flowmeter in our factory over the past 10 years, this paper briefly discusses the errors and correction methods...[Details]