We are working on application which will use external sensors , we need someone to do the design and explanation which hardware we should use and why.
10+ sensors , data need to be sent/received from/to/sensors , Ideally on ZigBee solution but any other solution I can consider - is all about the cost of the hardware - must be as low as possible like CC2530 for ZigBee.
All sensors need to be battery powered and communicate with app in android within 20+ metres range.
What we need you to do is to explain what hardware we should use for above project ( ready made modules avaialble on the market).
AS we need approx 1 hour consultancy - we offer approx 20 USD for this task.
14 freelancers are bidding on average $461 for this job
Hi! I can prepare a report on the hardware selection which will be the cheapest, popular and readily available in the market. I couldn't offer my bid for 20 USD as you selected the range higher. Regards Maqsud
I can find out the necessary hardware devices that support zigbee protocol and design the architecture of flow . Captured everything as flow/sequence diagram .