diff --git a/uart.hpp b/uart.hpp
index 5056259..b87d917 100644
--- a/uart.hpp
+++ b/uart.hpp
@@ -153,6 +153,12 @@ class Uart {
 		return *this;
 	}
 
+	Uart &operator<<(const signed char &val)
+	{
+		txNumber(val);
+		return *this;
+	}
+
 	Uart &operator<<(const unsigned char &val)
 	{
 		txNumber(val);
@@ -165,10 +171,10 @@ class Uart {
 		return *this;
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(unsigned short) const
+	Uart &operator<<(unsigned short &val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txNumber(val);
+		return *this;
 	}
 
 	Uart &operator<<(const int &val)
@@ -183,28 +189,28 @@ class Uart {
 		return *this;
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(long) const
+	Uart &operator<<(const long &val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txNumber(val);
+		return *this;
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(unsigned long) const
+	Uart &operator<<(unsigned long &val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txNumber(val);
+		return *this;
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(long long) const
+	Uart &operator<<(long long &val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txNumber(val);
+		return *this;
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(unsigned long long) const
+	Uart &operator<<(unsigned long long &val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txNumber(val);
+		return *this;
 	}
 
 	template <typename... Ts>
@@ -231,10 +237,10 @@ class Uart {
 		return *this;
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(const void *) const
+	Uart &operator<<(const void *val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txNumber(reinterpret_cast<uint16_t>(val));
+		return *this;
 	}
 
 	//////////////////////////////////////////////////////////////////////////