JY-MCU four bit 8 segment digital tube module chip IIC interface drive green color LED display

Features: 1, using TM1650 digital driver chip, supports 8 brightness adjustment, working voltage 3.3V ~ 5.5V 2, IIC interface only two ordinary IO can be driven without mcu scanning, eliminating the need for mcu resources 3,4 0.56 inch common cathode LED red with decimal point 4, there are 4 2mm diameter positioning hole, easy to install 5, anti-reverse power supply, the reverse is not burning chips 6, curved corner design, size 6.0 * 2.1 (cm)