The Adafruit 2.23" Monochrome OLED Bonnet for Raspberry Pi comes with a 2.13" diagonal monochrome 128x32 OLED, with sharp white pixels. The OLED the I2C pins plus GPIO #4 for reset, so you have plenty of GPIO connections available for buttons, LEDs, sensors, etc. It sits nice and flat so many cases that have an open top can have this display inserted.
This screen is made of 128x32 individual white OLED pixels and because the display makes its own light, no backlight is required. This reduces the power required to run the OLED and is why the display has such high contrast.
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LoRa Bonnet with OLED
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