Problem with GPS module + microSD card module

Projects Networking, Protocols, and Devices
1

Hey,

I've tried to use GPS module and microSD card module together. When I use it separately, everything works fine - GPS prints NMEA protocol to serial monitor and sample text is saving to microSD card. The problem is when I try to connect it.
GPS is connect to RX and TX, microSD card module use 4 pins: MOSI - pin 11, MISO - pin 12. CLK - pin 13, CS - pin 4.
I use SD.h, SPI.h and SoftwareSerial.h.
When I run the serial monitor, both modules initiate their work and everything STOPS.
What should be wrong? Any ideas?

Cheers!

2

Any ideas?

The usual ones. Post links to the hardware. Post your code.

If the GPS is connected to the RX and TX pins, why are you also trying to use them to talk to the PC? What are you using SoftwareSerial for?