Introduction: Pir Sensor Motion Sensing Device

it this instructable I am going to show how to build a motion sensing device with pir sensor and Arduino

Step 1:

just go on YouTube and see it because I know how precious your time is you can't waste your time reading .

Step 2: Material Required

*Arduino pro mini
*pir sensor
*3.7 volt battery
*jumper wire

Step 3: Program for Arduino:

code are taken from

Step 4:

connect the circuit like the image given above

Step 5: Assembly

assemble the circuit in a box like shown in above image

Step 6: My Advice

for understanding the project more better I refer you to watch the video of 3 minute by the link given below