https://www.crowdsupply.com/anavi-technology/anavi-info-uhat# #ANAVI Info #uHAT is a simple, low-cost, #opensource #RaspberryPi HAT with mini #OLED display, buttons, LEDs, and slots for various sensors.
ANAVI Info uHAT

An open hardware Raspberry Pi add-on board with a mini OLED display, buttons, and slots for sensors

Crowd Supply