harwalan/shetech-2019

Getting Started

About the examples

Assumptions

The RPi library allows two modes. The code in this repository prefers the BOARD numbering for simplicity of learning and compatiblity across multiple versions of Raspberry Pi hardware.

GPIO.setmode(GPIO.BOARD)

Examples

Example 2 - LED

Example 3 - LED w/button

Example 4 - 3 LEDs with button

• Pin 6 (ground) on pi to negative channel on breadboard
• Jumper from negative to row 23
• button straddles row 23 and 25
• row 25 to pin 16 on pi

LED 1

• Pin 8 on pi to row 5 on breadboard
• Resistor from negative to row 4
• LED from row 4 (-) to row 5 (+) (positive=long)

LED 2

• Pin 10 on pi to row 10 on breadboard
• Resistor from negative to row 9
• LED from row 9 (-) to row 10 (+) (positive=long)

LED 3

• Pin 12 on pi to row 15 on breadboard
• Resistor from negative to row 14
• LED from row 14 (-) to row 15 (+) (positive=long)