Ultrasonic Sensor Module - HC-SR04
$0.78
$0.23
Arduino Nano Cable (USB 2.0 A to USB 2.0 Mini B) - Blue/Black
$0.07
10K ohm, 1/4 Watt Resistor with 5% tolerance (Pack of 10)
$0.06
4.7K ohm, 1/4 Watt Resistor with 5% tolerance (Pack of 10)
Small Piezoelectric Buzzer - 5V Active Buzzer
$0.14
$0.04
Push Button (4-Pin Tactile Micro Switch)
$0.03
$0.01
9V Battery Snap Connector
$0.08
$0.02
LDR Sensor (Light Dependent Resistor) - 5mm
$0.05
433mHz RF Transmitter and Receiver Radio Module
$0.69
$0.21
9V Battery (Hi-Waote)
$0.22
10000pF 50V Ceramic Capacitor (Pack of 5)
100000 pF (0.1uF) 50V Ceramic Capacitor (Pack of 5)