ESD32D-Super Mini Form Factor that will run any Sketch a full 38-pin would, but without WiFi or BlueTooth. Plenty of GPIOs including I2C, 6 Analog or 13 Digital, to run any project. Double check the schematic with Expressiff reference design before ordering. Also, ESP38D0WD is EOL (End of Life) .. The LATEST Expressiff production uControler is ESP32-S3 FH4R2 (Dual-core, 240Mhz) no UART interface needed.