diff --git a/flake.nix b/flake.nix
index c3d773d..2172c9f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,11 +29,13 @@
             gcc-arm-embedded
             openocd
             cargo-generate
+	    rust-analyzer
           ];
 
           shellHook = ''
             echo ">>> EK-TM4C123GXL RTIC DevShell ready."
             rustc --version
+	    echo "openocd -f board/ek-tm4c123gxl.cfg -c "program target/thumbv7em-none-eabihf/debug/scheduler verify reset exit""
           '';
         };
       });
diff --git a/scheduler/.cargo/config.toml b/scheduler/.cargo/config.toml
new file mode 100644
index 0000000..b078fc8
--- /dev/null
+++ b/scheduler/.cargo/config.toml
@@ -0,0 +1,5 @@
+[target.thumbv7em-none-eabihf]
+rustflags = ["-C", "link-arg=-Tlink.x"]
+
+[build]
+target = "thumbv7em-none-eabihf"
diff --git a/scheduler/.gitignore b/scheduler/.gitignore
new file mode 100644
index 0000000..2f7896d
--- /dev/null
+++ b/scheduler/.gitignore
@@ -0,0 +1 @@
+target/
diff --git a/scheduler/Cargo.lock b/scheduler/Cargo.lock
new file mode 100644
index 0000000..e5ef32d
--- /dev/null
+++ b/scheduler/Cargo.lock
@@ -0,0 +1,240 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "bare-metal"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
+dependencies = [
+ "rustc_version 0.2.3",
+]
+
+[[package]]
+name = "bitfield"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
+
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+dependencies = [
+ "rustc_version 0.4.1",
+]
+
+[[package]]
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+version = "0.7.7"
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+dependencies = [
+ "bare-metal",
+ "bitfield",
+ "embedded-hal 0.2.7",
+ "volatile-register",
+]
+
+[[package]]
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+checksum = "801d4dec46b34c299ccf6b036717ae0fce602faa4f4fe816d9013b9a7c9f5ba6"
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+ "cortex-m-rt-macros",
+]
+
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
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+dependencies = [
+ "nb 0.1.3",
+ "void",
+]
+
+[[package]]
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+ "unicode-ident",
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+[[package]]
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+ "proc-macro2",
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+[[package]]
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+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver 0.9.0",
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+[[package]]
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+ "semver 1.0.27",
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+[[package]]
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+version = "0.1.0"
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+ "cortex-m",
+ "cortex-m-rt",
+ "embedded-hal 1.0.0",
+ "panic-halt",
+ "tm4c123x-hal",
+]
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+[[package]]
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+ "semver-parser",
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+dependencies = [
+ "vcell",
+]
diff --git a/scheduler/Cargo.toml b/scheduler/Cargo.toml
new file mode 100644
index 0000000..6705211
--- /dev/null
+++ b/scheduler/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "scheduler"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+cortex-m = "0.7.7"
+cortex-m-rt = "0.7.3"
+embedded-hal = "1.0.0"
+panic-halt = "0.2.0"
+tm4c123x-hal = { version = "0.10.1", features = ["rt"] }
diff --git a/scheduler/memory.x b/scheduler/memory.x
new file mode 100644
index 0000000..c140005
--- /dev/null
+++ b/scheduler/memory.x
@@ -0,0 +1,5 @@
+MEMORY
+{
+  FLASH : ORIGIN = 0x00000000, LENGTH = 256K
+  RAM : ORIGIN = 0x20000000, LENGTH = 32K
+}
diff --git a/scheduler/src/main.rs b/scheduler/src/main.rs
new file mode 100644
index 0000000..c0e02bb
--- /dev/null
+++ b/scheduler/src/main.rs
@@ -0,0 +1,23 @@
+#![no_std]
+#![no_main]
+
+use cortex_m_rt::entry;
+use panic_halt as _;
+use tm4c123x_hal::{Peripherals, prelude::*};
+use tm4c123x_hal::tm4c123x as _;
+use embedded_hal::digital::OutputPin;
+
+#[entry]
+fn main() -> ! {
+    let p = Peripherals::take().unwrap();
+    let mut sc = p.SYSCTL.constrain();
+    let ports = p.GPIO_PORTF.split(&sc.power_control);
+    let mut led = ports.pf1.into_push_pull_output();
+
+    loop {
+        led.set_high();
+        cortex_m::asm::delay(1_000_000); // ~0.5 s @ 16 MHz
+        led.set_low();
+        cortex_m::asm::delay(1_000_000); // ~0.5 s
+    }
+}