Hi Ofir,

This is the usual pin-out for an LCD:
1 = +5V or 0V!
2 = 0V or +5V!
3 = contrast, about 800mV via a trimmer
4 = RS (1 for data, <0 for control codes)
5 = R/W (lazy people tie this to ground, but the display can be run faster if you read back the busy status from D7)
6 = E (enable pulse)
7 thru 14 = D0 thru 7

15 & 16 are for the back-light, if it's installed. See previous posts for this one.

Sorry about the pins 1 & 2, but there is no standard!
Also, it's coommon practice to put the connector for a flat cable on the solder side of the LCD, which inverses the odd- & even-numbered pins!

All this keeps us on our toes.

Do your very best to identify the display & find the manufacturers data sheet - it takes time, but reduces the risk of a fire!

Regards,

Richard

PS. Hey Craig, when are we doing an LCD tutorial? This component causes more grief on this forum than any other!