Smart doorbell
I want to build a doorbell on an Arduino Nano with a push button, a piezo buzzer that plays a tune and an LED.
Parts
Arduino Nano V3 (CH340, Type-C) In stock
Reed Switch Sensor - Normally Open Magnetic Switch In stock
Active Piezo Buzzer Module 5V 2.3kHz In stock
5mm Common-Cathode RGB LED In stock
Resistor Variety Pack - , 10 Values, 1/4W Carbon Film In stock
23 AWG Multi-Strand Breadboard Wire In stock
USB Type-C to USB-A Cable (56kΩ pull-up, 1m, 22AWG) In stock
Tactile Push Button Switch With Yellow Round Cap In stock
Pins, wiring and code
The pin table, the wiring steps and the code for this build are in Soldr. Start this build on Soldr - you can change it before you buy.