Wirless control of multiple LED sources

Community Projects
1

Hi,

I have an idea of having 3-5 wristbands that have a wireless receiver and LED mounted on them. I can then control these LED’s via a laptop to change colors and other lighting patterns.

I know I can figure out how to make my own PCB’s. But I am unsure of what components to use. I’d like to keep the wrist bands low cost and weight if possible.

I’ve heard of the nRF24L01 as a receiver. I’ve also heard of a data transfer protocol called artnet (used in lighting) I think there are a few others as well. Even if I could just do a simple on/off that would be great for starters.

Also, I don’t want to use xbee as it is too expensive.

If any one has any thoughts on how to do this, or a simpler way. All the thoughts are appreciated.

Thanks!

2

Look into BLE. Cheap, low power modules and I think SF has a breakout already and BLE is supported by Apple so you can control it with an iPhone.

3

lyndon:
Look into BLE. Cheap, low power modules and I think SF has a breakout already and BLE is supported by Apple so you can control it with an iPhone.

My question from that idea though is, range. how far can you control a bluetooth module from? I see class 1 is 100m (but a lot of power needed apparently), but anything after that drops significantly.

4

100m is pretty far already. How much distance do you need?

5

lyndon:
100m is pretty far already. How much distance do you need?

I guess it’s the power drain that’s my main concern. 100m should be ok. How long would it last?

Looking at the sparkfun website, they are also fairly expensive.

6

curtismith04:

lyndon:
How long would it last?

Electronics? Pretty much forever.