Adafruit PiOLED - 128x32 Monochrome OLED Add-on for Raspberry Pi POL_Balboa Robot and Accessories there are two USB ports

there are two USB ports and one standard RJ-45 connector

The regulators have reverse voltage protection up to 40 V

Arm technologies each 80% of the global population

Output mode UART

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Adafruit PiOLED - 128x32 Monochrome OLED Add-on for Raspberry Pi POL_Balboa Robot and Accessories there are two USB portsIf you're looking for the most compact li'l display for a Raspberry Pi (most likely a Pi Zero ) project, this might be just the thing you need! The Adafruit 128x32 PiOLED is your little OLED pal, ready to snap onto any and all Raspberry Pi computers, to give you a little display. The PiOLED comes with a monochrome 128x32 OLED, with sharp white pixels. The OLED uses only the I2C pins so you have plenty of GPIO connections available for buttons, LEDs,