diff --git a/spinnyboy_rust/.cargo/config.toml b/spinnyboy_rust/.cargo/config.toml
index 180027b..9742ea7 100644
--- a/spinnyboy_rust/.cargo/config.toml
+++ b/spinnyboy_rust/.cargo/config.toml
@@ -8,8 +8,6 @@ rustflags = [
   # Required to obtain backtraces (e.g. when using the "esp-backtrace" crate.)
   # NOTE: May negatively impact performance of produced code
   "-C", "force-frame-pointers",
-  #https://defmt.ferrous-systems.com/setup
-  "-C", "link-arg=-Tdefmt.x",
 ]
 
 target = "riscv32imac-unknown-none-elf"
diff --git a/spinnyboy_rust/Cargo.toml b/spinnyboy_rust/Cargo.toml
index 653e6f9..2fc72b8 100644
--- a/spinnyboy_rust/Cargo.toml
+++ b/spinnyboy_rust/Cargo.toml
@@ -17,8 +17,6 @@ esp-bootloader-esp-idf = { version = "0.4.0", features = ["esp32c6"] }
 critical-section = "1.2.0"
 esp-alloc        = "0.9.0"
 rtt-target       = "0.6.2"
-embedded-hal = "1.0.0"
-esp-backtrace = {version = "0.18.1",features = ["esp32c6","defmt"]}
 
 
 [profile.dev]
diff --git a/spinnyboy_rust/shell.nix b/spinnyboy_rust/shell.nix
index c4f8346..8570f2f 100644
--- a/spinnyboy_rust/shell.nix
+++ b/spinnyboy_rust/shell.nix
@@ -1,28 +1,19 @@
-{ pkgs ? import <nixpkgs> {
-    overlays = [
-      (import (builtins.fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz"))
+{ pkgs ? import <nixpkgs> {}}:
+let rust-toolchain = with pkgs; symlinkJoin {
+    name = "rust-toolchain";
+    paths = [
+    probe-rs-tools
+    rustup
+    rustc
+      cargo
+      rustfmt
+      rust-analyzer
+      clippy
+      rustPlatform.rustcSrc
     ];
-  }
-}:
-
-let
-  # Define the specific toolchain with ESP32-C6 support
-  rustToolchain = pkgs.rust-bin.selectLatestNightlyWith(toolchain: toolchain.default.override {
-    targets = [ "riscv32imac-unknown-none-elf" ];
-    extensions = [ "rust-src" "llvm-tools-preview" ];
-  });
-in
-pkgs.mkShell {
-  nativeBuildInputs = [
-    rustToolchain
-    pkgs.probe-rs-tools
-    pkgs.espflash      # For flashing your ESP32-C6
-    pkgs.pkg-config
-    pkgs.gcc           # Critical: provides the 'cc' wrapper script
-  ];
-
-  # Injects necessary library paths for the Nix-wrapped linker
-  shellHook = ''
-    export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath [ pkgs.stdenv.cc.cc ]}"
-  '';
+  };
+in pkgs.mkShell {
+  buildInputs = [rust-toolchain];
+  RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
+  RUST_BACKTRACE = 1;
 }
diff --git a/spinnyboy_rust/src/bin/main.rs b/spinnyboy_rust/src/bin/main.rs
index 9ec1140..0aec8dd 100644
--- a/spinnyboy_rust/src/bin/main.rs
+++ b/spinnyboy_rust/src/bin/main.rs
@@ -23,7 +23,7 @@ use esp_hal::handler;
 use core::cell::RefCell;
 use esp_hal::time::{Duration, Instant};
 use esp_hal::timer::timg::TimerGroup;
-use esp_backtrace as _;
+
 use critical_section::Mutex;
 use rtt_target::rprintln;
 mod dc_driver;
@@ -38,10 +38,7 @@ fn panic(_: &core::panic::PanicInfo) -> ! {
 //
 static EMERGENCY_BUTTON: Mutex<RefCell<Option<Input>>> = Mutex::new(RefCell::new(None));
 extern crate alloc;
-//target RPM
-const DEFAULT_TARGET_RPM: u32 = 1000;
-//in seconds
-const DEFAULT_SPIN_TIME:u32 = 10;
+
 // This creates a default app-descriptor required by the esp-idf bootloader.
 // For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
 esp_bootloader_esp_idf::esp_app_desc!();
@@ -101,6 +98,12 @@ fn main() -> ! {
     .unwrap()
     .with_rx(peripherals.GPIO5)
     .with_tx(peripherals.GPIO7);
+    // uart0.write(b"page page0");
+    // uart0.write(b"\xff");
+    // uart0.write(b"\xff");
+    // uart0.write(b"\xff");
+    // uart0.write(b"\xff");
+    // rprintln!("WRITE HAPPENED!");
     let mut display = Nextion::new(&mut uart0);
     display.send_command(b"page page0");
     loop {