LK202-25-USB Matrix Orbital, LK202-25-USB Datasheet - Page 15
LK202-25-USB
Manufacturer Part Number
LK202-25-USB
Description
LCD Character Display Modules Yel/Grn Background Black Text
Manufacturer
Matrix Orbital
Datasheet
1.LK202-25-USB-WB.pdf
(59 pages)
Specifications of LK202-25-USB
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
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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
11
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