· Active principles: 74hc138 IC decryption application, use the method to scan led + Block practice single LEDs· Number of Leds: 2 blue Leds· Active principles: light the Led on/off control under common cathode method + Block practice keyboard matrix · Matrix 4 x 4 type keyboard, the keyboard hard, crisp display key name· Active principles: use scanning method + Led matrix practice Block · Number of Leds: 1 Led matrix 8 x 8 type, shown in red· Active principles: 74hc138 IC decryption application, use the method to scan led + RS232 computer communication Block · Communication ports: DB9・ Application to media with the computer or peripherals that support RS232 communications standard + Connecting blocks with expansion module· Serial port connector: connector 20x2· The input/output connector to connect is launched with the external expansion modules-The module properties:.· Fixing devices dialog box: ABS Plastic for experiments, ensure the hardness, hardness and aesthetic properties· The module surface black, white guidelines definition
đang được dịch, vui lòng đợi..