2020-11-29 (Su) IoTHackDay2020 Cloud Ouija

The last time I used this TFT screen, I found some problems. Thankfully, since I worked through them once, I had some experience to help this time around. My notes told me that this screen used the SPI protocol, not I2C, so I was using the wrong pins again. I probably checked my connections a dozen times while I tried to figure out why I couldn't get an image on the screen, but I saw something when I hit RESET on the Arduino, so I knew the monitor was getting data.

I hypothesized that my problem was sending 5V signals even though I supplied the board with the required 3.3V. I planned to connect a level-adapting board, but I tried providing the monitor with 5V, and everything worked. I used one of my previous functions to display the current number from the demo mode.
Receiving a new command

The rest of the posts for this project have been arranged by date.
First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7

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