EMKA
The EMKA electronically controlled locking system allows access to switch cabinets of any kind and comprises the functions of monitoring, control and communication. For example, it provides the electronic control of mechanically locked cabinets, it sends messages and activates control functions. Applications include complex system networking and allows extension to as many as 512 locks and the processing signals from 256 sensors.
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Nanogenerator consumes CO2 to generate electricity
Whoopee, they've solved how to keep a light on but not a lot else.