LK202-25-USB-GW Matrix Orbital, LK202-25-USB-GW Datasheet - Page 15

• Manufacturer Part Number: LK202-25-USB-GW
• Description: LCD Character Display Modules White Background Blue Text
• Manufacturer: Matrix Orbital
• Series: LK202-25r

Specifications of LK202-25-USB-GW

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Fluid Type: STN
• Voltage Rating: 5 V
• Operating Temperature Range: 0 C to + 50 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2.7 Dallas 1-Wire Bridge
bridge, to allow for an aditional thirty two 1-wire devices to be connected to the display.
2.8 Protocol Select Jumpers
display module between USB power and external power. As a default, the jumpers are set to USB mode
with solder jumps on the USB jumpers. In order to place the display module in external power mode you
must first remove the leftmost solder jump from the USB jumpers, as shown in figure 15. The display cannot
be used in RS232, TTL, or I2C mode.
Matrix Orbital
In addition to the six general purpose outputs the LK202-25-USB offers a standard Dallas One-Wire
The Protocol Select Jumpers, pictured below in
NOTE This component is optional and must be custom ordered
WARNING If connecting a relay, be sure that it is fully clamped using
a diode and capacitor in order to absorb any electro-motive force (EMF)
which will be generated.
Figure 14: Dallas 1-Wire Bridge
LK202-25-USB
figure 15
, provide the means necessary to toggle the
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