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M4R5 IoT Sensors & Devices Notes — Complete Study Material
Master IoT sensors and devices for O Level M4R5 with our comprehensive notes PDF. Download chapter-wise study material covering sensor types, actuators, microcontrollers, and device interfacing.
Each note includes detailed explanations, diagrams, and examples — perfect for students preparing for the M4R5 IoT & Applications exam in 2026.
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