Technical articles and reference guides covering electronic components, circuit design, manufacturing, and industry applications.
Can MG32F157 replace STM32F103? Compare Cortex-M3 performance, memory, peripherals, packages, firmware migration, and hardware requirements for MCU replacement.
Learn how to migrate an STM32F103 design to MG32F157, including PCB, pin mapping, clock, peripherals, firmware, power, and system validation.
A PCB assembly quotation can change considerably even when the PCB itself has not changed.Sometimes the reason is obvious, such as a more expensive IC. In other...
When a production line is waiting for assembled boards, the usual PCBA supplier selection process changes. Price is still important, but lead time becomes the f...
It is common to send the same PCB files to several assembly suppliers and receive quotations that are surprisingly different.One supplier may quote $1.80 per bo...
When a PCB project is running late, finding a manufacturer with a low price is usually not the first priority. The main question is whether the supplier can act...
Choosing a PCB manufacturer is not just about finding a company that can make a circuit board.A supplier may be able to produce ordinary two-layer PCBs but stru...
When PCB assembly moves from prototypes to mass production, even a small saving on each board can make a noticeable difference to the total manufacturing cost.T...
When you ask several PCB assembly suppliers for quotations, it is normal to receive very different prices for the same PCB.Before comparing the numbers, make su...
A component becoming unavailable does not always mean the PCB has to be redesigned immediately.The first step is to understand why the component cannot be purch...
When an inductor becomes obsolete, finding another part with the same inductance value is usually not enough.The original inductor may have been selected for a ...
Finding a high current inductor is not difficult. Finding one that can handle the actual current and temperature of a power supply is a different matter.High cu...
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