PK202-25 Matrix Orbital, PK202-25 Datasheet - Page 19

• Manufacturer Part Number: PK202-25
• Description: LCD Character Display Modules Black Background Yel/Grn Text
• Manufacturer: Matrix Orbital
• Series: PK202-25r

Specifications of PK202-25

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Background Color: Black
• Backlight Type: LED Yellow / Green
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3 Displaying Text
PK202-25 please read sections 8.2 and 8.3 (‘Issuing Commands’ and ‘On Numbers’).
Matrix Orbital
This chapter describes the various text display commands in detail. Before issuing commands to the
NOTE The GPOs do not have any over current or over / under voltage protection so care
must be taken when using them. For instance if the external device is a relay it must be
fully clamped (using a diode and capacitor) to absorb any generated back electro-motive
force (EMF). Suggestions for clamping a relay:
Figure 18: Bypassing 240 ohm Resistor
Figure 19: Clamping a Relay
PK202-25
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