https://github.com/nopnop2002/esp-idf-ds3231

DS3231 RTC Driver for esp-idf
https://github.com/nopnop2002/esp-idf-ds3231

ds3231 esp-idf esp32 rtc

Last synced: 4 months ago
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DS3231 RTC Driver for esp-idf

• Host: GitHub
• URL: https://github.com/nopnop2002/esp-idf-ds3231
• Owner: nopnop2002
• Created: 2019-06-15T23:20:59.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2024-09-07T06:53:14.000Z (5 months ago)
• Last Synced: 2024-10-11T13:43:14.959Z (4 months ago)
• Topics: ds3231, esp-idf, esp32, rtc
• Language: C
• Homepage:
• Size: 19.5 KB
• Stars: 29
• Watchers: 1
• Forks: 11
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
# esp-idf-ds3231

DS3231 RTC Driver for esp-idf

I forked from [here](https://github.com/UncleRus/esp-idf-lib/tree/master/components/ds3231).   

# Installation

```

git clone https://github.com/nopnop2002/esp-idf-ds3231

cd esp-idf-ds3231

idf.py menuconfig

idf.py flash

```

# Wireing  

|DS3231||ESP32|ESP32S2/S3/H2|ESP32Cn|

|:-:|:-:|:-:|:-:|:-:|

|SCL|--|GPIO22|GPIO02|GPIO06|

|SDA|--|GPIO21|GPIO01|GPIO05|

|GND|--|GND|GND|GND|

|VCC|--|3.3V|3.3V|3.3V|

You can change GPIO using menuconfig.   

# Set Clock Mode   

This mode set RTC initial value using NTP time Server.   

You have to set these config value using menuconfig.   

![config-ds3231-1](https://user-images.githubusercontent.com/6020549/59557293-346e5300-9011-11e9-9106-6256bd5c8a7e.jpg)

![config_ds3231-2](https://user-images.githubusercontent.com/6020549/59557292-346e5300-9011-11e9-9070-fe281eed0398.jpg)

You have to set gpio & NTP Server using menuconfig.   

![config-ds3231-11](https://user-images.githubusercontent.com/6020549/59557295-4bad4080-9011-11e9-96dc-b42702929542.jpg)

![config-ds3231-12](https://user-images.githubusercontent.com/6020549/59557296-4fd95e00-9011-11e9-842c-7c81469244af.jpg)

# Get Clock Mode   

This mode take out the time from a RTC clock.   

You have to change mode using menuconfig.   

![config-ds3231-11](https://user-images.githubusercontent.com/6020549/59557295-4bad4080-9011-11e9-96dc-b42702929542.jpg)

![config-ds3231-13](https://user-images.githubusercontent.com/6020549/59557300-5ec01080-9011-11e9-9ca2-94067ab8df28.jpg)

![ds3231-13](https://user-images.githubusercontent.com/6020549/59557303-697aa580-9011-11e9-81ef-09c0b28ed5a9.jpg)

# Get the time difference of NTP and RTC   

This mode get time over NTP, and take out the time from a RTC clock.   

Calculate time difference of NTP and RTC.   

You have to change mode using menuconfig.   

![config-ds3231-11](https://user-images.githubusercontent.com/6020549/59557295-4bad4080-9011-11e9-96dc-b42702929542.jpg)

![config-ds3231-14](https://user-images.githubusercontent.com/6020549/59557304-77302b00-9011-11e9-8694-5c9fa47f6352.jpg)

![ds3231-14](https://user-images.githubusercontent.com/6020549/59557305-7f886600-9011-11e9-8b24-cf3a251e4bce.jpg)

# Time difference of 1 week later.   

![ds3231-1week](https://user-images.githubusercontent.com/6020549/59961772-2dff4000-9517-11e9-9368-2c3c085617c8.jpg)

# Time difference of 1 month later.   

![ds3231-1month](https://user-images.githubusercontent.com/6020549/61294194-3f82f180-a810-11e9-866a-5af73427cf12.jpg)

# References

https://github.com/nopnop2002/esp-idf-ds1302

https://github.com/nopnop2002/esp-idf-ds1307

https://github.com/nopnop2002/esp-idf-pcf8563