LK204-7T-1U-WB-LV Matrix Orbital, LK204-7T-1U-WB-LV Datasheet - Page 18
![no-image](/images/no-image-200.jpg)
LK204-7T-1U-WB-LV
Manufacturer Part Number
LK204-7T-1U-WB-LV
Description
LCD DISPLAY 20X4 I2C/RS232/TTL
Manufacturer
Matrix Orbital
Datasheet
1.LK204-7T-1U-WB.pdf
(67 pages)
Specifications of LK204-7T-1U-WB-LV
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- Current page: 18 of 67
- Download datasheet (2Mb)
Figure 19: Protocol-Select-Jumpers for LK204-7T-1U Non-USB
Figure 20: Protocol-Select-Jumpers for LK204-7T-1U USB
2.6 General Purpose Outputs
A unique feature of the LK204-7T-1U is the ability to control relays and other external devices using
three General Purpose Outputs, which can provide up to 10 mA of current and +3.3Vdc from the positive
side of each GPO. This is limited by a 240 ohm resistor which is located directly above the positive pin
as pictured below in Figure [fig:General-Purpose-Output]. If the device, which is being driven by a GPO,
requires a relatively high current (such as a relay) and has an internal resistance of its own greater than 250
ohms, then the 240 ohm resistor may be removed and replaced with a Jumper.
Matrix Orbital
LK204-7T-1U
13
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