Laser and sensor module

By using easily available home equipments

Youstron sic

Requirements

• Spectacle box• Scissor• Paper clips• Knife • Laser diode (you can get it easily from your

local electronic market)• Laser sensor (photo diode L14F1)• Relay mates (2 pins)-2

Step 1

Looks like this

Heat the knife and cut the plastic box as shown below

Solder the Laser diode on to a small pcb as shown below

Similarly solder the L14f1 sensor on to a small pcb

Take two paper clips

Fix it as similar to the below pic using paper clips

Side view

Bottom view(note a 3v battery is fixed using dual plaster tape)

DoneThat’s it..

Youstron sic