I am having problem in using two SPI modules at the same time with Arduino UNO

[oldcurmudgeon]

I vaguely remember that some SD modules didn't handle the MISO line properly, so they didn't play well with other SPI modules.

Did a search on SD MISO and here is one result...

SOLVED. Nrf24 (Mirf lib) + Micro SD-card works OK together

There is another version of this module: In order to make it work well with other SPI devices we need to mod it Pull up the pin no. 13 of the LVC125A, which controls the MISO output (soldered to GND for some reason), and connect it to the pin no. 8 (CS signal). As a result: now this module works flawlessly with other SPI devices (ETH28J60 module in my case) Have fun [microsd-breakout-board.jpg] [pulled_up_pin.JPG] [mod__.JPG]