Can always use an LED with current limit resistor, make a series string withe cable, LED, and resistor.
+5 to cable end, other cable end to LED anode, LED cathode to resistor, resistor end to Gnd.
Can always use an LED with current limit resistor, make a series string withe cable, LED, and resistor.
+5 to cable end, other cable end to LED anode, LED cathode to resistor, resistor end to Gnd.