AliExpress: 10$


USBBoardProccessorProgMemMhz/MIPSSPII2CUARTidle PWR
MicroTTGO 4MtEspressif ESP32-D0WDQ6

240/600


0.301W

Board: ESP32 Dev Module

Upload Speed: 921600

CPU: 240 MHz

OLEDpins
addr0x3c
SDAGPIO4
SCLGPIO15
RSTGPIO16

integrated serial to USB CP2102.


https://github.com/LilyGO/ESP32-DHT-SSD1306