Mini 88 LED Matrix HT16K33 Characteristics Operation voltage : DC 4.5V ~ 5.5V Mini 88 LED driving (Max. 168 LED driving for HT16K33) 2 Only requires two wire I C interface between HT16K33 and controller ◆ Selectable I2C address 16-step dimming control Integrated RC oscillator HT16K33 Application Areas LED Displays Application Circuit