ALLNET 4duino LED module DOT Matrix 16 in 1
technical data:
onboard 16 MAX7219 serial input / output common cathode display driver chip Operating voltage: 5V onboard 8 rows round holes pin base, conveniently inserted grid tubes module carrier cascading 16 3.2 (mm) x 3 .2 (mm) 8x8 common cathode grid tubes the chip pin related has led to recognize cascade display board size: approx. 129 (mm) x129 (mm)
Package contents:
1 x 32 x 32 dot matrix module LED display drive module MAX7219 15 x Dupont Cable socket - socket