Figure 17: Bypassing 240 ohm Resistor
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 or
“EMF”.
Figure 18: Clamping a Relay
3 Displaying Text
This chapter describes the various text-display commands in detail.
Before issuing commands to the
LCD2041 please read sections 6.2 and 6.3
.
Matrix Orbital
LCD2041
12
Содержание LCD2041
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