I am looking for some guidance here.
I have had experience with RPi and other general microcontrollers but to date have had nil exposure to Ardunio and am struggling a bit with staggering amount of options and limited documentation on compatibility.
The project began in looking at is a low cost mechanism for wirelessly controlling toggle switches over my home network.
What I came up with as potentially the most cost effective solution was to get some Arduino (Thinking Uno R3) boards, tied with NRF24L01+ modules at the switches (GPIOs connected to reed relays etc) and a “master unit” (Arduino board TBA) with the same wireless module that would be connected to the LAN and listen for requests. Requests received would pass through a logic layer and be fired off to the correct switch via the module to toggle the respective GPIO.
From what I have read this in itself would be fine, though I couldn’t get much in the way of pin configurations for the wireless modules being interfaced to the Uno. Thinking a little deeper into this, came across some very low cost Touch LCD panels on eBay (Eg: http://bit.ly/1gTBo0G) that would be cool to interface at the switch as well for dual control as to remote wireless or local touch.
Where I come completely unstuck;
- Is there any issue connecting an Uno, NRF24L01+ and Touch LCD panel (as linked) at the same time? Or do they require some of the same pins making this impossible on the Uno?
- What would some of your recommendations be in relation to hardware to use? Are there better options? (Keep low cost in mind)
Appreciate any assistance that can be provided.