74HC138 8 Bit Digital Display Keypad Expansion Board

74HC138 8 Bit Digital Display Board

this is 74HC138 8 Bit Digital Display Board.8-digit digital tube & 5-digit independent button expansion board
8-bit dynamic scanning digital tube with 138 decoding
Red highlights 11 I/O lines to control 8-digit digital tube

Features:

• Bright digital tube for clear display
• Adopt 74HC138 as bit drive, save I/O port, and performance is more stable
• Standard interface for expansion on various development boards
• Fixed screw holes for easy installation
• Suitable for various platforms such as 51/AVR/AVR/ARM