## DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module For Arduino ##
Keeping the time with your Arduino or compatible board is not only easy but also the base for all manner of clock and timing related projects. No doubt you've seen various clocks and wanted to do this yourself - and now you can with a real-time clock module.
There are two main differences between the boards, w...
Simple clock with calendar based on atmega328p MCU and DS3231 real time clock module.
* calendar up to year 2100
* room temperature sensor
* 128x64 graphical LCD screen
* automatic LCD brightness control
* power saving modes
* backup Li-Ion battery
* encoder as user input
* hold for 5 seconds encoder button to start date time setup
Software source code can be found [here](https:...
My first PCB design.
Includes placeholders for NodeMCU board, DS3231 RTC module, and RS485 serial converter module (based on MAX485 chip).
The program supposed to send serial strings over RS485 bus to a home control system, based on pre-set times.
This is a simple Timer switch using Arduino and DS3231.
Change the relay type to your specific load.
The program and more details can be found on [github](https://github.com/praveens-git/Timer_Switch_RTC)
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