Category Archives: Open Source Hardware

Raspberry Pi Setup – Part II: IoT API Platform

Intro This is the second part in a series of posts on setting up a Raspberry Pi to fully utilize the Software & Hardware functionality of this platform to build interesting internet of things (IOT) applications. Part-I is here https://techiecook.wordpress.com/2016/10/10/raspberry-pi-ssh-headless-access-from-mac-and-installing-node-processing/ … this covered the following: Enable SSH service on the Pi Connect to Pi without a display or router –Continue reading “Raspberry Pi Setup – Part II: IoT API Platform”

Raspberry Pi Setup – Part I : Boot, SSH and Headless access

Intro Part I : Documenting the workflow/steps to setup my Raspberry Pi (2 B) – from Installing Raspbian to installing Node, Processing etc Goals: Enable SSH service on the Pi Connect to Pi without a display or router – headless access via Mac Steps Install Raspbian Boot your Pi Setup SSH Connect to Mac Troubleshoot Connection to MacContinue reading “Raspberry Pi Setup – Part I : Boot, SSH and Headless access”

Weblogic Application Deployment Error – “Changing the source location…”

Stack Trace: [01:41:48 PM] Weblogic Server Exception: weblogic.management.ManagementException: [Deployer:149007]New source location, ‘\JDeveloper\system11.1.1.4.37.59.23\o.j2ee\app\.ear’, cannot be deployed to configured application, ”. The application source is at ‘JDeveloper\system11.1.1.4.37.59.23\o.j2ee\drs\’. Changing the source location is not allowed for a previously attempted deployment. Try deploying without specifying the source. [01:41:48 PM] See server logs or server console for more details. [01:41:48Continue reading “Weblogic Application Deployment Error – “Changing the source location…””

Define/Assign Custom Paylod for your BPEL Human Task

When you create a BPEL Human Task, the payload type is not specified by default. You can specify a simple type from the drop down on the “Data” menu item on the BPEL Task Editor page. By default if you have not assigned a menu item then your “payload” element is not defined in yourContinue reading “Define/Assign Custom Paylod for your BPEL Human Task”

Stuff to read

Must read up more on these – download, test, play JGraph – http://www.jgraph.com/mxgraph.html Parallel port interfacing made easy – http://www.epanorama.net/circuits/parallel_output.html Wireless Rabbit Web Server – http://killerprojects.wordpress.com/2010/04/06/wireless-rabbit-web-server-802-11-bg-w-video/#more-53 Introduction to WI-FI, Wireless LAN basics, Wireless Security, Rabbit Wireless doc – http://www.rabbit.com/documentation/docs/manuals/WiFi/Introduction/WiFiIntro.pdf Introduction to ZigBee – http://www.rabbit.com/documentation/docs/manuals/ZigBee/Introduction/ZigBeeIntro.pdf I Make Projects – Wireless Detector  (Hooking up a vibe motorContinue reading “Stuff to read”