4 ms·
There are plenty of sensor without batteries, using e.g. light or vibration to get their energy, of which they need very little...
by brohee 9y ago
There are plenty of sensor without batteries, using e.g. light or vibration to get their energy, of which they need very little...
- joezydeco 9y agoYou still need local collection hubs and network infrastructure to get the data out. The cost of the sensor isn't the issue.