Projects using openHAB - vpjuslin/openhab GitHub Wiki
openHAB is used in many different ways and areas of interest. In the remainder of this page you'll a list of projects (at least this known to use). This list will grow over time and should a good overview of what has been realized with openHAB.
Please help to complete this overview!
MySensors.org - Build your own wireless sensors!
Easy-to-follow build instructions and a helpful forum. Building blocks: Arduino, NRF24L01+ (radio), MySensors Arduino Library. MQTT client for OpenHAB under development.
Uber Home Automation
Full tutorial for Arduino sensors built with RFM69HW wireless transceiver. Provides wireless to MQTT gateway and scheme to integrate with OpenHAB. Several types of sensor sketches are provided: lights, ultrasonic, reed switch, sound, water sensing, presence.