diff --git a/.cargo/config b/.cargo/config
new file mode 100644
index 0000000..5d10902
--- /dev/null
+++ b/.cargo/config
@@ -0,0 +1,2 @@
+[build]
+target = "thumbv7em-none-eabihf"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..39d1ac5
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,6 @@
+[toolchain]
+channel = "nightly"
+components = [ "rust-analyzer-preview" ]
+targets = [ "thumbv7em-none-eabihf" ]
+profile = "minimal"
+