5PCS MAX7219 8x8 Dot Matrix LED Display Module 5V MCU Control MAX7219 88 LED Dot Matrix DIY Kit (B) B auspowers_batchtwo 4 Pcs Beaded Phone Charm B00IIC6ALK 4 Pcs Beaded Phone Charm Natural Stone Cell Phone Charms Strap Lanyard Wrist Strap Handmade Stone Cell Phone Strap Phone String Charms Keychain Phone Chain Bracelet Cell Phone Charms 5 ~ 4 mm² TC C: 3 ~ 6 mm² Package including: 100 x TC electrical connectors 100 x TC T Electrical Connectors 100 x TC A Electrical Connectors 100 x TC B electrical connectors 100 x TC C Electrical Connectors KeeYees: Best choice in various Electronic Modules & Components Module size : 5 cm X 3 Only one external register is used to set the segment current for each LED