Arduino Kits
5Pcs DIY Metal Measure Security Instrument Measuring Bar Kit Electronic Training Teaching
$24.59
Description:
Recommended power supply: 3V
Cut out the six pillars in the matching box when installing so that the board can be closed to the shell, this can enlarge the effective dectecting distance.
Diagram:
Note:
Battery is not included.
Package included:
5 x Metal Measure Kit
