FEEDBACK MODULE S88N - KIT
 
Build your module by yourself and save money!
If you have a small experience with electronics this kit is for You!
 
The package includes:
- high quality printed circuit board
- PCB with drilled holes, solder mask, silkscreen legend
- all components including pre-programmed microchip
- user guide
 
What do I need? 
- soldering iron
- solder wire
- tweezer 
- wire cutter
 
Ready to use, tested module and description here