Simple Mbed example of sleepy program reading OPT3001 and BME280 sensors

Dependencies:   BME280

Revision:
0:002dbf6aef22
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_opt3001.lib	Thu Aug 16 20:22:45 2018 +0000
@@ -0,0 +1,1 @@
+https://github.com/olegart/mbed_opt3001/#05eefffcdcb07bfd55eea53d5ec184fcd2bfff43