How to communicate with both RFID reader rc522 and a lcd st7920 128x64 via a single SPI bus on a NodeMCU esp8266 microcontroller?

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闹比i
闹比i 2020-12-28 21:58

I am trying to control both RC522 and lcd st7920 (128x64) via a single SPI bus on the NodeMCU esp8266. I am using Arduino core for my esp8266. Now in this portion of the cod

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