add millisecond countermain

1 files changed, 2 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 6e24335..343d4ec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,8 @@ panic-halt = "0.2.0"
 
 embedded-hal = "0.2"
 nb = "1"
+avr-device = "0.3"
+ufmt = "0.1"
 
 [dependencies.arduino-uno]
 git = "https://github.com/rahix/avr-hal"