DIY Wireless Weather Station (Arduino Based)
$2 for 10PCBs & Free 24H Expedited(5pcs): https://jlcpcb.com
LCPCB upgrade their factory to realize that 5pcs common 2-layer PCBs can be produced in 24 hours, without any expedited fee.
For other quantity prototype, become faster than before but keep price as low as before.
DIY guide :
http://www.ardumotive.com/arduino-wir...
https://www.instructables.com/id/Ardu...