By cutting a jumper and soldering another on the back, you can move this line from ICSP to digital #12. This pin is used for the TFT, microSD and resistive touch screen data clockĭigital #12 or ICSP MISO - This is the hardware SPI Microcontroller In Serial Out pin. By cutting a jumper and soldering another on the back, you can move this line from ICSP to digital #13. I may find an answer here thanks in advance!ĭigital #13 or ICSP SCLK - This is the hardware SPI clock pin. I asked this question already in another topic, the full discussion here: link: On another topic, I read that this is just a warning and it should work fine anyway, but my TFT screen just stays white and nothing happens after uploading. You probably want to use 0xcd instead of 0xc9 (double check with your datasheet first). This behaviour is deprecated and will result in an error in future version The Code compiles fine but when I upload it I get the following Message:Īvrdude: WARNING: invalid value for unused bits in fuse "fuse5", should be set to 1 according to datasheet To test my touchscreen I tried to run the example sketch from the Adafruit library "ILI9341" called "graphictest". I'm using the Arduino Software IDE 1.8.13 and installed all the libraries that the tutorial on Adafruits Website (. This is my first time working with Arduino, I'm using an Arduino Uno WiFi Rev 2 and a 2.8inch TFT LCD Touchscreen from Adafruit ( ).
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