diff --git a/Cargo.toml b/Cargo.toml
index 7341be2..08f3123 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,4 +36,4 @@ version = "0.5.2"
 
 [dependencies.embedded-hal]
 features = ["unproven"]
-version = "0.2.1"
+version = "0.2.3"
diff --git a/src/epd1in54/mod.rs b/src/epd1in54/mod.rs
index e262f08..e66f032 100644
--- a/src/epd1in54/mod.rs
+++ b/src/epd1in54/mod.rs
@@ -41,7 +41,7 @@ const IS_BUSY_LOW: bool = false;
 
 use embedded_hal::{
     blocking::{delay::*, spi::Write},
-    digital::*,
+    digital::v2::*,
 };
 
 use crate::type_a::{
diff --git a/src/epd1in54b/mod.rs b/src/epd1in54b/mod.rs
index 9e9b1cb..75bd987 100644
--- a/src/epd1in54b/mod.rs
+++ b/src/epd1in54b/mod.rs
@@ -2,7 +2,7 @@
 
 use embedded_hal::{
     blocking::{delay::*, spi::Write},
-    digital::*,
+    digital::v2::*,
 };
 
 use crate::interface::DisplayInterface;
diff --git a/src/epd2in9/mod.rs b/src/epd2in9/mod.rs
index 4bb8d5a..2e2665f 100644
--- a/src/epd2in9/mod.rs
+++ b/src/epd2in9/mod.rs
@@ -42,7 +42,7 @@ const IS_BUSY_LOW: bool = false;
 
 use embedded_hal::{
     blocking::{delay::*, spi::Write},
-    digital::*,
+    digital::v2::*,
 };
 
 use crate::type_a::{
diff --git a/src/epd4in2/mod.rs b/src/epd4in2/mod.rs
index 49398a3..f983083 100644
--- a/src/epd4in2/mod.rs
+++ b/src/epd4in2/mod.rs
@@ -48,7 +48,7 @@
 
 use embedded_hal::{
     blocking::{delay::*, spi::Write},
-    digital::*,
+    digital::v2::*,
 };
 
 use crate::interface::DisplayInterface;
diff --git a/src/epd7in5/mod.rs b/src/epd7in5/mod.rs
index 33fe716..42711d8 100644
--- a/src/epd7in5/mod.rs
+++ b/src/epd7in5/mod.rs
@@ -8,7 +8,7 @@
 
 use embedded_hal::{
     blocking::{delay::*, spi::Write},
-    digital::v1::{InputPin, OutputPin},
+    digital::v2::{InputPin, OutputPin},
 };
 
 use crate::color::Color;
diff --git a/src/interface.rs b/src/interface.rs
index 27dec7b..d250f36 100644
--- a/src/interface.rs
+++ b/src/interface.rs
@@ -2,7 +2,7 @@ use crate::traits::Command;
 use core::marker::PhantomData;
 use embedded_hal::{
     blocking::{delay::*, spi::Write},
-    digital::*,
+    digital::v2::*,
 };
 
 /// The Connection Interface of all (?) Waveshare EPD-Devices
@@ -43,7 +43,7 @@ where
     /// Enables direct interaction with the device with the help of [data()](DisplayInterface::data())
     pub(crate) fn cmd<T: Command>(&mut self, spi: &mut SPI, command: T) -> Result<(), SPI::Error> {
         // low for commands
-        self.dc.set_low();
+        let _ = self.dc.set_low();
 
         // Transfer the command over spi
         self.write(spi, &[command.address()])
@@ -54,7 +54,7 @@ where
     /// Enables direct interaction with the device with the help of [command()](EPD4in2::command())
     pub(crate) fn data(&mut self, spi: &mut SPI, data: &[u8]) -> Result<(), SPI::Error> {
         // high for data
-        self.dc.set_high();
+        let _ = self.dc.set_high();
 
         // Transfer data (u8-array) over spi
         self.write(spi, data)
@@ -83,7 +83,7 @@ where
         repetitions: u32,
     ) -> Result<(), SPI::Error> {
         // high for data
-        self.dc.set_high();
+        let _ = self.dc.set_high();
         // Transfer data (u8) over spi
         for _ in 0..repetitions {
             self.write(spi, &[val])?;
@@ -94,7 +94,7 @@ where
     // spi write helper/abstraction function
     fn write(&mut self, spi: &mut SPI, data: &[u8]) -> Result<(), SPI::Error> {
         // activate spi with cs low
-        self.cs.set_low();
+        let _ = self.cs.set_low();
 
         // transfer spi data
         // Be careful!! Linux has a default limit of 4096 bytes per spi transfer
@@ -108,7 +108,7 @@ where
         }
 
         // deativate spi with cs high
-        self.cs.set_high();
+        let _ = self.cs.set_high();
 
         Ok(())
     }
@@ -138,7 +138,7 @@ where
     }
 
     /// Checks if device is still busy
-    ///  
+    ///
     /// This is normally handled by the more complicated commands themselves,
     /// but in the case you send data and commands directly you might need to check
     /// if the device is still busy
@@ -151,7 +151,7 @@ where
     /// Most likely there was a mistake with the 2in9 busy connection
     /// //TODO: use the #cfg feature to make this compile the right way for the certain types
     pub(crate) fn is_busy(&self, is_busy_low: bool) -> bool {
-        (is_busy_low && self.busy.is_low()) || (!is_busy_low && self.busy.is_high())
+        (is_busy_low && self.busy.is_low().unwrap_or(false)) || (!is_busy_low && self.busy.is_high().unwrap_or(false))
     }
 
     /// Resets the device.
@@ -160,10 +160,10 @@ where
     ///
     /// TODO: Takes at least 400ms of delay alone, can it be shortened?
     pub(crate) fn reset<DELAY: DelayMs<u8>>(&mut self, delay: &mut DELAY) {
-        self.rst.set_low();
+        let _ = self.rst.set_low();
         //TODO: why 200ms? (besides being in the arduino version)
         delay.delay_ms(200);
-        self.rst.set_high();
+        let _ = self.rst.set_high();
         //TODO: same as 3 lines above
         delay.delay_ms(200);
     }
diff --git a/src/traits.rs b/src/traits.rs
index 2af6dec..87142dc 100644
--- a/src/traits.rs
+++ b/src/traits.rs
@@ -2,7 +2,7 @@ use crate::color::Color;
 use core::marker::Sized;
 use embedded_hal::{
     blocking::{delay::*, spi::Write},
-    digital::*,
+    digital::v2::*,
 };
 
 /// All commands need to have this trait which gives the address of the command