STUDING RELAY CONTROL BOARD(ZS-DO-R-16A-1NOC-6 V2.0)

[Justhelpandlearn]

Hello everyone
I am seeking assistance regarding the LN44354T component on a 2-way relay board. If anyone has information or experience with this component, kindly provide details on its specifications, usage, and any available documentation or resources.
Just wanna know how is it work
Thx every one

 

[Harald Kapp]

What exactly is the question? The schematic (right image) shows exactly how to use the board.
The terms "NPN" and "PNP" are a bit misleading, probably chosen because you could easily use the repsective type of transistor to drive the relay coils.
The NPN version (righ top) has a common "+" pole and the "-" is switched to activate a relay. This is where an NPN transistor could easily replace the switch shown in the schematic.
The PNPversion (righ bottom) has a common "-" pole and the "+" is switched to activate a relay. This is where a PNP transistor could easily replace the switch shown in the schematic.