3 ms·
Radio waves can be directional. So they were pointed at the road they influenced, not the highway.
by withinboredom 4y ago
Radio waves can be directional. So they were pointed at the road they influenced, not the highway.
- bearmode 4y agoIf embedded in the sign, what if the sign itself is rotated or damaged in some way?
- withinboredom 4y agoOur prototype just screwed onto the sign post and could be aimed that way. We never added it to the prototype, but having an accelerometer added to detect movement and shutting down/calling home would help with damage or vandalism.