Guru
Joined: 07/08/2011
Location: AustraliaPosts: 6623
| Posted: 04:17pm 23 Jan 2016 |
At least one of my displays has a resistor in series with the LED pin. I have measure ~4 ohms.
Before playing with lower value external resistors, I would hook up a meter and measure the current.
Jim
VK7JH
MMedit