diff --git a/embassy-embedded-hal/src/flash/partition/mod.rs b/embassy-embedded-hal/src/flash/partition/mod.rs
index a12e49ce1..42c8a308d 100644
--- a/embassy-embedded-hal/src/flash/partition/mod.rs
+++ b/embassy-embedded-hal/src/flash/partition/mod.rs
@@ -11,7 +11,7 @@ pub use asynch::Partition;
 pub use blocking::BlockingPartition;
 
 /// Partition error
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error<T> {
     /// The requested flash area is outside the partition
diff --git a/embassy-rp/src/i2c.rs b/embassy-rp/src/i2c.rs
index c358682c5..77777ad30 100644
--- a/embassy-rp/src/i2c.rs
+++ b/embassy-rp/src/i2c.rs
@@ -12,7 +12,7 @@ use crate::interrupt::typelevel::{Binding, Interrupt};
 use crate::{interrupt, pac, peripherals, Peripheral};
 
 /// I2C error abort reason
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum AbortReason {
     /// A bus operation was not acknowledged, e.g. due to the addressed device
@@ -27,7 +27,7 @@ pub enum AbortReason {
 }
 
 /// I2C error
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error {
     /// I2C abort with error
diff --git a/embassy-rp/src/i2c_slave.rs b/embassy-rp/src/i2c_slave.rs
index 6136d69c6..30e789259 100644
--- a/embassy-rp/src/i2c_slave.rs
+++ b/embassy-rp/src/i2c_slave.rs
@@ -10,7 +10,7 @@ use crate::interrupt::typelevel::{Binding, Interrupt};
 use crate::{pac, Peripheral};
 
 /// I2C error
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 #[non_exhaustive]
 pub enum Error {
diff --git a/embassy-stm32/src/dac/mod.rs b/embassy-stm32/src/dac/mod.rs
index 976aa3eea..36f6612b2 100644
--- a/embassy-stm32/src/dac/mod.rs
+++ b/embassy-stm32/src/dac/mod.rs
@@ -11,7 +11,7 @@ use crate::{peripherals, Peripheral};
 
 #[derive(Debug, Copy, Clone, Eq, PartialEq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-/// Curstom Errors
+/// Custom Errors
 pub enum Error {
     UnconfiguredChannel,
     InvalidValue,
diff --git a/embassy-stm32/src/i2c/mod.rs b/embassy-stm32/src/i2c/mod.rs
index b35678ed9..62d13e909 100644
--- a/embassy-stm32/src/i2c/mod.rs
+++ b/embassy-stm32/src/i2c/mod.rs
@@ -14,7 +14,7 @@ pub use timeout::*;
 
 use crate::peripherals;
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error {
     Bus,
diff --git a/embassy-stm32/src/rng.rs b/embassy-stm32/src/rng.rs
index 5080cf033..2d7ffc620 100644
--- a/embassy-stm32/src/rng.rs
+++ b/embassy-stm32/src/rng.rs
@@ -13,6 +13,7 @@ use crate::{interrupt, pac, peripherals, Peripheral};
 
 static RNG_WAKER: AtomicWaker = AtomicWaker::new();
 
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error {
     SeedError,
diff --git a/embassy-stm32/src/sai/mod.rs b/embassy-stm32/src/sai/mod.rs
index 5eecb637b..4c3604e50 100644
--- a/embassy-stm32/src/sai/mod.rs
+++ b/embassy-stm32/src/sai/mod.rs
@@ -11,7 +11,7 @@ use crate::pac::sai::{vals, Sai as Regs};
 use crate::rcc::RccPeripheral;
 use crate::{peripherals, Peripheral};
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error {
     NotATransmitter,
diff --git a/embassy-stm32/src/spi/mod.rs b/embassy-stm32/src/spi/mod.rs
index 14333ba26..bd70342c1 100644
--- a/embassy-stm32/src/spi/mod.rs
+++ b/embassy-stm32/src/spi/mod.rs
@@ -15,7 +15,7 @@ use crate::rcc::RccPeripheral;
 use crate::time::Hertz;
 use crate::{peripherals, Peripheral};
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error {
     Framing,
diff --git a/examples/stm32h7/src/bin/camera.rs b/examples/stm32h7/src/bin/camera.rs
index 0ea8b4498..64ca65a02 100644
--- a/examples/stm32h7/src/bin/camera.rs
+++ b/examples/stm32h7/src/bin/camera.rs
@@ -184,7 +184,7 @@ mod ov7725 {
 
     const CAM_ADDR: u8 = 0x21;
 
-    #[derive(Format)]
+    #[derive(Format, PartialEq, Eq)]
     pub enum Error<I2cError: Format> {
         I2c(I2cError),
     }
diff --git a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
index 287521582..ba4a9d230 100644
--- a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
+++ b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
@@ -366,7 +366,7 @@ pub struct ADT7422<'d, BUS: I2cBus> {
     bus: BUS,
 }
 
-#[derive(Debug, Format)]
+#[derive(Debug, Format, PartialEq, Eq)]
 pub enum Error<I2cError: Format> {
     I2c(I2cError),
     Address,