[i=s]This post was last edited by paulhyde on 2014-9-15 09:12[/i] I got it working today. May I ask what wireless transceiver modules everyone uses? I think it might be useful for the car problem!...
The controlled circuit is 48V/10A DC, and I want to control the microcontroller to trigger the switch of the relay through the computer serial port. But I checked the market and found that they are ge...
[i=s] This post was last edited by RF-刘海石 on 2016-12-27 22:40 [/i] [color=#ff0000][size=4]2016 is about to end, but I am still on a business trip, working hard in this cold northwest. . . I probably w...
TO-252 package, the first pin is connected to two resistors for voltage division, the second and third pins are measured with a multimeter and are Schottky diodes, but what is the first pin used for?...
Error: L6286E: Value(0xbffff70) out of range(0 - 0xfff) for relocation #2 (wrt symbol Image$$ZI$$Limit) in init.o(init)================================================================================M...
This algorithm code is based on the algorithm given in Jean Meeus's book "Astronomical Algorithms" by the National Renewable Energy Laboratory of the United States. It realizes the calculation of sola...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
In this final installment of a five-part blog series, I will discuss noise in op amps driving headphone loads and some techniques for reducing it. Previous posts have discussed headphone load power...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
The intelligent
dust monitoring system intelligently monitors dust concentrations at and around construction sites. All concentration values are transmitted to a cloud server for
cloud co...[Details]