Clock with alarm
I want to build a desk clock with an alarm on an Arduino Uno with a DS3231 real-time clock, a 16x2 I2C LCD, two buttons and a buzzer.
Parts
Arduino Uno R3 CH340G ATmega328P Board In stock
DS3231 RTC Module In stock- 16x2 I2C Character LCD Display Module (1602 + PCF8574, pre-soldered) In stock
Tactile Push Button Switch With Yellow Round Cap × 2 In stock
Active Buzzer Module 3-5V 85dB In stock
Dupont Jumper Wire Kit (M-M, M-F, F-F, 20cm, 22AWG, ) In stock
SYB-170 Mini Breadboard In stock
USB Type A to B Cable (1m) 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.