From a8a2e47a3f7727696fc9810471dea2ce7dbaff9a Mon Sep 17 00:00:00 2001 From: Ankit Daftery Date: Thu, 3 Jul 2014 13:08:12 +0530 Subject: [PATCH 1/2] Update HelloWorld.ino Adding power connections, just to be thorough --- examples/HelloWorld/HelloWorld.ino | 2 ++ 1 file changed, 2 insertions(+) diff --git a/examples/HelloWorld/HelloWorld.ino b/examples/HelloWorld/HelloWorld.ino index e99957d..eaf0f6f 100644 --- a/examples/HelloWorld/HelloWorld.ino +++ b/examples/HelloWorld/HelloWorld.ino @@ -17,6 +17,8 @@ * LCD D6 pin to digital pin 3 * LCD D7 pin to digital pin 2 * LCD R/W pin to ground + * LCD VSS pin to ground + * LCD VCC pin to 5V * 10K resistor: * ends to +5V and ground * wiper to LCD VO pin (pin 3) From 14bda8dca4f68d24b436ff5c4d67b5fef8834add Mon Sep 17 00:00:00 2001 From: Amulya Kumar Sahoo Date: Wed, 23 Jul 2014 01:17:31 +0530 Subject: [PATCH 2/2] Fix of a spelling mistake --- LiquidCrystal.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/LiquidCrystal.cpp b/LiquidCrystal.cpp index 0653487..d7bd9e4 100644 --- a/LiquidCrystal.cpp +++ b/LiquidCrystal.cpp @@ -96,7 +96,7 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) { // SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION! // according to datasheet, we need at least 40ms after power rises above 2.7V - // before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50 + // before sending commands. Arduino can turn on way before 4.5V so we'll wait 50 delayMicroseconds(50000); // Now we pull both RS and R/W low to begin commands digitalWrite(_rs_pin, LOW);