LK204-25 Datasheet (Matrix)

LK204-25, User Manual

Data Out Data In Ground +5Vdc Note: Signals are shown as interpreted by the Liquid Crystal Display module.

Power may be provided to the module by pin 9 of the DB9 connector instead of through the 4-pin SIP.

If power is to be applied using the DB9, it must be a regulated 5Vdc supply.

If the user in

www.DataSheet4U.com LK204-25 User Manual Important: Read page 2 before applying power.

Connecting LK204-25 Regular Voltage Power is applied to the white or brown four pin SIP connector as follows: Pin 1: +5Vdc Pin 2: = SCL (I²C clock) Pin 3: = SDA (I²C data) Pin 4: Gnd If the sole data source is via the RS-232, the data input is via the DB9 connector.

Pins 2 and 3 are not used.

Wide Voltage Option (V) www.DataSheet4U.com Power is applied to the white or brown four pin SIP connector as follow