diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..84b7d6f
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,8 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+runner = "elf2uf2-rs -d"
+
+[build]
+target = "thumbv6m-none-eabi"        # Cortex-M0 and Cortex-M0+
+
+[env]
+DEFMT_LOG = "debug"