Laser diode driver 80-500mA w/TTL with 4AA Batteries holder / DIY LASER PROJECT

Description

This listing is for:
- Constant current laser diode driver 80-500mA with TTL modulation
- 4AA Batteries holder with on-off switch
Selling driver+battery holder as one item, left unused from old project.
E
ach kit are
t
ested and in working condition, I'm not responsible if you burn something!!!
FIRST 5 KITS COMES AS SHOWN IN PHOTO, LAST 2 KITS DON'T HAVE A BATTERY HOLDER DOOR/COVER, SO THEY COMES WITHOUT A BATTERY HOLDER DOOR/COVER!!!
Please feel free to contact me before you bid or buy if you have a question not answered here or you need more information.