diff --git a/include/wlib/mem/Construct.h b/include/wlib/mem/Construct.h
index c1b4fd5..c6668d0 100644
--- a/include/wlib/mem/Construct.h
+++ b/include/wlib/mem/Construct.h
@@ -4,6 +4,7 @@
 #include <wlib/utility>
 #include <wlib/type_traits>
 #include <wlib/mem/Detail.h>
+#include <wlib/mem/New.h>
 
 namespace wlp {
     template<typename T, typename... Args>
diff --git a/include/wlib/mem/New.h b/include/wlib/mem/New.h
new file mode 100644
index 0000000..9b2bc2f
--- /dev/null
+++ b/include/wlib/mem/New.h
@@ -0,0 +1,37 @@
+#if defined(WIO_PLATFORM_AVR) && defined(WIO_FRAMEWORK_ARDUINO)
+
+#include <new.h>
+
+void* operator new(decltype(sizeof(0)), void* ptr) noexcept {
+    return ptr;
+}
+
+#elif defined(WIO_PLATFORM_NATIVE)
+
+#include <new>
+
+#else
+
+#include <stdlib.h>
+
+void *operator new(decltype(sizeof(0)) n) noexcept(false) {
+    return malloc(n);
+}
+
+void *operator new(decltype(sizeof(0)), void *ptr) noexcept {
+    return ptr;
+}
+
+void operator delete(void *ptr) throw() {
+    free(ptr);
+}
+
+void *operator new[](decltype(sizeof(0)) n) noexcept(false) {
+    return malloc(n);
+}
+
+void operator delete[](void *ptr) throw() {
+    free(ptr);
+}
+
+#endif
diff --git a/tests/arduino/debug.cpp b/tests/arduino/debug.cpp
new file mode 100644
index 0000000..c1bcdf8
--- /dev/null
+++ b/tests/arduino/debug.cpp
@@ -0,0 +1,23 @@
+#include <Arduino.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+static constexpr int BUFFER_SIZE = 64;
+
+static char buffer[BUFFER_SIZE];
+static int wrt;
+
+extern int sprintf(char *str, const char *fmt, ...);
+extern int vsprintf(char *str, const char *fmt, va_list);
+
+void tlsf_printf(const char *fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    wrt = vsprintf(buffer, fmt, args);
+    Serial.write(buffer, wrt);
+    va_end(args);
+}
+
+void tlsf_assert(bool expr, const char *msg) {
+    if (!expr) { Serial.write(msg, strlen(msg)); }
+}
diff --git a/tests/arduino/main.cpp b/tests/arduino/main.cpp
new file mode 100644
index 0000000..0fa93ef
--- /dev/null
+++ b/tests/arduino/main.cpp
@@ -0,0 +1,53 @@
+#include <Arduino.h>
+
+#include <wlib/memory>
+
+#define printf(...) tlsf_printf(__VA_ARGS__)
+
+static constexpr int BAUD_RATE = 9600;
+
+extern void tlsf_printf(const char *fmt, ...);
+
+static char string0[] = "zero";
+static char string1[] = "first";
+static char string2[] = "second";
+static char string3[] = "third";
+
+static char *strings[] = {string0, string1, string2, string3};
+
+static constexpr int POOL_SIZE = 1024;
+static char memory[POOL_SIZE];
+
+static int dest = 0;
+
+using namespace wlp;
+
+struct item {
+    int integer;
+    float floating;
+    const char *string;
+
+    item() : integer(0), floating(0), string(string0) {}
+    item(int i, float f, const char *s) : integer(i), floating(f), string(s) {}
+    ~item() { ++dest; }
+};
+
+void setup() {
+    Serial.begin(BAUD_RATE);
+    printf("Hello %i\n", 55);
+
+    if (mem::init(memory, POOL_SIZE)) 
+    { tlsf_printf("Memory initialized\n"); } 
+    else { tlsf_printf("Failed to initialize memory\n"); }
+}
+
+void loop() {
+    tlsf_printf("Element test: ");
+    item *p_item = create<item>(dest, 12.3f, strings[((int) abs(dest)) % 4]);
+    tlsf_printf("%i, %i, %s\n", p_item->integer, (int) p_item->floating, p_item->string);
+    destroy<item>(p_item);
+
+    item *p_arr_item = create<item[]>(16);
+    destroy<item[]>(p_arr_item);
+    delay(50);
+}
diff --git a/tests/debug.cpp b/tests/cosa/debug.cpp
similarity index 100%
rename from tests/debug.cpp
rename to tests/cosa/debug.cpp
diff --git a/tests/main.cpp b/tests/cosa/main.cpp
similarity index 100%
rename from tests/main.cpp
rename to tests/cosa/main.cpp
diff --git a/native-tests/main.cpp b/tests/native/main.cpp
similarity index 100%
rename from native-tests/main.cpp
rename to tests/native/main.cpp
diff --git a/wio.yml b/wio.yml
index 05f38fc..c3ce54d 100755
--- a/wio.yml
+++ b/wio.yml
@@ -2,7 +2,7 @@ type: pkg
 
 project:
   name: wlib-memory
-  version: 1.0.4
+  version: 1.0.5
   organization: Waterloop
   description: Memory create, destroy, and allocators for WLib
   license: MIT
@@ -14,21 +14,37 @@ project:
   - waterloop
   - memory
   - allocator
-  definitions:
-      required:
-        private:
-        - WLIB_TLSF_ARCH
-        - WLIB_TLSF_LOG2_DIV
-        - WLIB_TLSF_LOG2_ALIGN
-        - WLIB_TLSF_LOG2_MAX
   compile_options:
-    wio_version: 0.4.1
+    wio_version: 0.6.0
     header_only: true
-    default_target: tests
+    default_target: cosa-tests
+  definitions:
+    required:
+      private:
+      - WLIB_TLSF_ARCH
+      - WLIB_TLSF_LOG2_DIV
+      - WLIB_TLSF_LOG2_ALIGN
+      - WLIB_TLSF_LOG2_MAX
+    optional:
+      private:
+      - WLIB_TLSF_PRINTF
+      - WLIB_TLSF_ASSERT
 
 targets:
-  tests:
-    src: tests
+  arduino-tests:
+    src: tests/arduino
+    platform: avr
+    framework: arduino
+    board: uno
+    definitions:
+      package:
+      - WLIB_TLSF_ARCH=16
+      - WLIB_TLSF_LOG2_DIV=3
+      - WLIB_TLSF_LOG2_ALIGN=1
+      - WLIB_TLSF_LOG2_MAX=11
+      - WLIB_TLSF_PRINTF
+  cosa-tests:
+    src: tests/cosa
     platform: avr
     framework: cosa
     board: mega2560
@@ -39,7 +55,7 @@ targets:
       - WLIB_TLSF_LOG2_ALIGN=1
       - WLIB_TLSF_LOG2_MAX=11
   native-tests:
-    src: native-tests
+    src: tests/native
     platform: native
     definitions:
       package:
@@ -50,12 +66,14 @@ targets:
 
 dependencies:
   wlib-malloc:
-    version: 1.0.4
+    version: 1.0.5
     definitions:
     - $(WLIB_TLSF_ARCH)
     - $(WLIB_TLSF_LOG2_DIV)
     - $(WLIB_TLSF_LOG2_ALIGN)
     - $(WLIB_TLSF_LOG2_MAX)
+    - $optional(WLIB_TLSF_PRINTF)
+    - $optional(WLIB_TLSF_ASSERT)
   wlib-tmp:
     version: 1.0.2