I made a USB to serial port with pl2303, but the computer can't detect it. Only when I connect the multimeter to pin 17 and ground, the computer can detect it. I have been looking for several days, pl...
In certain applications, design requirements may require that the system's switch-mode power supply deliver output more quickly than a normal power supply. Figure 1 shows the bootstrap, or startup, ci...
ARM9 2440 failed to read SHT11, all 0XFF; after 2440 sent the command, no ACK signal was detected at the ninth clock. There should be no problem with the hardware, the same sensor runs normally on oth...
How to measure the distance between two nodes (cc2530)? Currently I use afIncomingMSGPacket_t in the z-stack protocol stack to read the rssi value. Now I don't know what algorithm to use to calculate ...
[i=s]This post was last edited by hujj on 2019-1-9 10:45[/i] The ST NUCLEO-G071RB[/color][/align] development board used in this review comes from the [color=#008000][backcolor=transparent][font=Tahom...
As shown in the picture, today is the day to eat eel in Japan, the official name is "Tu De Chou Day". Tu: Saturday in Japan. Monday to Sunday are called like this in Japan, Yue Yao, Tu Yao, Wed Yao, T...
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[Details]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[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]
During daily operation of an R-type power transformer, the voltage used varies as the equipment being used adjusts. This raises the question: can the transformer change voltage at this point? The a...[Details]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]