Development board model: EC-01F-Kit (10 sets in total)
From: Anxinke
EC-01F-Kit is an NB-IoT development board developed by Essence. The main chip solution used in the NB-IoT part is EC616S. This chip...
LSM303AGR can measure magnetic fields up to ±50 gauss. The Earth's magnetic field strength is around 0.6 gauss.
In this way, the LSM303AGR can theoretically be used to measure the magnetic field of a ...
2.1.Hello World!Hello world is the beginning of all projects.
1) First, enter the hello world directory in the contiki source code:
cd contiki/exaples/hello-world2) Then you can compile it with the fo...
[i=s]This post was last edited by gs001588 on 2022-1-10 21:20[/i][Evaluation of domestic FPGA Gaoyun GW1N-4 series development board]——10. Doubts about OSC jitter and rPLL jitter and deviationIn the p...
[size=4] There is a part of the circuit before the rectifier of the power circuit, which is composed of capacitors and inductors. [/size] [size=4]What is the role of using inductors before rectificati...
Teachers, what is the principle of this constant current source circuit built with LDO? What is RL? Variable resistor? How to achieve constant current?...
Harmonic filtering of power grids is of great significance for maintaining the power supply quality of power grids, especially for key power supply equipment that is greatly affected by harmonics a...[Details]
Today, as the medical system continues to improve, the hospital's informationization has been greatly improved. Now, large hospitals have already used hospital information systems (HIS). After the ...[Details]
At present, lead-acid batteries are widely used in various power supply occasions. In order to give full play to the role of lead-acid batteries, the charger should fully charge the battery durin...[Details]
In engineering technology, the internal structure of chip diodes is basically the same as that of ordinary diodes, both of which are composed of a PN junction. Therefore, the detection method of chip...[Details]
Synopsys and Xinyaohui jointly announced that the two parties have reached a multi-year strategic cooperation. Synopsys authorized Xinyaohui to use Synopsys' 12-28 nanometer process technology and De...[Details]
On August 19, BDStar released its semi-annual report stating that the net profit attributable to the parent company's owners in the first half of the year was 112 million yuan, a year-on-year increas...[Details]
On November 18, Haichen Energy Storage's new generation 5MWh ∞ Block CN series liquid-cooled energy storage system prefabricated cabin officially rolled off the production line. The official launch...[Details]
This writing method is to nest assembly in C. The exact delay time = 2*t*T+5*T, T is one machine cycle. For 8051, If t=1, then the execution of this function should be 7us. If it is STC12, then ...[Details]
0 Introduction
The magnetic dewatering trough is a relatively effective separation equipment for fine-grained iron ore in the beneficiation plant. It is widely used in the beneficiation pro...[Details]
When the compilation is complete, the flash and ram size occupied by the program are displayed Unzip the mapinfo.exe in the attached compressed package to the stvd installation path stvd Right clic...[Details]
China Energy Storage Network News:
The State Grid Corporation of China, a giant central enterprise, previously issued an internal notice on further tightening control of grid investment (Stat...[Details]
This year is known as the first year of 5G commercial use, and many 5G mobile phones have been launched. However, users who pay attention to 5G mobile phones will find that the prices of 5G mob...[Details]
At 7:08 am on June 30, the vehicle rolling off the production line ceremony of BYD Hefei Base Project was held in Xiatang Town, Changfeng County, marking an important milestone in Anhui's new ene...[Details]
Introduction The following is a piece of code that lights up the 51 microcontroller and flashes the LED light using C language. It is also our first step into C51. We will start from the beginning an...[Details]
Production efficiency.
Features of the mechanical control stage
In the mechanical control stage, the control system is mainly composed of mechanical components, such as gears, l...[Details]