Adapter Board for LED Display Control System Conversion Hub Features: All pins are treated by gold-plated with copper, with good contact performance. The drive chip (74HC245) adopts of high quality OR SM, ensuring stable performance. The PCB adopts FR4-V0 glass fiber board, featuring high mechanical and dielectric properties. The standardized output interface of this Hub conversion card is 2.54mm-2 x 8P. Clear screen printing on the board is easy for wiring.   Specification: Model: HUB08A Interface Definition: HUB08A (bi-color / full-color) N.O Description  N.O Description  1 GND 2 A 3 GND 4 B 5 GND 6 C 7 OE 8 D 9 DR1 10 DG1 11 DR2 12 DG2 13 GND 14 LAT 15 GND 　 16 CLK Size: Approx. 12.5 x 6cm / 4.9 x 2.4inch Weight: Approx. 47g / 1.7oz   Package List: 1 x LED Adapter Board