Hi everyone ! I have a problem with the SPI on the Arduino Uno board. Here my code for the MFRC522 RFID module, just read the Card ID and post to the serial port. It works perfectly but my next plan is use another spi slave, so I try to deactive the SPI slave's chip select with digitalWrite(chipSel…

Can not deactive SPI slaves's chip select

Topic		Replies	Views
Ethernet + 2 SPI devices Networking, Protocols, and Devices	22	23669	May 6, 2021
Arduino with SPI two device Networking, Protocols, and Devices	5	2107	May 6, 2021
Why MFRC522 can not work with SD module Programming	9	5651	May 5, 2021
3x MFRC522 per SPI verbinden Deutsch	13	3034	May 6, 2021
Uno with two RFID-readers (RC522) Programming	15	6182	May 5, 2021