diff --git a/.travis.yml b/.travis.yml
index 90eda11..e613f1c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -93,6 +93,7 @@ before_install:
 install:
   - cargo install cargo-travis || true
   - rustup override set nightly
+  - rustup target add thumbv7m-none-eabi
 
 script:
   - cargo check
@@ -102,6 +103,7 @@ script:
   - cargo doc --all-features --release
   - cd examples/embedded_linux_epd4in2 && cargo check && cd ../../
   - cd examples/embedded_linux_epd1in54 && cargo check && cd ../../
+  - cd examples/stm32f3discovery && cargo check --target thumbv7m-none-eabi && cd ../../
   #- cd ../f3_stm32f30x && cargo build
 
 after_success:
diff --git a/examples/Readme.md b/examples/Readme.md
index e84e70b..e303cf8 100644
--- a/examples/Readme.md
+++ b/examples/Readme.md
@@ -8,4 +8,8 @@ It showcases most of what can be done with the crate.
 
 ### embedded_linux_epd1in54
 
-This example doesn't use the graphics feature of the crate and shows the fast update rate of the 1in54 EPD.
\ No newline at end of file
+This example doesn't use the graphics feature of the crate and shows the fast update rate of the 1in54 EPD.
+
+### stm32f3discovery
+
+Not tested yet! 
\ No newline at end of file
diff --git a/examples/stm32f3discovery/Cargo.toml b/examples/stm32f3discovery/Cargo.toml
index acbfd6e..faa1a10 100644
--- a/examples/stm32f3discovery/Cargo.toml
+++ b/examples/stm32f3discovery/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "STM32F3DISCOVERY-EInk-Example"
+name = "stm32_f3_discovery_eink_example"
 version = "0.1.0"
 authors = ["Christoph Groß <christoph-gross@mailbox.org>"]
 
diff --git a/examples/stm32f3discovery/src/main.rs b/examples/stm32f3discovery/src/main.rs
index d826264..a8a4a72 100644
--- a/examples/stm32f3discovery/src/main.rs
+++ b/examples/stm32f3discovery/src/main.rs
@@ -73,7 +73,7 @@ fn main() -> ! {
     cs.set_high();
 
     // // Configure Busy Input Pin
-    let mut busy = gpioe
+    let busy = gpioe
         .pe4
         .into_floating_input(&mut gpioe.moder, &mut gpioe.pupdr);
    //     .pe4
@@ -132,46 +132,40 @@ fn main() -> ! {
     // // Now the "real" usage of the eink-waveshare-rs crate begins
     let mut epd = EPD1in54::new(spi, cs, busy, dc, rst, delay).unwrap();
 
-    //let mut l3gd20 = L3gd20::new(spi, nss).unwrap();
-
-    //let _m = l3gd20.all().unwrap();
-
-    // when you reach this breakpoint you'll be able to inspect the variable `_m` which contains the
-    // gyroscope and the temperature sensor readings
-    //asm::bkpt();
+    
 
-        // // Clear the full screen
-    // epd.clear_frame();
-    // epd.display_frame();
+    // Clear the full screen
+    epd.clear_frame().unwrap();
+    epd.display_frame().unwrap();
 
-    // // Speeddemo
-    // let small_buffer =  [Color::Black.get_byte_value(), 16 as u8 / 8 * 16 as u8];
-    // let number_of_runs = 100;
-    // for i in 0..number_of_runs {
-    //     let offset = i * 8 % 150;
-    //     epd.update_partial_frame(&small_buffer, 25 + offset, 25 + offset, 16, 16)?;
-    //     epd.display_frame()?;
-    // }
+    // Speeddemo
+    let small_buffer =  [Color::Black.get_byte_value(), 16 as u8 / 8 * 16 as u8];
+    let number_of_runs = 100;
+    for i in 0..number_of_runs {
+        let offset = i * 8 % 150;
+        epd.update_partial_frame(&small_buffer, 25 + offset, 25 + offset, 16, 16).unwrap();
+        epd.display_frame().unwrap();
+    }
 
-    // // Clear the full screen
-    // epd.clear_frame();
-    // epd.display_frame();
+    // Clear the full screen
+    epd.clear_frame().unwrap();
+    epd.display_frame().unwrap();
 
-    // // Draw some squares
-    // let mut small_buffer =  [Color::Black.get_byte_value(), 160 as u8 / 8 * 160 as u8];
-    // epd.update_partial_frame(&small_buffer, 20, 20, 160, 160)?;
+    // Draw some squares
+    let mut small_buffer =  [Color::Black.get_byte_value(), 160 as u8 / 8 * 160 as u8];
+    epd.update_partial_frame(&small_buffer, 20, 20, 160, 160).unwrap();
 
-    // small_buffer =  [Color::White.get_byte_value(), 80 as u8 / 8 * 80 as u8];
-    // epd.update_partial_frame(&small_buffer, 60, 60, 80, 80)?;
+    small_buffer =  [Color::White.get_byte_value(), 80 as u8 / 8 * 80 as u8];
+    epd.update_partial_frame(&small_buffer, 60, 60, 80, 80).unwrap();
 
-    // small_buffer =  [Color::Black.get_byte_value(), 8];
-    // epd.update_partial_frame(&small_buffer, 96, 96, 8, 8)?;
+    small_buffer =  [Color::Black.get_byte_value(), 8];
+    epd.update_partial_frame(&small_buffer, 96, 96, 8, 8).unwrap();
 
-    // // Display updated frame
-    // epd.display_frame()?;
+    // Display updated frame
+    epd.display_frame().unwrap();
 
-    // // Set the EPD to sleep
-    // epd.sleep()?;
+    // Set the EPD to sleep
+    epd.sleep().unwrap();
 
     loop {}
 }