diff --git a/example/Makefile b/example/Makefile
index 91083d4..bb53fe1 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -37,17 +37,20 @@ CCFLAGS := -static -Os \
 	-fvisibility=hidden \
 	-Bsymbolic \
 	-Wl,--exclude-libs,ALL \
-	-fno-ident
+	-fno-ident \
+	-Wall
 	#-fuse-ld=gold \
 	-fno-exceptions
 	#-Wl,--icf=all \
 
 STRIPFLAGS := -s --strip-unneeded -R .comment -R .gnu.version -R .comment -R .note -R .note.gnu.build-id -R .note.ABI-tag
 
-src := $(wildcard *.c)
-programs := $(basename $(src))
+c_src := $(wildcard *.c)
+programs := $(basename $(c_src))
 bins := $(addprefix out/, $(programs))
 unstripped_bins := $(addsuffix _unstripped, $(bins))
+run_programs := $(addprefix run_, $(programs))
+rs_src := $(wildcard ../src/*.rs) ../Cargo.lock
 
 all: $(bins)
 
@@ -56,9 +59,9 @@ clean:
 	rm include/servicepoint.h || true
 	cargo clean
 
-PHONY: all clean analyze-size
+PHONY: all clean sizes $(run_programs)
 
-$(unstripped_bins): out/%_unstripped: %.c $(SERVICEPOINT_HEADER_OUT)/servicepoint.h
+$(unstripped_bins): out/%_unstripped: %.c $(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(RUST_TARGET_DIR)/libservicepoint_binding_c.a
 	mkdir -p out || true
 	${CC} $^ \
 		-I $(SERVICEPOINT_HEADER_OUT) \
@@ -69,14 +72,22 @@ $(unstripped_bins): out/%_unstripped: %.c $(SERVICEPOINT_HEADER_OUT)/servicepoin
 $(bins): out/%: out/%_unstripped
 	strip $(STRIPFLAGS) $^ -o $@
 
-$(SERVICEPOINT_HEADER_OUT)/servicepoint.h: FORCE
+$(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(RUST_TARGET_DIR)/libservicepoint_binding_c.a: $(rs_src)
 	mkdir -p include || true
 	# generate servicepoint header and binary to link against
 	${CARGO} rustc $(CARGOFLAGS) -- $(RUSTFLAGS)
 
-analyze-size: out/example_unstripped
-	nm --print-size --size-sort --reverse-sort --radix=d --demangle out/example_unstripped \
-		| awk '{size=$$2+0; print size "\t" $$4}' \
-		| less
+$(run_programs): run_%: out/% FORCE
+	./$<
+
+sizes: $(bins)
+	ls -lB out
+
+#analyze-size: out/example_unstripped
+#	nm --print-size --size-sort --reverse-sort --radix=d --demangle out/example_unstripped \
+#		| awk '{size=$$2+0; print size "\t" $$4}' \
+#		| less
+
+
 
 FORCE: ;
diff --git a/example/announce.c b/example/announce.c
index 6cf3dc4..d7a55fb 100644
--- a/example/announce.c
+++ b/example/announce.c
@@ -1,4 +1,3 @@
-#include <stdio.h>
 #include "servicepoint.h"
 
 int main(void) {
@@ -8,7 +7,7 @@ int main(void) {
 
     sp_udp_send_command(connection, sp_command_clear());
 
-    CharGrid *grid = sp_char_grid_new(5,2);
+    CharGrid *grid = sp_char_grid_new(5, 2);
     if (grid == NULL)
         return 1;
 
diff --git a/example/brightness_tester.c b/example/brightness_tester.c
new file mode 100644
index 0000000..93e64ce
--- /dev/null
+++ b/example/brightness_tester.c
@@ -0,0 +1,29 @@
+#include "servicepoint.h"
+
+int main(void) {
+    // UdpConnection *connection = sp_udp_open_ipv4(172, 23, 42, 29, 2342);
+    UdpConnection *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
+    if (connection == NULL)
+        return -1;
+
+    Bitmap *all_on = sp_bitmap_new_max_sized();
+    sp_bitmap_fill(all_on, true);
+    TypedCommand *cmd = sp_command_bitmap(0, 0, all_on, COMPRESSION_CODE_UNCOMPRESSED);
+    if (cmd == NULL)
+        return -1;
+
+    sp_udp_send_command(connection, cmd);
+
+    BrightnessGrid *grid = sp_brightness_grid_new(TILE_WIDTH, TILE_HEIGHT);
+
+    ByteSlice slice = sp_brightness_grid_unsafe_data_ref(grid);
+    for (size_t index = 0; index < slice.length; index++) {
+        slice.start[index] = (uint8_t) (index % ((size_t) Brightness_MAX));
+    }
+
+    TypedCommand *command = sp_command_brightness_grid(0, 0, grid);
+    sp_udp_send_command(connection, command);
+
+    sp_udp_free(connection);
+    return 0;
+}
diff --git a/example/random_stuff.c b/example/random_stuff.c
index 9c0ec9e..80c3847 100644
--- a/example/random_stuff.c
+++ b/example/random_stuff.c
@@ -1,4 +1,3 @@
-#include <stdio.h>
 #include "servicepoint.h"
 
 int main(void) {
@@ -8,13 +7,13 @@ int main(void) {
 
     Bitmap *pixels = sp_bitmap_new(PIXEL_WIDTH, PIXEL_HEIGHT);
     if (pixels == NULL)
-      return 1;
+        return 1;
 
     sp_bitmap_fill(pixels, true);
 
     TypedCommand *command = sp_command_bitmap(0, 0, pixels, COMPRESSION_CODE_UNCOMPRESSED);
     if (command == NULL)
-      return 1;
+        return 1;
 
     Packet *packet = sp_packet_from_command(command);
 
diff --git a/flake.nix b/flake.nix
index 1f0ac97..b4f874f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -59,7 +59,6 @@
               gcc
               gnumake
               pkg-config
-
             ];
 
             RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";