Although DIY PCB making has made great strides since the early days of chemical etching, there’s one fly in the ointment: vias. These connect individual layers of the board with a conductive ...

No user-serviceable parts inside? Give me a break! The head unit is tough to get to, but the PCBs within the chassis use ...

Perhaps your window AC unit, or the dimmer in your dining ... and he needs to figure out if he can create a custom PCB that combines the circuit and the ESP32 into one. The video goes through ...