Matrix-orbital PK202-24-USB Manuale Utente Scaricare il pdf (Pagina 15)

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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Matrix-orbital PK202-24-USB Manuale Utente Pagina 15