dbduino-prjs · d-beamon · Nov 27, 2024 · Nov 25, 2024 · Nov 27, 2024 · Nov 27, 2024
diff --git a/assets/RPI-GPIO-Basic-Node-RED-Arduino_Cloud.png b/assets/RPI-GPIO-Basic-Node-RED-Arduino_Cloud.png
diff --git a/assets/RPI-GPIO-Basic-Node-RED-Cloud_Config-1.png b/assets/RPI-GPIO-Basic-Node-RED-Cloud_Config-1.png
diff --git a/assets/RPI-GPIO-Basic-Node-RED-Cloud_Config-2.png b/assets/RPI-GPIO-Basic-Node-RED-Cloud_Config-2.png
diff --git a/assets/RPI-GPIO-Basic-Node-RED-Cloud_Config.gif b/assets/RPI-GPIO-Basic-Node-RED-Cloud_Config.gif
diff --git a/assets/RPI-GPIO-Basic-Node-RED-Digital-IN.png b/assets/RPI-GPIO-Basic-Node-RED-Digital-IN.png
diff --git a/assets/RPI-GPIO-Basic-Node-RED-Digital-OUT.png b/assets/RPI-GPIO-Basic-Node-RED-Digital-OUT.png
diff --git a/js/gpio-basic/README.md b/js/gpio-basic/README.md
@@ -53,8 +53,6 @@ This is a screenshot for reference.
 
 ## 2. Set up your Node.js environment
 
-### Install the system libraries and required NPM packages
-
 Now it is time to install the Node.js dependencies in order to use Arduino Cloud. You have a [full tutorial](https://docs.arduino.cc/arduino-cloud/guides/javascript/) that describes the process in detail.
 
 It can be summarized as follows:
@@ -73,7 +71,7 @@ sudo apt install gpiod libgpiod2 libgpiod-dev libnode-dev
 ### Install the GPIOD node.js package using NPM
 Next, you have to install the node package. 
 
-> Tip: The NPM modules can be installed globally or locally in the working folder. My suggestion is to work in the `js/` folder and install the modules there. Once installed, you should see a folder `js/node_modules/`.
+> Tip: The NPM modules can be installed globally or locally in the working folder. My suggestion is to work in the `js/` folder and install the modules there with the command above. Once installed, you should see a folder `js/node_modules/`. If you want to install the modules globally, just add `-g` to the command.
 
 ```
 npm install --save node-libgpiod node-fetch

diff --git a/node-red/README.md b/node-red/README.md
diff --git a/node-red/gpio-basic/README.md b/node-red/gpio-basic/README.md
diff --git a/node-red/gpio-basic/flows.json b/node-red/gpio-basic/flows.json
@@ -2,7 +2,7 @@
     {
         "id": "77a698253f4e0f3b",
         "type": "tab",
-        "label": "Flow 1",
+        "label": "Arduino Cloud <-> GPIOs",
         "disabled": false,
         "info": "",
         "env": []
@@ -118,7 +118,7 @@
         "repeat": "1",
         "crontab": "",
         "once": false,
-        "onceDelay": 0.1,
+        "onceDelay": "5",
         "topic": "",
         "x": 150,
         "y": 220,
@@ -202,7 +202,7 @@
         "name": "Link to Arduino Cloud Dashboard",
         "info": "https://app.arduino.cc/dashboards/25b90b8d-aba5-4414-9b4f-0a0f43778749",
         "x": 210,
-        "y": 40,
+        "y": 500,
         "wires": []
     },
     {
@@ -252,7 +252,7 @@
         "repeat": "5",
         "crontab": "",
         "once": false,
-        "onceDelay": 0.1,
+        "onceDelay": "5",
         "topic": "",
         "x": 150,
         "y": 100,
@@ -329,5 +329,35 @@
                 "45efe7b0aee2a4a1"
             ]
         ]
+    },
+    {
+        "id": "58df54993a68d0e7",
+        "type": "comment",
+        "z": "77a698253f4e0f3b",
+        "name": "Periodic integer value sent to Arduino Cloud",
+        "info": "",
+        "x": 250,
+        "y": 60,
+        "wires": []
+    },
+    {
+        "id": "7d011f726bbf42ee",
+        "type": "comment",
+        "z": "77a698253f4e0f3b",
+        "name": "Read GPIO and send value to Arduino Cloud",
+        "info": "",
+        "x": 250,
+        "y": 180,
+        "wires": []
+    },
+    {
+        "id": "2c56eb0de8394bc8",
+        "type": "comment",
+        "z": "77a698253f4e0f3b",
+        "name": "Read LED status from Arduino Cloud and set GPIO",
+        "info": "",
+        "x": 270,
+        "y": 300,
+        "wires": []
     }
 ]
diff --git a/node-red/gpio-basic/pm2-node-red-start.sh b/node-red/gpio-basic/pm2-node-red-start.sh
@@ -0,0 +1,17 @@
+#! /bin/sh
+#
+# This is script must be used to launch Node-RED if you need to pre-configure
+# any of the GPIOs
+#
+
+GPIOCHIP=4
+GPIOLINE=15
+
+# Set the GPIO as pull-up
+/usr/bin/gpioget -B pull-up gpiochip${GPIOCHIP} ${GPIOLINE}
+
+# Launch Node-RED
+SCRIPT_PATH="$(realpath $0)"
+NODE_RED_FOLDER="$(dirname $SCRIPT_PATH)"
+/usr/bin/node-red -v --userDir ${NODE_RED_FOLDER} --max-old-space-size=128
+
diff --git a/node-red/gpio-basic/pm2.json b/node-red/gpio-basic/pm2.json
@@ -2,11 +2,7 @@
   "apps": [
     {
       "name": "node-red",
-      "script": "node-red",
-      // Change the directory to your own one
-      "args": ["--userDir", "/home/dbeamon/projects/python/arduino-cloud/rpi-arduino-cloud/node-red/gpio-basic"],
-      "node_args": ["--max-old-space-size=128"],
-      // Other configurations...
+      "script": "<FULL_PATH_TO_YOUR FOLDER>/pm2-node-red-start.sh"
     }
   ]
 }