diff --git a/src/LiquidCrystal.cpp b/src/LiquidCrystal.cpp
index 67bd06d4..004a73be 100644
--- a/src/LiquidCrystal.cpp
+++ b/src/LiquidCrystal.cpp
@@ -302,11 +302,11 @@ void LiquidCrystal::send(uint8_t value, uint8_t mode) {
 
 void LiquidCrystal::pulseEnable(void) {
   digitalWrite(_enable_pin, LOW);
-  delayMicroseconds(1);    
+  delayMicroseconds(5);    
   digitalWrite(_enable_pin, HIGH);
-  delayMicroseconds(1);    // enable pulse must be >450 ns
+  delayMicroseconds(5);    // enable pulse must be >450ns
   digitalWrite(_enable_pin, LOW);
-  delayMicroseconds(100);   // commands need >37 us to settle
+  delayMicroseconds(90);   // commands need > 37us to settle
 }
 
 void LiquidCrystal::write4bits(uint8_t value) {