Matrix Orbital LK204-24-USB - Manual (Page 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