buzzer

 https://www.dropbox.com/scl/fi/ypizmfhxuic7v43k7xfbm/buzzer1.mp4?rlkey=wpn5jswbwt9lmde5tab07jbwv&dl=0 

https://kitsguru.com/collections/soldering-tools
https://kitsguru.com/collections/buzzer-speaker
https://kitsguru.com/collections/pir-and-ir-sensor
https://kitsguru.com/collections/esp8266
https://kitsguru.com/collections/dupont-jumper-cable
https://kitsguru.com/collections/bluetooth-and-nrf-modules
https://kitsguru.com/collections/relay-switch-modules
https://kitsguru.com/collections/gsm-gprs
https://kitsguru.com/products/l293d-motor-driver-servo-shield-for-arduino


soldering iron
buzzer
proximity sensor
nodemcu
jumper wires
bluetooth module
relay module
gsm module
l293d motor driver