Matrix Orbital DD-DB1 LCD/VFD Dev Board - Manual (Page 27)

4. General Purpose Output
4.1.General Purpose
Output Off
Dec
Hex
ASCII
254 86
FE 56
V ■
Number
Number
Number
Turns the specified GPO off. Will only affect onboard LEDs if LED enable is jumped.
Number 1 byte, GPO (1-6) to be turned off
4.2.General Purpose
Output On
Dec
Hex
ASCII
254 87
FE 57
W ■
Number
Number
Number
Turns the specified GPO on. Will only affect onboard LEDs if LED enable is jumped.
Number 1 byte, GPO (1-6) to be turned off
4.3.Set Startup
GPO State
Dec
Hex 254 195
FE C3
Number State
Number State
Sets the start up state of the specified GPO. Changes will only be seen on start up.
Number 1 byte, GPO (1-6) to be turned off
State 1 byte, 1 for ON or 0 for OFF
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