How to setting my computer for internet using modem ZTE F660

How to setting my computer for internet using modem ZTE F660

ZTE F660 setting 4:11:00 PM

Here to setting personal computer to go online using Xampp for hosting application using modem ZTE F660. Please follow the simple 7 steps:Make sure your computer already have the Xampp application installed and ready for...

How to convert signal NPN (Positive common) to PNP (Negative common)

How to convert signal NPN (Positive common) to PNP (Negative common)

3:19:00 PM

The proximity switch sensor is generally a switch to disconnect the positive signal DC voltage to the PLC. However, if the PLC input used is common negative, then the sensor used is the NPN type,...