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4 X AA Battery Holder with Cover and Barrel Socket with 10 cm cable which terminated with a standard 5
Command and Data
5mm Connector
74HC76 (JK Flip Flop) is a dual in-line JK flip flop IC
Traffic Light LED Display Module 2n3819 npn 4 X AA Battery HolderIntroduction : Mini traffic light module: high quality LED display module. 3 colours: red, yellow, green. Vertical location. Input voltage power supply: 5V. Input: digital signal output from your Arduino or controller. Interface: Common cathode connection, individually controls both red, green and yellow. It can be controlled by PWM. Input High or Low level from controller to make LEDs ON or OFF. It just support controller to contorl. This module