➢Step descriptions:
✦Step 1:-connect the pir sensor to arduino vcc
✦Step 2:-connect the pir output to arduino 4 number pin
✦Step 3:-connect the pir ground to arduino ground
✦Step4:-connect the relay vcc to arduino 5volt
✦Step5:-connect the relay output to arduino 2 number pin
✦Step6:-connect relay ground to arduino ground
✦Step7:-connect the bulb to relay to common and no
Product list
『Arduino uno』 view more: https://www.utsource.net/sch/arduino%20uno
『Relay module』 view more: https://www.utsource.net/sch/relay%20module
『Pir sensor』 view more: https://www.utsource.net/sch/Pir%20sensor
『Wire』 view more: https://www.utsource.net/sch/wire%20jumper
『Bread board』Bread board view more: https://www.utsource.net/sch/bread%20board
Video on Youtube: