I saw the email and was on a business trip in Beijing. I contacted okhxyyo and went directly to EEWORLD to pick it up. Am I the fastest to get it? The editors were very enthusiastic and even invited m...
I saw the nRF24L01 driver in the micropython source code a long time ago, but I never tested it. Yesterday I soldered two modules, modified the GPIO definition, tested the basic communication function...
A 100W wireless power transmission prototype was made before. The primary resonant side adopted full-bridge switch phase shift control. The schematic diagram is shown in the figure.The actual measured...
Receive "SHT31 Smart Gadget" and start testing immediately
The test board I received is a bit like chewing gum. But it is a bit bigger.
After opening the package, you can see that there is a "plastic ...
IoT security himqtt firewall data structure ringbuffer ring bufferWith the popularity of 5G , IoT security is particularly important. himqtt is the first high-performance MQTT IoT firewall with comple...
1 Introduction
Direct torque control technology is an important AC speed regulation theory proposed in the mid-1980s. Since its proposal, it has received widespread attention . It has the c...[Details]
PCB layout is one of the most important tasks for a power supply designer. Every engineer who has worked on power supplies has made a PCB-related mistake that caused the power supply to not work prop...[Details]
Recently, the Industrial Internet Consortium (IIC) released a white paper on best practices for developing and deploying IIoT solutions. The new white paper released by the Industrial Internet Conso...[Details]
The previous two sections described the Flash storage structure and Hex format of dsPIC33E. Next, we will start to describe how to write the Bootloader lower and upper computers. This section descr...[Details]
0 Introduction
As we all know, DC motors have good speed regulation performance, but they have shortcomings such as mechanical commutation devices that easily cause commutation sparks, elec...[Details]
In banks or other public places, you will often see display screens showing real-time information, including year, month, day, week, time, etc. The function of this example is to set, obtain, and reco...[Details]
0 Introduction
Pneumatic artificial muscle, also known as Pneumatic Muscle Actuator (PMA), began to be studied in the 1950s. In recent years, it has been widely studied and applied in Chin...[Details]
With the continuous development of society, people's lives are increasingly inseparable from map navigation. Whether we are driving or going to unfamiliar places, we will use mobile maps. However, am...[Details]
LCD continues to occupy a large share in the display market and is currently the mainstream of flat panel display research. The concept of flat photoluminescent-liquid crystal display (PL-LCD) was ...[Details]
Today, there are many network equipment manufacturers, and they all promise that their network and switching equipment is energy-efficient, but few manufacturers can prove actual usage. Therefore, ...[Details]
In this article, we test the counting function of the 51 single-chip microcomputer timer, using timer 0 to generate a 10KHz square wave through mode 2 and output it through the P1.0 port of the singl...[Details]
How to judge whether the neutral wire and the ground wire are short-circuited? The short-circuit between the neutral wire and the ground wire is very dangerous in household electricity use, which can...[Details]
1. Research background
According to geographical factors and the characteristics of energy generation/transmission/distribution/use, the integrated energy system can be divided into cross-...[Details]
Since 2019, several animated films related to artificial intelligence have been extremely popular. First was "Battle Angel: Alita" produced by Cameron, and then Netflix's self-produced animation seri...[Details]
The 95th Changzhou Distributed Photovoltaic Power Station Construction and Energy Storage Microgrid Training Course hosted by Tao Photovoltaic College has been successfully concluded. From July 23 ...[Details]
MicroPython Open Source section
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