Matrix-orbital PK202-24-USB Manual de usuario Pagina 15

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2.2.3 GPO 4, GPO 5, and GPO 6
Figure 10: General Purpose Outputs
GPO’s 4, 5, and 6 are low power ouputs providing +5V at 20mA, enforced by current limiting resistors.
They are ideal for driving LEDs and relays directly.
2.2.4 Dallas 1-Wire Bridge
The display offers one Dallas 1-wire bridge. All three headers are connected to one communication line.
A maximum of 32 1-wire devices can be connected to the display at a time.
Figure 11: 1-Wire Pinout
2.3 General
Text is displayed on the LK202-24-USB using the built in 5x8 dot matrix font, in addition to up to 8 user
defined characters.
Matrix Orbital PK202-24-USB 11
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