HOMEMADE EARTHQUAKE ALARM

Anonymous March 16, 2017

STEP 1: MATERIAL AND TOOLS REQUIRED

-one relay (5v or 12v)

-one slide switch

-one 9v battery with connector

-one pcb standoff screw

- two screws 3mm and 1 nut

-one slide switch

-copper wire (38 swg , 1foot long)

-two red led (3mm)

-one zero pcb board

-solder and soldering iron

-glue gun

-iron sheet strip (0.5mm thick , 10cm x 1cm)

- one AA size cell

-flexible wire