skip to Main Content

RPi Node-Red: OLED Display

Table of Contents 1. Connecting the OLED module to the Raspberry Pi Video Tutorial: https://youtu.be/mNdQrVCksVg Begin by connecting your VDD (red wire) and GND (black wire) cables. Connect your SCL (SCK on OLED module) and SDA wires. Connect the VDD…

Read more

RPi-NodeRed OLED IP Address Display

Please copy and paste the entire code block below into the node-red clipboard import window. [{"id":"a1ae5e26.b300a","type":"String","z":"e0e44734.95d078","name":"OLED","display":"4fe1da30.5141a4","x":690,"y":220,"wires":[]},{"id":"60037f1d.3914b","type":"function","z":"e0e44734.95d078","name":"Format Message","func":"msg.payload={\nx:1, \ny:50,\ntext:\"IP \"+msg.payload+\":1880\"\n}\n\nreturn msg;","outputs":1,"noerr":0,"x":520,"y":220,"wires":[["a1ae5e26.b300a"]]},{"id":"8971c892.2fa0f8","type":"change","z":"e0e44734.95d078","name":"IP","rules":[{"t":"set","p":"payload","pt":"msg","to":"payload[0].address","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":350,"y":220,"wires":[["60037f1d.3914b"]]},{"id":"974cfafc.e526d8","type":"inject","z":"e0e44734.95d078","name":"","topic":"","payload":"10","payloadType":"num","repeat":"60","crontab":"","once":true,"onceDelay":0.1,"x":90,"y":220,"wires":[["8c7a8725.02fa58"]]},{"id":"8c7a8725.02fa58","type":"hostip","z":"e0e44734.95d078","name":"Host IP","x":220,"y":220,"wires":[["8971c892.2fa0f8"]]},{"id":"8f95bb29.b800d8","type":"comment","z":"e0e44734.95d078","name":"Display IP address on the mini OLED display","info":"","x":300,"y":180,"wires":[]},{"id":"4fe1da30.5141a4","type":"oled-config","z":"","name":"","width":"128","height":"64","address":"3c"}]

Read more

RPi Node-Red: Buzzer

Parts List: What is a Piezoelectric Buzzer? A piezoelectric buzzer is a buzzer that is activated with an oscillating electric signal.  This means to produce a tone the buzzer must be turned on and off many times per second. The…

Read more

RPi Node-Red: Push Button

Parts List: What is a Push Button? A push button is a momentarily activated button.  When the button mechanism is fully depressed an internal electrical connection is made and this newly made connection can be read as the activation of…

Read more

RPi Node-Red Auto Start

When deploying a Raspberry Pi as a permanent/semi permanent installation is will be useful to have Node-Red start persistently, in the case of power failure, etc. Open a terminal and paste the following command sudo systemctl enable nodered.service Now Node-Red…

Read more

RPi Node-Red: Camera

Parts List: Pi Camera Pi Camera Ribbon Cable Video Tutorial: https://youtu.be/lhPXYR2fFmU First the camera needs to be physically installed. The installation looks like this, note the orientation of the connector compared to the USB ports. Setting up Node-Red Start Node-Red…

Read more
WP2Social Auto Publish Powered By : XYZScripts.com
Back To Top