Adafruit 1.2" 4-Digit 7-Segment Display w/I2C Backpack - Red Shipping:1 day The VINT port is completely

The VINT port is completely isolated from the power supply in order to increase system stability by eliminating ground loops

green and blue OLEDs

We have also provided a Qwiic connector for easy interfacing with the I2C bus using the [Qwiic system](https://www

which could be a good partner for your tank-like robots

24LC256 is a 32K x 8(256Kbit) Serial Electrically Erasable Programmable Read - Only Memory

Adafruit 1.2" 4-Digit 7-Segment Display w/I2C Backpack - Red Shipping:1 day The VINT port is completelyWhat's better than a single LED? Lots of LEDs! A fun way to make a numeric display is to use a 4 digit 7 segment display . LED matrices like these are 'multiplexed' so to control all the seven segment LEDs you need 14 pins. That's a lot of pins, and there are driver chips like the MAX7219 that can control a matrix for you but there's a lot of wiring to set up and they take up a ton of space. Here at Adafruit we feel your pain! After all, wouldn't it