Check the RS ,R/W and En pin | Microcontroller › AVR › lcd interfacing problem › Check the RS ,R/W and En pin February 9, 2012 at 8:54 pm #7132 Syed AameerParticipant Check the RS ,R/W and En pin s. verify that you have entered the correct port pins that you have connected. May be because of intial commands it may also happen lcd_cmd(0x01) lcd_cmd(0x38) lcd_cmd(0x06) lcd_cmd(0x0E) Otherwise the delay of minimum of 2ms is required when Enable is made high to low
