1. Use TM1650 (compatible with AIP650) digital tube dedicated driver chip, support 8-level brightness adjustment, working voltage 3.3V´¢Ş5.5V
2. IIC interface, only need 2 ordinary IO to drive, do not need MCU to scan repeatedly, saving MCU resources.
3. 4-digit 0.56 inch red/green common cathode digital tube with decimal point.
4. 0.56 inches with four 2mm inner diameter positioning holes.
5. The power supply is with anti-reverse connection, and the chip will not be burned if it is connected reversely
6. Size 6.0*2.2 (cm)
1 x Tube