diff --git a/uart.hpp b/uart.hpp
index 45c1738..594bc83 100644
--- a/uart.hpp
+++ b/uart.hpp
@@ -107,7 +107,7 @@ class Uart {
 	template <typename T, size_t Base = 10>
 	static inline void txNumber(const T &val)
 	{
-		// static_assert(util::is_integral_v<T>, "Only supported on integral types");
+		static_assert(util::is_integral_v<T>, "Only supported on integral types");
 
 		constexpr size_t numDigits = detail::maxNumDigits<T, Base>();
 		typename Driver::data_t buffer[numDigits];
@@ -175,10 +175,10 @@ class Uart {
 		return *this;
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(unsigned int) const
+	Uart &operator<<(const unsigned int &val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txNumber(val);
+		return *this;
 	}
 
 	template <typename... Ts>
@@ -223,10 +223,10 @@ class Uart {
 		static_assert(util::always_false_v<Ts...>, "Not implemented");
 	}
 
-	template <typename... Ts>
-	Uart &operator<<(bool) const
+	Uart &operator<<(const bool &val)
 	{
-		static_assert(util::always_false_v<Ts...>, "Not implemented");
+		txString(val ? F("true") : F("false"));
+		return *this;
 	}
 
 	template <typename... Ts>