diff --git a/embedded-examples/stm32h7-rtic/.cargo/def_config.toml b/embedded-examples/stm32h7-rtic/.cargo/def_config.toml
index 9d352da..b229e7f 100644
--- a/embedded-examples/stm32h7-rtic/.cargo/def_config.toml
+++ b/embedded-examples/stm32h7-rtic/.cargo/def_config.toml
@@ -22,3 +22,6 @@ target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
 [alias]
 rb = "run --bin"
 rrb = "run --release --bin"
+
+[env]
+DEFMT_LOG = "info"
\ No newline at end of file
diff --git a/embedded-examples/stm32h7-rtic/Cargo.lock b/embedded-examples/stm32h7-rtic/Cargo.lock
index 757e7f1..eea4a31 100644
--- a/embedded-examples/stm32h7-rtic/Cargo.lock
+++ b/embedded-examples/stm32h7-rtic/Cargo.lock
@@ -294,12 +294,31 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d758ba1b47b00caf47f24925c0074ecb20d6dfcffe7f6d53395c0465674841a"
 
+[[package]]
+name = "hash32"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 
+[[package]]
+name = "heapless"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+dependencies = [
+ "hash32",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.2.6"
@@ -310,6 +329,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "managed"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca88d725a0a943b096803bd34e73a4437208b6077654cc4ecb2947a5f91618d"
+
 [[package]]
 name = "nb"
 version = "0.1.3"
@@ -542,6 +567,7 @@ dependencies = [
  "rtic",
  "rtic-monotonics",
  "satrs",
+ "smoltcp",
  "stm32h7xx-hal",
 ]
 
@@ -566,6 +592,19 @@ version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
+[[package]]
+name = "smoltcp"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a1a996951e50b5971a2c8c0fa05a381480d70a933064245c4a223ddc87ccc97"
+dependencies = [
+ "bitflags",
+ "byteorder",
+ "cfg-if",
+ "heapless",
+ "managed",
+]
+
 [[package]]
 name = "spacepackets"
 version = "0.11.2"
@@ -613,6 +652,7 @@ dependencies = [
  "fugit",
  "nb 1.1.0",
  "paste",
+ "smoltcp",
  "stm32h7",
  "void",
 ]
diff --git a/embedded-examples/stm32h7-rtic/Cargo.toml b/embedded-examples/stm32h7-rtic/Cargo.toml
index 3b5f920..bbd5514 100644
--- a/embedded-examples/stm32h7-rtic/Cargo.toml
+++ b/embedded-examples/stm32h7-rtic/Cargo.toml
@@ -20,8 +20,14 @@ defmt = "0.3"
 defmt-brtt = { version = "0.1", default-features = false, features = ["rtt"] }
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 cortex-m-semihosting = "0.5.0"
-stm32h7xx-hal = { version="0.16", features= ["stm32h743v"] }
+stm32h7xx-hal = { version="0.16", features= ["stm32h743v", "ethernet"] }
 
+[dependencies.smoltcp]
+version = "0.11.0"
+default-features = false
+features = ["medium-ethernet", "proto-ipv4", "socket-raw"]
+
+optional = true
 [dependencies.rtic]
 version = "2"
 features = ["thumbv7-backend"]
@@ -45,7 +51,7 @@ codegen-units = 1
 debug = 2
 debug-assertions = true # <-
 incremental = false
-opt-level = 'z'         # <-
+opt-level = 's'         # <-
 overflow-checks = true  # <-
 
 # cargo test
diff --git a/embedded-examples/stm32h7-rtic/README.md b/embedded-examples/stm32h7-rtic/README.md
index 7da8627..8ed0ac4 100644
--- a/embedded-examples/stm32h7-rtic/README.md
+++ b/embedded-examples/stm32h7-rtic/README.md
@@ -111,3 +111,7 @@ You can configure the blinky frequency using
 
 All these commands will package a PUS telecommand which will be sent to the MCU using the COBS
 format as the packet framing format.
+
+## Resources
+
+- [STM32H743ZI Ethernet link checker example](https://github.com/stm32-rs/stm32h7xx-hal/blob/master/examples/ethernet-nucleo-h743zi2.rs)
diff --git a/embedded-examples/stm32h7-rtic/src/main.rs b/embedded-examples/stm32h7-rtic/src/main.rs
index 1484de7..54236b9 100644
--- a/embedded-examples/stm32h7-rtic/src/main.rs
+++ b/embedded-examples/stm32h7-rtic/src/main.rs
@@ -77,6 +77,7 @@ mod app {
     async fn blink(mut cx: blink::Context) {
         let leds = cx.local.leds;
         loop {
+            defmt::info!("toggling LEDs");
             leds.led0.toggle();
             leds.led1.toggle();
             leds.led2.toggle();