This sign is activated/lit up when the "road" is pushed down. It is actually a switch. It fits sustainability in that it is only lit when, theoretically, a bike or pedestrian steps on the road. (Will be added for the next iteration of the Sustainable City.)
Template for the sign (use the image above to help guide its construction):
MakeCode for a Basic Switch - https://makecode.com/_X2b5TLDCeLdW
Copper Tape (1/8")
Light Sensor Template - found on LS 4 of https://get.chibitronics.com/light-sensor-print-letter.pdf
Chibi Chip Switch Tutorial
Powering the Chibi Chip:
You can power your Chibi Chip with any 5V USB power supply including: the Love to Code Powered Binder, Computer USB Port, USB Wall Adapter, a USB portable charger.