Módulo de pantalla LED paralelo de 4 dígitos y 8 párrafos rojo de 7 segmentos para Arduino nuevo
1 x 4-Digit 8 Paragraph LED Display Board Parallel Digital Tube Display Module. 4 8550 transistor parallel drive. Board size: 33.5 (mm) x21 (mm). Row needle leads to a common pin, include a VCC pin, and 4-bit driving pin (D1, D2, D3, D4).