ds18b20 work for ST Nucleo

Dependencies:   mbed DS1820

Revision:
2:ffa66d4cd7cf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DS1820.lib	Wed Dec 02 19:26:14 2020 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/hudakz/code/DS1820/#74d2a4ac7f32