Can display multiple characters. The driver chip is TM1622, compatible with HT1622. The background light is blue, clearer and more accurate. Easy installation, easy operation and stable performance. Areas of application: for MEGA2560 Leonardo Micro Nano Adapter Pro Mini Zero Due. For Raspberry Pi 3 B + 4 For MCU AVR PIC ARMFor FPGA / CU PLPLPLDFor toy car For instrumentation, for electronic hobby DIY