What is a monochrome LED dot matrix display?
On 2018-10-29 15:27:20 in Relays
Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
Identification and detection of active resistance elements
On 2018-08-22 11:08:45 in Relays
Classification of capacitors
On 2018-10-30 11:59:35 in Relays
According to function.It can be divided into polyester capacitor,mica capacitor,high frequency ceramic capacitor,monolithic capacitor ...
Four wave soldering daily maintenance and maintenance knowledge
On 2018-10-30 11:01:43 in Relays
Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...
The resistance between 2E and C
On 2018-10-27 11:00:40 in Relays
The resistance between 2E and C.Silicon tube is almost infinite size power pin tube in the tens of thousands of euros,high-power wrong tube in the hundreds of Europe.If the measured resistance is zero ...
What are the trends in data storage in 2020?
On 2020-09-15 10:34:06 in Relays