diff --git a/Cargo.toml b/Cargo.toml
index 8e7da53..43c8444 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,11 +9,10 @@ repository = "https://git.kapelle.org/niklas/as7265x-rust"
 homepage = "https://git.kapelle.org/niklas/as7265x-rust"
 
 [dependencies]
-embedded-hal = "1.0.0"
-maybe-async = { version = "0.2.10", features=["is_sync"]}
+embedded-hal = { version = "1.0.0", optional = true }
+maybe-async = { version = "0.2.10" }
 
-embedded-hal-async = { version = "1.0.0", optional = true }
+embedded-hal-async = { version = "1.0.0" }
 
 [features]
-async = [ "embedded-hal-async" ]
-
+sync = ["embedded-hal", "maybe-async/is_sync"]
diff --git a/examples/esp32c6-async/Cargo.lock b/examples/esp32c6-async/Cargo.lock
index fda0a2b..fe508ed 100644
--- a/examples/esp32c6-async/Cargo.lock
+++ b/examples/esp32c6-async/Cargo.lock
@@ -6,7 +6,6 @@ version = 4
 name = "as7265x"
 version = "0.1.0"
 dependencies = [
- "embedded-hal 1.0.0",
  "embedded-hal-async",
  "maybe-async",
 ]
diff --git a/examples/esp32c6-async/Cargo.toml b/examples/esp32c6-async/Cargo.toml
index 9d27bbf..6c53e6e 100644
--- a/examples/esp32c6-async/Cargo.toml
+++ b/examples/esp32c6-async/Cargo.toml
@@ -1,8 +1,8 @@
 [package]
-edition      = "2024"
-name         = "esp32c6-async"
+edition = "2024"
+name = "esp32c6-async"
 rust-version = "1.88"
-version      = "0.1.0"
+version = "0.1.0"
 
 [[bin]]
 name = "esp32c6-async"
@@ -16,12 +16,12 @@ esp-rtos = { version = "0.2.0", features = ["embassy", "esp32c6"] }
 esp-bootloader-esp-idf = { version = "0.4.0", features = ["esp32c6"] }
 
 embassy-executor = { version = "0.9.1", features = [] }
-embassy-time     = "0.5.0"
+embassy-time = "0.5.0"
 
 critical-section = "1.2.0"
-static_cell      = "2.1.1"
+static_cell = "2.1.1"
 
-as7265x = { path = "../..", features = ["async"] }
+as7265x = { path = "../.." }
 esp-println = { version = "0.16.1", features = ["esp32c6"] }
 
 [profile.dev]
@@ -30,10 +30,10 @@ esp-println = { version = "0.16.1", features = ["esp32c6"] }
 opt-level = "s"
 
 [profile.release]
-codegen-units    = 1     # LLVM can perform better optimizations using a single thread
-debug            = 2
+codegen-units = 1        # LLVM can perform better optimizations using a single thread
+debug = 2
 debug-assertions = false
-incremental      = false
-lto              = 'fat'
-opt-level        = 's'
-overflow-checks  = false
+incremental = false
+lto = 'fat'
+opt-level = 's'
+overflow-checks = false
diff --git a/examples/esp32c6-sync/Cargo.lock b/examples/esp32c6-sync/Cargo.lock
index 8fe7ac9..e37a0c4 100644
--- a/examples/esp32c6-sync/Cargo.lock
+++ b/examples/esp32c6-sync/Cargo.lock
@@ -7,6 +7,7 @@ name = "as7265x"
 version = "0.1.0"
 dependencies = [
  "embedded-hal 1.0.0",
+ "embedded-hal-async",
  "maybe-async",
 ]
 
diff --git a/examples/esp32c6-sync/Cargo.toml b/examples/esp32c6-sync/Cargo.toml
index 9c18b31..0cbc221 100644
--- a/examples/esp32c6-sync/Cargo.toml
+++ b/examples/esp32c6-sync/Cargo.toml
@@ -1,21 +1,21 @@
 [package]
-edition      = "2024"
-name         = "esp32c6-sync"
+edition = "2024"
+name = "esp32c6-sync"
 rust-version = "1.88"
-version      = "0.1.0"
+version = "0.1.0"
 
 [[bin]]
 name = "esp32c6-sync"
 path = "./src/bin/main.rs"
 
 [dependencies]
-esp-hal = { version = "1.0.0", features = ["esp32c6","unstable"] }
+esp-hal = { version = "1.0.0", features = ["esp32c6", "unstable"] }
 
 esp-bootloader-esp-idf = { version = "0.4.0", features = ["esp32c6"] }
 
 critical-section = "1.2.0"
 
-as7265x = { path="../.." }
+as7265x = { path = "../..", features = ["sync"] }
 esp-println = { version = "0.16.1", features = ["esp32c6"] }
 
 
@@ -25,10 +25,10 @@ esp-println = { version = "0.16.1", features = ["esp32c6"] }
 opt-level = "s"
 
 [profile.release]
-codegen-units    = 1     # LLVM can perform better optimizations using a single thread
-debug            = 2
+codegen-units = 1        # LLVM can perform better optimizations using a single thread
+debug = 2
 debug-assertions = false
-incremental      = false
-lto              = 'fat'
-opt-level        = 's'
-overflow-checks  = false
+incremental = false
+lto = 'fat'
+opt-level = 's'
+overflow-checks = false
diff --git a/src/lib.rs b/src/lib.rs
index 83bad69..11888dd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,12 +1,12 @@
 #![no_std]
 
-#[cfg(not(feature = "async"))]
+#[cfg(feature = "sync")]
 use embedded_hal::{
     delay::DelayNs,
     i2c::{self},
 };
 
-#[cfg(feature = "async")]
+#[cfg(not(feature = "sync"))]
 use embedded_hal_async::{
     delay::DelayNs,
     i2c::{self},