Design with Microcontrollers: Relay-Timer Circuit with RTC (for auto-operating appliances) using AtmelStudio or Arduino
![Amazon.com: AITRIP 6PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi : Home & Kitchen Amazon.com: AITRIP 6PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi : Home & Kitchen](https://m.media-amazon.com/images/I/81bI+7YRmGL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AITRIP 6PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi : Home & Kitchen
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Módulo de reloj en tiempo Real DS3231, Sensor RTC de alta precisión AT24C32 IIC, temporizador, despertador para Arduino Raspberry Pi, 1 ud. - AliExpress
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2PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board with Male to Female Jumper Wire Cable at Amazon.com
![Super Debug 2pcs DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board Compatible with Ardu ino (Batteries not Included) + 20 PCS Male to Female Jumper Super Debug 2pcs DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board Compatible with Ardu ino (Batteries not Included) + 20 PCS Male to Female Jumper](https://rukminim1.flixcart.com/image/850/1000/kkoc70w0/electronic-hobby-kit/w/k/z/2pcs-ds3231-at24c32-iic-rtc-module-clock-timer-memory-module-original-imafzy73qtzyftkd.jpeg?q=90)
Super Debug 2pcs DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board Compatible with Ardu ino (Batteries not Included) + 20 PCS Male to Female Jumper
![RTC Timer Controlled Relay using Arduino | Variable timer to trigger Relay | Adjustable Timer - YouTube RTC Timer Controlled Relay using Arduino | Variable timer to trigger Relay | Adjustable Timer - YouTube](https://i.ytimg.com/vi/nrebsiebUMU/maxresdefault.jpg)
RTC Timer Controlled Relay using Arduino | Variable timer to trigger Relay | Adjustable Timer - YouTube
![Multifunction RTC Real Time Clock Timer Relay Module Clock Controller 24H 5 Mode with LED Display | Makers Electronics Multifunction RTC Real Time Clock Timer Relay Module Clock Controller 24H 5 Mode with LED Display | Makers Electronics](https://makerselectronics.com/wp-content/uploads/2023/06/RTC-Relay-735x735.jpg)