The goal was to use a phone or tablet to control the RC car/tuck/tractor via a web browser using touch events via WIFI. This way, only one app is needed, no need to learn IOS, Android, or worse NOOK API.
So, to do this, the phone/tablet would need to be a hot spot or the RC "tractor" needs to be a hot spot. iPhone/iTouch don't support being a hot spot, plus being a hot spot does drain the battery life. So, the RC tractor needs to be a WIFI hot spot/access point. Most newer USB WIFI dongles support SoftAP mode in the hardware. Linux also provides support for this via hostapd. More about this later..
Parts list
- Chassis
- Motor controller
- SBC (Linux single board computer)
- Battery pack
- USB Hub
- USB Wifi stick (Belkin) supports softAP
Controller
- Web Server
- daemon task to process httpXMLRequests (There is a way to resolve the CORS issue)
Update:
- Changed the Wifi to a bluetooth USB. This makes it easier to control outside in the sun.
Here us a very basic wiring diagram: Changed the web client app to use the cwiid interface and use a basic wiiremote with classic controller.
