​Electret capacitive microphone

On 2018-11-01 14:19:07  in Relays

​Electret capacitive microphone

To measure the secondary coil of the output transformer,it can be measured directly with the two surface pen to check the output end of the city ...

Common field effect transistor Slice field effect transistor

On 2018-08-28 17:24:04  in Relays

Common field effect transistor Slice field effect transistor

Low power field effect transistor, low power field effect transistor, high input impedance, low driving current, with low noise characteristics ...

Identification and detection of active resistance elements

On 2018-08-22 11:08:45  in Relays

Identification and detection of active resistance elements

Resistance is one of the most common and basic electronic components. ...

What is a monochrome LED dot matrix display?

On 2018-10-29 15:27:20  in Relays

What is a monochrome LED dot matrix display?

Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...