Matrix-orbital LK204-24-USB Manual do Utilizador descarregar pdf (Página 16)

2.2.3 GPO 5, GPO 6, and GPO 7

Figure 11: General Purpose Outputs

GPO’s 5, 6, and 7 are low power ouputs providing +5V at 20mA enforced by a 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 6 headers are inter-connected to one communication

line. A maximum of 32 1-wire devices can be connected to the display at a time.

Figure 12: 1-Wire Pinout

2.3 General

Text is displayed on the LK204-24-USB using the built in 5x8 dot matrix font, in addition to up to 8 user

deﬁned characters.

Matrix Orbital LK204-24-USB 12

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