Steve Yegge: It's easy to come up with new product ideas if you start with the understanding that everything sucks. Everything can stand improvement. Just think about what you'd change if you were doing it for yourself, and everything should start falling into place.
Monday, December 4, 2017
Minecraft scratch server
Minecraft scratch server hosted on the cloud for collaborative coding. See Using Scratch with Minecraft & Scriptcraft
Friday, August 4, 2017
Sunday, July 30, 2017
Saturday, March 18, 2017
Thursday, March 16, 2017
Convert chandeliers to LED (AC to DC)
Add AC to DC converter to base of chandedlier, change the lamps with high power LEDs.
For DC conversion you can use power adaptors, but they usually have 5V, so might need one with more V output.
For DC conversion you can use power adaptors, but they usually have 5V, so might need one with more V output.
Monday, February 27, 2017
Car IoT
Scenario: A toy car with a light sensor should drive through a dark tunnel. The car should transmit position and light intensity information to server. A second toy car should drive the same route and when it arrives at the tunnel, it should light up its LED.
What I need:
What I need:
- A remote controlled toy car with LED, light sensor, computer and WiFi. Use Lego Mindstorms (LM) EV3.
- A server that listens to and broadcasts light intensity data.
- Version 1: Save data on LM.
- Save data on LM. Use number of wheel turns to approximate distance travelled. How do you persist data on LM?
- How to light up an LED with LM.
- Version 2: Use (local IP), host server on your laptop.
- How to transmit data from LM to server via WiFi.
- How to get data from server via WiFi to LM.
- Version 3: Use VPS and static IP.
- Version 4: Access data from an Android smartphone.
- Version 5: Use IMU to calculate distance.
Wednesday, February 22, 2017
Monday, February 13, 2017
Youtube channel idea
Pick java/android questions in Stackoverflow that are not complete projects and make videos that are supported by github. Value: When informatin is missing, it is difficult for novice people to use the answer in their projects.
Friday, January 20, 2017
Tuesday, January 10, 2017
Map for search and rescue operations
Tolga: Search and rescue personel have categories like 7 year old child etc. These categories define typical behaviour of the victim. For example, if it is a 7 year old child, it will not stay where it is and move at a certain speed.
It would be helpful to have a tool that
It would be helpful to have a tool that
- Works without internet connection
- Draws map
- Lets the user input
- victim category
- victim location
- time passed or time the intelligence was obtained (time passed = current - obtained)
- Draws estimated location circle with radius according to category and time passed
Research:
- PDF: Decision support software for search & rescue operations
- Google maps API might be used offline. It is required to be run with internet connection for the first time. I could use OSMDroid as map container.
- Google maps static API provides maps as images. We could create this images at base where there is internet location. When on the mission we could draw and update circles on these images.
- OpenStreetMap: osmdroid
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