Sensor beacon advertising iBeacon, Eddystone, temperature and humidity. The temperature/humidity sensor is outside the beacon in a cage (see photo) to allow for a IP66 waterproof rating. Takes two AAA..
Bluetooth LE temperature sensor beacon that logs 15,000 values. Measures -20C to +60C with +-1C accuracy. Configurable log period. Battery lasts 1 year with default settings (60 sec period).Note that ..