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- Sun Jun 05, 2022 2:18 pm
- Forum: ESP32 Arduino
- Topic: GPIO 9 doesnt work as OUPUT
- Replies: 0
- Views: 1004
GPIO 9 doesnt work as OUPUT
Greetings! I am very new to all this. I am building a LoRa telemetry project based around the ESP32-C3FH , and this is something I came accros. I am using SPI to talk to an RFM95W and I am using GPIO 9 as a SS/CS pin. To use it as a SS pin I need to set the pinMode to OUTPUT instead of the standard ...