Quick reference. Refer to the page Differing ESP32 Display boards for more detail. A Pin Reference for both variants Function Notes TTGO-T-Display LILYGO S2 T8 Display TFT TFT_BL 4 33 TFT_CS 5 34 TFT_MOSI 19 35 TFT_SCLK 18 36 TFT_DC 16 37 TFT_RST 23 38 TFT_MISO -1 SD Card I2C_SDA 21 SD_CS 10 I2C_SCL 22… Continue reading Pin reference for ESP32 S2 and T-Displays
Month: February 2022
Graphing with ESP32 S2 and T-Display (update)
These devices are able to display a useful graph. Not accurate enough for measurements but good to see trends. In my case I use it to display various data trends from the household solar installation: PV output, Household usage, Feed-in, Battery state and so on. The attached code is very straightforward.The process involves: The DataAny… Continue reading Graphing with ESP32 S2 and T-Display (update)