32F746GDISCOVERY, Discovery kit with STM32F746NG MCUDescriptionThe STM32F7 discovery kit allows users to develop and share applications with the STM32F7 Series microcontollers based on ARM® Cortex®-M7
2019/10/30 fandoukeji
customized mini router pcba with dipswitch RS485 RS433 IC rj11 cable Specification Specification parametersWorking frequencysingle frequency 2.4 GHzWireless standardsIEEE 802.11 n,IEEE 802.11 g,IEEE 8
2019/10/30 fandoukeji
Blind Via HoleIn a complex multilayer board, part of the through holes are deliberately not fully drilled because only a few layers of interconnection are needed. If one of the holes is connected to t
2019/08/08
Basic Grid When a circuit board is designed, its conductor layout locates the vertical and horizontal lattices on which it lands. The early grid spacing was 100 mil. At present, the basic grid sp
2019/08/08
Artwork Artwork negativesIn the circuit board industry, this word often refers to black and white film. As for the brown Diazo Film, it's also called Phototool. The negative used by PCB can b
2019/08/08
Annular Ring Pore ringRefers to the copper ring that is wound around the wall of the connecting hole and is flat on the plate surface. On the inner panel, the hole ring is often connected with th
2019/08/08
