Use TM1637 with 4 digits 7 segment LED

Dependencies:   mbed TM1637

Revision:
0:366d0d27531b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TM1637.lib	Mon Mar 21 06:01:22 2022 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/wim/code/TM1637/#f63d87466f55