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Step 1: Getting Ready
For this tutorial you need the following hardware components:
- Raspberry Pi (any model or version)
- Male to female jumper wires (x2)
- microSD card with Raspian GNU/Linux distribution
- Power supply
Step 2: Wiring
One of the jumper wires should be connected to ground which is on pin 6 of Raspberry Pi. The other wire goes to pin 7. The resistor should be on the breadboard, between the second wire and the LED (as shown in the photos).
Step 3: Setting Up Development Environment
Make sure that Raspbian GNU/Linux distribution is running on your Raspberry Pi. Log in though SSH or just open a terminal application on the Pi itself. After that execute the following command to install Node.js, npm (Node Package Manager) and git:
sudo apt-get install -y nodejs npm git
Step 4: Installing the Example
Get the open source example and install its dependencies using npm:
git clone https://github.com/leon-anavi/rpi-nodejs-examples.git cd rpi-nodejs-examples npm install
Step 5: Blinking LED
Execute the following command with root permission and the LED will start blinking on every second:
sudo nodejs led/led.js
Step 6: How Does It Work?
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