diff --git a/Cargo.toml b/Cargo.toml
index 453acf7..fef497b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,14 @@ version = "0.1.0"
 authors = ["Sebastien Bourdeauducq <sb@m-labs.hk>"]
 edition = "2018"
 
+[[bin]]
+name = "simple-dmi"
+path = "src/simple-dmi.rs"
+
+[[bin]]
+name = "wavemeter"
+path = "src/wavemeter.rs"
+
 [dependencies]
 num-traits = "0.2"
 serde = "1.0"
diff --git a/plot.py b/plot.py
index ce3b7e9..bff02ee 100644
--- a/plot.py
+++ b/plot.py
@@ -9,7 +9,7 @@ async def task(mw):
     mw.setCentralWidget(widget)
     mw.show()
 
-    process = await asyncio.create_subprocess_shell("cargo run --release",
+    process = await asyncio.create_subprocess_shell("cargo run --release --bin simple-dmi",
         stdout=asyncio.subprocess.PIPE)
     data = []
     while True:
diff --git a/config.json b/simple-dmi.json
similarity index 100%
rename from config.json
rename to simple-dmi.json
diff --git a/src/main.rs b/src/simple-dmi.rs
similarity index 95%
rename from src/main.rs
rename to src/simple-dmi.rs
index 16080d4..2558ca2 100644
--- a/src/main.rs
+++ b/src/simple-dmi.rs
@@ -31,7 +31,7 @@ fn read_config_from_file<P: AsRef<Path>>(path: P) -> Result<Config, Box<dyn Erro
 }
 
 fn main() {
-    let config = read_config_from_file("config.json").unwrap();
+    let config = read_config_from_file("simple-dmi.json").unwrap();
     let mut refpll = noptica::Dpll::new(
         noptica::Dpll::frequency_to_ftw(config.freq_min, config.sample_rate),
         noptica::Dpll::frequency_to_ftw(config.freq_max, config.sample_rate),
diff --git a/src/wavemeter.rs b/src/wavemeter.rs
new file mode 100644
index 0000000..ad379d6
--- /dev/null
+++ b/src/wavemeter.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("hello world");
+}