diff --git a/spectacle.yml b/spectacle.yml
index 8d14055..8e955c9 100644
--- a/spectacle.yml
+++ b/spectacle.yml
@@ -1,40 +1,69 @@
-- pattern:
-    type: Fade
-    current_iteration: 0
-    nbr_iterations: 20
-    begin_color:
-        red: 255
-        green: 0
-        blue: 0
-    end_color:
-        red: 0
-        green: 0
-        blue: 255
-  period:
-    secs: 0
-    nanos: 200000000
-- pattern:
-    type: FillRandom
-    color:
-      red: 0
-      green: 0
-      blue: 255
-    stability: 40
-  period:
-    secs: 0
-    nanos: 100000000
-- pattern:
-    type: ColorWipe
-    current_iteration: 0
-    color:
-        red: 0
-        green: 255
-        blue: 0
-    background_color:
-        red: 255
-        green: 0
-        blue: 255
-    infinite: false
-  period:
-    secs: 0
-    nanos: 100000000
+  - name : toto
+    mac_addresses :
+      - C9:81:9C:BA:53:BC
+      - D8:D3:AF:87:70:FA
+    sequence:
+      - pattern:
+          type: Fade
+          current_iteration: 0
+          nbr_iterations: 20
+          begin_color:
+            red: 255
+            green: 0
+            blue: 0
+          end_color:
+            red: 0
+            green: 0
+            blue: 255
+        period:
+          secs: 0
+          nanos: 200000000
+      - pattern:
+          type: ColorWipe
+          max_iteration: 25
+          current_iteration: 0
+          color:
+            red: 0
+            green: 255
+            blue: 0
+          background_color:
+            red: 255
+            green: 0
+            blue: 255
+        period:
+          secs: 0
+          nanos: 100000000
+      - pattern:
+          type: FillRandom
+          color:
+            red: 0
+            green: 0
+            blue: 255
+          stability: 40
+        period:
+          secs: 0
+          nanos: 100000000
+
+  - name: titi
+    sequence:
+      - pattern:
+          type: Fade
+          current_iteration: 0
+          nbr_iterations: 20
+          begin_color:
+            red: 255
+            green: 0
+            blue: 0
+          end_color:
+            red: 0
+            green: 0
+            blue: 255
+        period:
+          secs: 0
+          nanos: 200000000
+      - pattern:
+          type: Rainbow
+          current_iteration: 0
+        period:
+          secs: 0
+          nanos: 100000000
\ No newline at end of file
diff --git a/src/bluetooth.rs b/src/bluetooth.rs
index d6fb4b2..4805f8c 100644
--- a/src/bluetooth.rs
+++ b/src/bluetooth.rs
@@ -39,7 +39,6 @@ pub(crate) async fn bluetooth_scan(
     while let Some(evt) = discover.next().await {
         match evt {
             AdapterEvent::DeviceAdded(addr) => {
-                println!("new device {}", addr);
                 if already_scanned.contains(&addr) {
                     continue;
                 }
@@ -49,7 +48,6 @@ pub(crate) async fn bluetooth_scan(
                     Ok(service_found) => {
                         if service_found {
                             tx.send(device).await.unwrap();
-                            println!("found service in device {}", addr);
                         }
                     }
                     Err(_) => continue,
diff --git a/src/config.rs b/src/config.rs
new file mode 100644
index 0000000..4badadb
--- /dev/null
+++ b/src/config.rs
@@ -0,0 +1,23 @@
+use std::collections::HashSet;
+use std::fs;
+use crate::runner::DeviceSequence;
+use serde_derive::{Deserialize, Serialize};
+
+
+pub(crate) type Config<const N:usize> = Vec<Device<N>>;
+
+#[derive(Deserialize, Serialize)]
+pub struct Device<const N: usize> {
+    pub mac_addresses : Option<HashSet<String>>,
+    name : Option<String>,
+    pub sequence : DeviceSequence<N>,
+}
+
+
+    pub fn load_from_file<const N: usize>(file: &std::path::Path) -> Config<N> {
+
+
+        let file = fs::read_to_string(file).unwrap();
+        let config: Config<N> = serde_yaml::from_str(&*file).unwrap();
+        config
+    }
diff --git a/src/main.rs b/src/main.rs
index 194381d..65fde6f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,14 +2,18 @@ mod bluetooth;
 mod patterns;
 mod runner;
 mod spectacle;
+mod config;
 
