Smallest Wireless Connectivity Device

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brewmaster
 
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Smallest Wireless Connectivity Device

Post by brewmaster »

I want to establish some basic wireless connectivity with the Flora or possibly the Gemma if I can. What would be the smallest device that can establish some very basic data communications with these wearables? And how can I learn more about how to program them to communicate? Thank you in advance for help, this is my first project. I have software development background but I'm an adabeginner.

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Re: Smallest Wireless Connectivity Device

Post by adafruit_support_rick »

What do you want to connect them to? Each other or to a phone/computer? What kind of phone?
Connecting to a phone or computer is easy. Connecting to each other, not so much.

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Re: Smallest Wireless Connectivity Device

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I need this to be small because I want to make an Rx pill reminder and I want the pillbox to confirm back to the phone that the pill was physically taken.

I want to send a response from Flora (or Gemma) to a smart phone; also I want the smart phone to occasionally send commands to the pillbox.

So hardly any data is being sent, I mainly want a really small footprint with durability; and secondarily I'd like as much transmission distance as possible so that the phone can communicate with the pillbox even if it's in the next room.

The pillbox needs to be wearable in a pocket and so size and durability are important here.

I've not worked with the wearables before and could use some recommendations on the communications and then pointing me to information to read on how to program it, what capabilities it has. Thanks, I appreciate the response.

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Re: Smallest Wireless Connectivity Device

Post by adafruit_support_bill »

I'd suggest the NRF8001 - low-energy Bluetooth module: https://www.adafruit.com/product/1697

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Re: Smallest Wireless Connectivity Device

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adafruit_support_bill wrote:I'd suggest the NRF8001 - low-energy Bluetooth module: https://www.adafruit.com/product/1697
Thanks. I'm adding that to my items to purchase.

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Re: Smallest Wireless Connectivity Device

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adafruit_support_bill wrote:I'd suggest the NRF8001 - low-energy Bluetooth module: https://www.adafruit.com/product/1697
Bill, where do I learn how to program the Flora and Gemma? And I to confirm, can the Gemma communicate with the NRF8001 bluetooth board?

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Re: Smallest Wireless Connectivity Device

Post by adafruit_support_bill »

Both processors are Arduino derivatives, so much of general Arduino programming applies to both boards.

The Gemma is quite a but smaller so it has less memory and fewer pins, timers etc. compared to a full-size Arduino. This means that some libraries cannot be supported. Looking at the NRF8001, I don't think the Gemma has the resources to run it.

The Flora processor is the same as an Arduino Leonardo, so most of what pertains to the Leonardo would apply to the Flora as well. To keep it compact, the Flora has a few less pins brought out.

https://learn.adafruit.com/introducing-gemma
https://learn.adafruit.com/getting-started-with-flora
https://learn.adafruit.com/search?q=arduino+lesson
https://learn.adafruit.com/getting-star ... e-breakout

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