Allicdata electronics

Electronic components, capacitors, resistors, diodes, LED lights, etc.

Entries from 2018-12-12 to 1 day

A detailed explanation of the role and principle of Via hole

What is the function and principle of adding a Via via near the Via hole of the trace as shown? The vias of the pcb board are classified according to their functions and can be divided into the following types: 1, signal vias (via structur…

What are the four levels of PCB engineers that you have cultivated?

Job: Entry Level PCB Engineer (Level-1)skill requirements:1, can make a simple package, such as DIP10;2. Master the basic operation of at least one PCB design software, and formulate simple rules such as wiring line width and spacing;3, ca…

Question about the value of the pull-up resistor

Record a problem encountered here. The cause of the problem is that the value of the pull-up resistor is too large, causing the level of the drive IO port to be abnormal. Reduce the pull-up resistor value and the circuit returns to normal.…

The rover adds a new board, STM32F723 Discovery Kit

The development board rover adds a new board: the STM32F723 Discovery Kit. Let me briefly introduce this board: The STM32 Discovery Kit's on-board features include MEMS microphones, MEMS sensors, audio codecs and user interface displays to…

PCB layout rules ALLICDATA

10 rules for component layout:Follow the layout principle of “first big and then small, first difficult and easy”, that is, important unit circuits and core components should be prioritized.The layout should refer to the principle block di…