TinkerBee has developed capabilities around Nordic Semiconductor‘s BLE enabled SoCs in nRF51 series.
We’ve played around with the powerful nRF51822 module and used the ARM mbed platform to develop one of our earliest (and may we say- revolutionary) products called EyeBee. Well, more on that soon.
It is an awesome board designed by us, powered by a CR2030 button cell and sized slightly larger than a one rupee coin. It also comes with an Android app that auto-syncs with the device.
PS: If you are a maker and would like to work with us, do check out our AngelList page