Car driver’s doubts: why the truck horn is so loud
In daily driving, the driver of the car will ask me an idiot question from time to time: the same is the horn, why is the horn of your big truck so loud? At this time, I will smile a little: Because I am big! Long! So the power is even stronger! Our large trucks […]
The car horn cannot be pressed randomly, the correct usage method is here
Many pedestrians will feel this way. When walking on the street or crossing the road, the sound of car horns around is constantly sounding, and the ups and downs are very disturbing. And friends who have a car have also experienced this experience when they are not driving. This is because the drivers do not […]
Do n’t neglect car horns, maintenance skills must be taken seriously, owner: finally understand
Do you usually pay attention to the maintenance of your car’s sound warning device? In fact, it is the car’s horn device. The horn is also an important part of the car. The function of the horn is to remind pedestrians and vehicles to attract each other’s attention and ensure safety during driving. How should […]
Beep, beep, beep, what is the secret word for pressing the car horn 1 time, 2 times, and 3 times?
According to statistics from the China Communications Bureau in June 2019, China’s car ownership has now exceeded 280 million. In the face of such a large number of cars, the regulatory pressure on the transportation sector is also very high, and cars are mobile objects. It brings difficulties to traffic police, so traffic accidents frequently […]
The cone, also known as a paper cone, is one of the important components in a speaker.
When an audio signal is input to the speaker, the voice coil vibrates in the magnetic field. Because the voice coil is fixed on the paper cone, the paper cone will vibrate along with it. The vibration of the paper cone forces the air to resonate, making a sound. Therefore, different sound basin materials will […]
Japanese car horn sounds sharp, European and American car horns are dull and thick, which one is better?
The car whistle sounds a beep and a beep. In addition, Japanese car horns are mostly dip and the sound is sharp. Most European and American car horns are beeping, dull and louder. Why is that? Which speaker is better? First of all, car horns are divided into electric horns and air horns. Generally, large […]
The company’s perspective is to purchase electronic components to make PCBA itself, or to directly find a company to do PCBA?
First, first look at your company’s product needs and your own supply chain situation. If the supply chain you add is very good, it is usually purchased by yourself. So you know the cost and price Second, if your own strength is product development, not the supply chain, it is still recommended to directly find […]
How important is R & D to PCBA manufacturing companies?
New developments require more complex, larger PCBA and tighter packaging. These requirements challenge our ability to build and test these units. Further, larger boards with smaller components and higher node counts may continue. For example, a design that is currently drawing a circuit board diagram has approximately 116,000 nodes, more than 5,100 components, and more […]
What is a PCB circuit board, PCBA circuit board, how do the two differ?
PCB board refers to the light board that only needs to be manufactured and has no parts. PCBA refers to PCBs that have electronic components, parts on the PCB board, and functional circuit boards after SMT. Our common circuit boards are PCBA. PCB boards can only be seen during the original processing of the manufacturer. […]