No, not real birds! [Kyle] works in operations at a web company and needed a way to send alerts to his fellow coworkers, so he modified a flock of Audubon Society plush birds to respond to a Bluetooth beacon.
Using NRF24L01+ Bluetooth Low Energy modules, [Kyle] installed one each in these battery-powered singing birds. The devices are presumably powered off of the battery that comes with the birds, but the use of the BTLE module means the batteries won’t discharge as rapidly.
[Kyle] also built an API that works over HTTP or IRC, which means that the employees in … Read the rest