Amy's Column
PCB Layout Power Amplifier
Power Amplifier APEX BA1200 PCB this is a driver PCB power amp, you must add the final transistor for this amplifier. The output power is quite lar...
One-Stop PCB Assembly Example 2 - AIoT Face Recognition Mainboard PCBA
The image is an AIoT face recognition mainboard manufactured from PCBHERO. These image process module boards are developed based on Rockchip.In thi...
One-Stop PCB Assembly Example 1 - CCD Camera PCB Assembly
The above image shows the one-stop PCB assembly of CCD (charge-coupled device) camera mainboards. PCBHERO does the electronics hardware building f...
SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part6.)
SMD Inductor Polarity Identification
There are 2 types of SMD inductors.
Chip inductors are non-polarized components.
Multi-pin inductors are pola...
SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(Part 5)
SMD Diode Polarity Identification
SMD diode polarity is marked by:
1. The negative electrode of the diode is marked by a color strip.
2. The neg...
SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part 4)
SMD LED Polarity Identification
The positive/negative electrode of LEDs must be in the same direction as the positive/negative electrode of the PCB...
SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part 3)
There are 3 types of SMD capacitors.
Ceramic capacitors are non-polarized components.
Tantalum capacitors and aluminum electrolytic capacitors have...
Why should electronic components be protected from electrostatic discharge (ESD) damage?
The electronic components themselves have electrostatic sensitive structures. The size of components is getting smaller and smaller.Most of the new...