NextPCB has started offering free PCBA prototypes for PCB designs based on the ESP32-S3 wireless microcontroller following a similar offer for free ...

Of course, it’s not quite that simple. A PCB is more than just copper ... To demonstrate this, [FesZ] used an online tool to design a bandpass filter for ADS-B signals. He designed two filters ...

First off, making a PCB easy to read and using sane placement of ... But there are also more serious concerns, such as the enforcement of design partitionings — such as keeping analog circuits ...