senzor contact switch coliziune robot elicopter modul arduino avr stm pic

Description: 100% brand new and high quality Forefront of a switch module is installed there is a collision, the module output low, there is no collision, the output high. Module aside M3 mounting holes to facilitate fixed in a small car. Lights with a switch, there is a collision, lights, no collision, lights out. Vcc 3v-12v power supply Gnd connected to power ground OUT output high and low Size:(L*W*H)3.55*2.20*0.61cm/1.40"*0.87"*0.24" Quantity:1Pc Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!