Adafruit 1.2" 4-Digit 7-Segment Display w/I2C Backpack - Yellow USB Battery Packs so you can switch between

so you can switch between the two and have the same working code

This well made anemometer is designed to sit outside and measure wind speed with ease

Dimensions: 40

and beeping continuity test

even ones that use I2C since that is a shared bus

Adafruit 1.2" 4-Digit 7-Segment Display w/I2C Backpack - Yellow USB Battery Packs so you can switch betweenWe love these big 7 segment displays and use them around our warehouse for displaying important information. They are easy to use and work with Arduino, Raspberry Pi, or just about any microcontroller. The backpacks use a driver chip that does all the heavy lifting for you: They have a built in clock so they multiplex the display. They use constant current drivers for ultra bright, consistent color (the images above are photographed at the dimmest