-use crate::runner::Runner;
+use std::borrow::BorrowMut;
+use crate::runner::Spectacle;
 use bluer::gatt::remote::Characteristic;
 use patterns::Strip;
 use std::path::Path;
+use std::sync::{Arc, Mutex};
 use std::time::Duration;
 use tokio::sync::mpsc;
-use tokio::sync::watch;
+use tokio::sync::watch::Receiver;
+use crate::config::{Config, load_from_file};
 
 const SERVICE_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0900c33242a893bd25e905756cb8);
 const PIXEL_DATA_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0903c33242a893bd25e905756cb8);
@@ -19,7 +23,9 @@ const BASE_STRIP_DATA: [u8; 3] = [0x00, 0x00, 0x01];
 #[tokio::main(flavor = "current_thread")]
 async fn main() -> bluer::Result<()> {
     let file = Path::new("spectacle.yml");
-    let config: Runner<25> = Runner::load_from_file(file);
+    let config: Config<25> = load_from_file(file);
+    let mut spectacle = Spectacle::from(config);
+    let mut spectacle = Arc::new(Mutex::new(spectacle));
 
     let adapter = bluetooth::create_session().await?;
 
@@ -31,32 +37,49 @@ async fn main() -> bluer::Result<()> {
         SERVICE_UUID,
     ));
 
-    let (tx, rx) = watch::channel(Strip::<STRIP_SIZE>::default());
-
+    let spectacle_channels = spectacle.clone();
     tokio::spawn(async move {
         while let Some(device) = rx_scan.recv().await {
             bluetooth::connect(&device, 3).await?;
             let char = bluetooth::get_char(&device, SERVICE_UUID, PIXEL_DATA_UUID).await?;
             if let Some(char) = char {
-                let mut rx_device = rx.clone();
-                tokio::spawn(async move {
-                    println!("device connected : {}", &device.address());
-                    while rx_device.changed().await.is_ok() {
-                        let strip = *rx_device.borrow();
-                        if write_strip(&strip, &char).await.is_err() {
-                            break;
-                        };
-                    }
-                    println!("device {} disconnected", &device.address());
-                    // drop(rx_device);
-                });
+                let rx : Option<Receiver<Strip<STRIP_SIZE>>>;
+                {
+                    let spectacle_channels = spectacle_channels.lock().unwrap();
+                    rx = spectacle_channels.get_channel(&device.address());
+                }
+                if let Some(mut rx) = rx {
+                    tokio::spawn(async move {
+                        println!("device connected : {}", &device.address());
+                        while rx.changed().await.is_ok() {
+                            let strip = *rx.borrow();
+                            if write_strip(&strip, &char).await.is_err() {
+                                break;
+                            };
+                        }
+                        println!("device {} disconnected", &device.address());
+                        // drop(rx_device);
+                    });
+                }
             }
         }
         bluer::Result::Ok(())
     });
 
     println!("starting");
-    config.runner_loop(tx).await;
+    // runner_loop(config, &tx).await;
+    let futures;
+    {
+        let mut spectacle = spectacle.lock().unwrap();
+        futures = spectacle.run();
+    }
+    let mut joinhandles = vec![];
+    for future in futures {
+        joinhandles.push(tokio::spawn(future));
+    }
+    for joinhandle in joinhandles {
+        joinhandle.await;
+    }
     tokio::time::sleep(Duration::from_secs(5)).await;
     println!("error sending value");
     Ok(())
diff --git a/src/patterns.rs b/src/patterns.rs
index 3afd81e..cf858dd 100644
--- a/src/patterns.rs
+++ b/src/patterns.rs
@@ -3,7 +3,7 @@ use serde_derive::{Deserialize, Serialize};
 use std::fmt;
 use std::ops::{Div, Index, IndexMut, SubAssign};
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 #[serde(tag = "type")]
 pub(crate) enum Patterns<const N: usize> {
     Rainbow(Rainbow<N>),
@@ -29,7 +29,7 @@ impl<const N: usize> Iterator for Patterns<N> {
 
