I have a couple of suggestions you might find useful:
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I have used @ogiewon Hubduino and it worked great !
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I found the Haas Thingshield replacement and it offered an easy way to communicate with the hub via Zigbee. (look here)
What you see is on the link is:
The green board is a TI cc2530 Zigbee device, mounted on a board with built in antenna. Purchased on ebay for about $6.
The purple board is my version of a kinda universal carrier board. It has 3.3V regulator, filtering for the analog inputs etc.
The green TI board used the Haas firmware which implements analog and digital inputs and digital outputs. It is not modifiable, but very useful.
- I have since found another resource at PTVO. Here the author provides the ability to generate cc2530 firmware variations with a number of capabilities.
So far I've tested the BME280 sensor and digital inputs. I'm currently working on digital outputs. It uses the same green board mentioned above, purchased on eBay.
The purple board is my own design. I purchased them from OSHPark pcb for about $15 for 3 boards. If anyone is interested I will make the design public so anyone can purchase them from OSHPark.
I can also supply the Schematic, BOM and board layout. All required to make the board useful.
