Beep, beep, beep, qual è la parola segreta per premere il clacson dell'auto 1 volta, 2 volte e 3 volte?
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 […]
Il cono, noto anche come cono di carta, è uno dei componenti più importanti di un altoparlante.
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 […]
Il clacson delle auto giapponesi ha un suono acuto, mentre quello delle auto europee e americane è sordo e spesso. Quale è il migliore?
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 […]
La prospettiva dell'azienda è quella di acquistare componenti elettronici per realizzare autonomamente i PCBA oppure di trovare direttamente un'azienda che si occupi di 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 […]
Quanto è importante la ricerca e sviluppo per le aziende produttrici di PCBA?
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 […]
Che cosa sono un circuito stampato PCB e un circuito stampato PCBA? In che cosa differiscono?
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. […]
Qual è la differenza tra la saldatura falsa e la saldatura fittizia dei PCBA?
False welding refers to the fact that the welding on the surface of the solder joint seems to be successful, but it is not actually welded. Sometimes the lead can be pulled out of the solder joint with a single pull; and the virtual solder is a small amount of solder pillar at the solder […]
Come viene calcolato il preventivo per l'elaborazione PCBA a Shenzhen?
How is Shenzhen PCBA processing quote calculated? Shenzhen PCBA processing quotation is calculated according to the following: ordinary solder joint fee, DIP solder joint fee, manual solder joint fee, adhesive tape fee, labor fee, cleaning fee, packaging fee, transportation fee, comprehensive fee, and then add what should be Profits form the total PCBA quote. PCBA […]
I produttori di PCBA di Shenzhen lamentano: i tecnici commettono errori, con conseguente elevato numero di prodotti difettosi e perdita di milioni
Recently, a circuit board manufacturer in Shenzhen complained that the PCBA boards produced in the workshop were almost full of production lines. The reason was that a lot of bubbles appeared in the tin spots on the recently processed PCBA circuit boards due to errors in the operation of the technicians. The customer received the […]