diff --git a/platformio.ini b/platformio.ini
index bb8fa86..972848a 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,7 +9,7 @@
 ; http://docs.platformio.org/page/projectconf.html
 
 [platformio]
-env_default = illucat
+env_default = button
 
 [common]
 framework = arduino
@@ -76,4 +76,13 @@ upload_speed = ${common.upload_speed}
 monitor_baud = ${common.monitor_baud}
 framework = ${common.framework}
 lib_deps = ${common.lib_deps}
-    Adafruit NeoPixel
\ No newline at end of file
+    Adafruit NeoPixel
+
+[env:button]
+src_filter = +<*> -<examples/> -<firmware/> +<examples/button/>
+platform = ${common.platform}
+board = ${common.board}
+upload_speed = ${common.upload_speed}
+monitor_baud = ${common.monitor_baud}
+framework = ${common.framework}
+lib_deps = ${common.lib_deps}
\ No newline at end of file
diff --git a/src/examples/button/Button.h b/src/examples/button/Button.h
index a8fa611..f26d90a 100644
--- a/src/examples/button/Button.h
+++ b/src/examples/button/Button.h
@@ -13,25 +13,27 @@ class Button : public Sprocket {
         Task btnTask;
         MeshNet* net;
         int pin;
-        MeshApp(SprocketConfig cfg) : Sprocket(cfg) {}
+        Button(SprocketConfig cfg) : Sprocket(cfg) {}
         Sprocket* activate(Scheduler* scheduler, Network* network) {
-            pinMode(D2, INPUT_PULLUP);
+            pin = D2;
+            pinMode(pin, INPUT_PULLUP);
             net = static_cast<MeshNet*>(network);
-            net->mesh.onReceive(bind(&MeshApp::receivedCallback,this, _1, _2));
-            someTask.set(TASK_MILLISECOND * 50, TASK_FOREVER,
-                bind(&MeshApp::readPin, this, net));
+            net->mesh.onReceive(bind(&Button::receivedCallback,this, _1, _2));
+            btnTask.set(TASK_MILLISECOND * 500, TASK_FOREVER,
+                bind(&Button::readPin, this, net));
             scheduler->addTask(btnTask);
             btnTask.enable();
         } using Sprocket::activate;
 
         void readPin(MeshNet* network){
             if(digitalRead(pin)){
-                network->broadcast("{ \"pressed \": 1 }");
+                Serial.println("btn pressed");
+                network->broadcast("EE1B2E");
             }
         }
 
         void receivedCallback( uint32_t from, String &msg ) {
-            Serial.printf("startHere: Received from %u msg=%s\n", from, msg.c_str());
+            Serial.printf("button: Received from %u msg=%s\n", from, msg.c_str());
             // respond in receive callback can cause an endless loop when all nodes run the same firmware
             //String foo = String("cheerz back to ") + String(from);
             //net->broadcast(foo);
diff --git a/src/examples/button/main.cpp b/src/examples/button/main.cpp
index 655fbbd..061f47f 100644
--- a/src/examples/button/main.cpp
+++ b/src/examples/button/main.cpp
@@ -1,6 +1,6 @@
 #include "config.h"
 #include "MeshNet.h"
-#include "MeshApp.h"
+#include "Button.h"
 
 MeshNet net({
     STATION_MODE, WIFI_CHANNEL,
@@ -8,7 +8,7 @@ MeshNet net({
     STATION_SSID, STATION_PASSWORD, HOSTNAME,
     MESH_DEBUG_TYPES
 });
-MeshApp sprocket({ STARTUP_DELAY, SERIAL_BAUD_RATE });
+Button sprocket({ STARTUP_DELAY, SERIAL_BAUD_RATE });
 
 void setup() {
     sprocket.join(net);