If you look in the AAR thread I have several convention game reports using lighted broadside markers. (Way back in 2014 and 2015 actually lol). In addition to the thread posted above and the more recent game Dobbs hosted.

https://www.sailsofglory.org/showthr...on)-Historicon

This one shows some of the LEDs. I used something called Blinky lights. Little LED blinking buttons and attached a base and a bit of cotton ball, well actually the fake snow craft store stuffing. Here is a link to the lights:

https://www.flashingblinkylights.com...p-on-pins.html