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Operating voltage: 3V to 5V
Introduction:
Matrix Keypad 16 switches are connected to each other with conductive trace underneath the pad forming a matrix of 4×4 grid
Medical instrumentation
USB client for power & communications
Line Follower Tracking Module 3 Channels dc fan Operating voltage: 3V to 5VIntroduction: Line Follower Tracking Module 3 Channels This module uses Infrared to detect the line so it has anti interference ability, visible light will not interfere its operation. The TCRT5000 is a reflective sensor which include an infrared emitter and phototransistor in a leaded package which blocks visible light. It has indicator LEDs on it, when tracing sensor senses a key signal, LED lights, otherwise off. Features: High sensitivity Stable
