hi there, I have one of these pcb STR-03A REV:7 at the back of my bicycle helmet, it is powering a red LED light.
Would you know what type of batteries fit this PCB? I have misplaced the old batteries and now I don't know which type to buy.
Thank you in advance
Mod: Link to old thread
https://forum.allaboutcircuits.com/threads/what-is-this-please-help.114155/post-889496
Would you know what type of batteries fit this PCB? I have misplaced the old batteries and now I don't know which type to buy.
Thank you in advance
Mod: Link to old thread
https://forum.allaboutcircuits.com/threads/what-is-this-please-help.114155/post-889496
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