 ///
 /// a struct for an RGB color
-#[derive(Clone, Copy, Debug, Serialize, Deserialize, Default)]
+#[derive(Clone, Copy, Debug, Serialize, Deserialize, Default, Eq, Hash, PartialEq)]
 pub struct PixelColor {
     pub(crate) red: u8,
     pub(crate) green: u8,
@@ -114,7 +114,7 @@ impl<const N: usize> Strip<N> {
 ///
 /// If max iteration is let to None, it's an infinite pattern.
 ///
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 pub struct Rainbow<const N: usize> {
     pub(crate) current_iteration: usize,
     pub(crate) max_iteration: Option<usize>,
@@ -185,7 +185,7 @@ fn wheel(index: u8) -> PixelColor {
 ///
 /// setting max_iteration to None lead the pattern to loop infinitely
 ///
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 pub struct ColorWipe<const N: usize> {
     pub(crate) current_iteration: usize,
     pub(crate) max_iteration: Option<usize>,
@@ -218,7 +218,7 @@ impl<const N: usize> Iterator for ColorWipe<N> {
 
 /// # fade pattern
 /// fade from one color to an other
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 pub struct Fade<const N: usize> {
     pub(crate) current_iteration: usize,
     pub(crate) nbr_iterations: usize,
@@ -274,7 +274,7 @@ impl<const N: usize> Iterator for Fade<N> {
 /// # note
 ///
 /// background_color work only for color not set by scanner pattern
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 pub struct Scanner<const N: usize> {
     pub(crate) current_iteration: usize,
     pub(crate) color: PixelColor,
@@ -312,7 +312,7 @@ impl<const N: usize> Iterator for Scanner<N> {
 /// # FillRandom
 ///
 /// fill strip with color then apply random variation
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 pub struct FillRandom<const N: usize> {
     pub(crate) color: PixelColor,
     pub(crate) stability: usize,
diff --git a/src/runner.rs b/src/runner.rs
index cea0adb..190a2b6 100644
--- a/src/runner.rs
+++ b/src/runner.rs
@@ -1,57 +1,119 @@
+use std::collections::HashMap;
+use std::future::Future;
+use std::str::FromStr;
 use crate::patterns::Patterns;
 use crate::Strip;
 use serde_derive::{Deserialize, Serialize};
-use std::fs;
 use std::time::Duration;
-use tokio::sync::watch::Sender;
+use bluer::Address;
+use tokio::sync::watch::{Receiver, Sender};
+use tokio::task::JoinHandle;
+use crate::config::Config;
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
 pub struct Context<const N: usize> {
     pub(crate) pattern: Patterns<N>,
     pub period: Duration,
 }
 
-impl<const N: usize> IntoIterator for Runner<N> {
-    type Item = Context<N>;
-    type IntoIter = <Vec<Context<N>> as IntoIterator>::IntoIter; // so that you don't have to write std::vec::IntoIter, which nobody remembers anyway
+pub(crate) type DeviceSequence<const N: usize> = Vec<Context<N>>;
 
-    fn into_iter(self) -> Self::IntoIter {
-        self.0.into_iter()
+
+pub async fn runner_loop<const N: usize>(runner: DeviceSequence<N>, tx: Sender<Strip<N>>) {
+    for mut context in runner {
+        let mut strip = context.pattern.next().unwrap();
+        let delay = context.period;
+        println!("{:?}", delay);
+        while tx.send(strip).is_ok() {
+            if let Some(value) = context.pattern.next() {
+                strip = value;
+            } else {
+                break;
+            }
+            tokio::time::sleep(delay).await;
+        }
     }
 }
 
