diff --git a/.gitignore b/.gitignore
index 5fae1b3..85114f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .direnv/
 .ccls-cache/
+build/*.bin
diff --git a/Makefile b/Makefile
index af22655..00b0202 100644
--- a/Makefile
+++ b/Makefile
@@ -33,6 +33,9 @@ OBJ_FILES := $(patsubst $(BUILD_DIR)/%.S,$(BUILD_DIR)/%.o,$(ASM_FILES))
 .PHONY: build
 build: builddir preprocess compile assemble $(BUILD_DIR)/$(TARGET).elf
 
+$(BUILD_DIR)/$(TARGET).bin: $(BUILD_DIR)/$(TARGET).elf
+	arm-none-eabi-objcopy -O binary $< $@
+
 $(BUILD_DIR)/$(TARGET).elf: $(OBJ_FILES)
 	$(CC) $(LDFLAGS) $^ -o $@
 
@@ -58,6 +61,10 @@ compile: preprocess $(ASM_FILES)
 .PHONY: assemble
 assemble: compile $(OBJ_FILES)
 
+.PHONY: flash
+flash: $(BUILD_DIR)/$(TARGET).bin
+	st-flash --reset write $< 0x8000000
+
 .PHONY: clean
 clean:
 	rm -rf $(BUILD_DIR)
diff --git a/flake.nix b/flake.nix
index ba34c08..0dc66b9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,6 +23,7 @@
                 packages = [
                   pkgs.gnumake
                   pkgs.gcc-arm-embedded
+                  pkgs.stlink
                 ];
               };
             }