Lesson 1 Blinking LED
Introduction
LED is usually used in office lighting, furniture, decoration, sign board, streetlight, etc.
Components
- 1 * Raspberry Pi
- 1 * GPIO Extension Board
- 1 * 40-Pin GPIO Cable
- 1 * Breadboard
- 1 * LED Module
- 1 * 3-Pin Wires
Experimental Principle
The Fritzing images:
The Physical picture:
The schematic diagram:
In this experiment, we make the pin 11 of the Raspberry Pi output High/Low by
programming, to control the LED to blink in a certain frequency.
Experimental Procedures
220Ω
R1
D1
LED_P
1
2
3
P1
Header
+
-
NC
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