-#[derive(Serialize, Deserialize, Debug)]
-pub(crate) struct Runner<const N: usize>(Vec<Context<N>>);
+#[derive(Default)]
+pub struct Spectacle<const N: usize> {
+    runners: HashMap<DeviceSequence<N>, (Sender<Strip<N>>, Receiver<Strip<N>>)>,
+    channels: HashMap<Address, Receiver<Strip<N>>>,
+    default_runner: Option<(DeviceSequence<N>, Sender<Strip<N>>)>,
+    default_receiver: Option<Receiver<Strip<N>>>,
+}
 
-impl<const N: usize> Runner<N> {
-    pub fn new() -> Runner<N> {
-        let runner = Vec::<Context<N>>::new();
-        Runner(runner)
-    }
 
-    pub fn push(&mut self, value: Context<N>) {
-        self.0.push(value)
-    }
-
-    pub async fn runner_loop(self, tx: Sender<Strip<N>>) {
-        for mut context in self {
-            let mut strip = context.pattern.next().unwrap();
-            let delay = context.period;
-            println!("{:?}", delay);
-            while tx.send(strip).is_ok() {
-                if let Some(value) = context.pattern.next() {
-                    strip = value;
-                } else {
-                    break;
-                }
-                tokio::time::sleep(delay).await;
-            }
+impl<const N: usize> Spectacle<N> {
+    pub fn add(&mut self, mac_address: Address, runner: &DeviceSequence<N>) {
+        if let Some((_, rx)) = self.runners.get(&runner as &DeviceSequence<N>) {
+            self.channels.insert(mac_address, rx.clone());
+        } else {
+            let (tx, rx) = tokio::sync::watch::channel(Strip::<N>::default());
+            self.runners.insert(runner.clone(), (tx, rx.clone()));
+            self.channels.insert(mac_address, rx);
         }
     }
 
-    pub fn load_from_file(file: &std::path::Path) -> Runner<N> {
-        let file = fs::read_to_string(file).unwrap();
-        let spectacle: Runner<N> = serde_yaml::from_str(&*file).unwrap();
+
+    pub fn add_default(&mut self, runner: DeviceSequence<N>) {
+        let (tx, rx) = tokio::sync::watch::channel(Strip::<N>::default());
+        // self.tasks.push(runner.runner_loop(tx));
+        self.default_runner = Some((runner, tx));
+        self.default_receiver = Some(rx);
+    }
+
+    pub fn get_channel(&self, mac_address: &Address) -> Option<Receiver<Strip<N>>> {
+        let channel = self.channels.get(mac_address);
+        match channel {
+            None => {
+                let d  = &self.default_receiver;
+                match d {
+                None => { None}
+                Some(runner) => {
+                    println!("default rx");
+                    Some(runner.clone())}
+            } }
+            Some(channel) => {
+                println!("rx found ");
+                Some(channel.clone()) }
+        }
+    }
+
+    pub fn run(&mut self) -> Vec<impl Future<Output=()>> {
+        let mut joinhandles = vec![];
+
+        if let Some(_) = &self.default_runner {
+            let d = std::mem::take(&mut self.default_runner).unwrap();
+            joinhandles.push(runner_loop(d.0.clone(), d.1));
+            println!("add default runner loop");
+        }
+
+        for (runner, (tx, _)) in self.runners.drain().take(1) {
+            joinhandles.push(runner_loop(runner.clone(), tx));
+            println!("add custom runner loop");
+        }
+        joinhandles
+    }
+}
+
+impl<const N: usize> From<Config<N>> for Spectacle<N> {
+    fn from(config: Config<N>) -> Self {
+        let mut spectacle: Spectacle<N> = Spectacle::default();
+        for device in config {
+            if let Some(mac_addresses) = device.mac_addresses {
+                for mac_address in mac_addresses {
+                    let mac_address = Address::from_str(&*mac_address);
+                    match mac_address {
+                        Ok(address) => { spectacle.add(address, &device.sequence);}
+                        Err(_) => { println!("error reading mac address");}
+                    }
+
+                }
+            } else {
+                spectacle.add_default(device.sequence);
+            }
+        }
         spectacle
     }
 }