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The following peripherals can be configured to a low-power mode when not in use:
MCP9800: Sleep mode (current draw lowered from 200uA to 1uA)
W25Q80: Power down mode (current draw lowered from 25uA t…
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Hi Justin,
I ordered some of your PCBs and build one of them for my own chicken coop.
I literally found some issues with it.
First of all thank you for sharing your repo.
One of the problems I'v…
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We need a hardware clock to manage time even when this device is offline. Otherwise, the system will always forget what time it was before, and will boot up either with a clock skew of number of day…
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I got my Watchy today but to my surprises the time is not updating. Upon further investigation it seems like no RTC alarm is ever received (ESP_SLEEP_WAKEUP_EXT0).
What should I do?
mipek updated
3 years ago
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I'm using this great lib already on a multitude of projects with a multitude of TFTs (most on ESP8266 and ESP32). Thanks a lot Bodmer for this great work!
I now switched to ESP32S3 in a project whe…
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Hi,
I'm having a bit of trouble with my STM32F411RE not keeping time. I have an 32.768kHz output from a DS3231M chip being using as the LSE source. I am finding that the internal stm32 RTC and the DS…
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Hi
I got a problem, I can't find how to stop a defined alarm.
i work on a project where i need to set an alarm for a period for example every minutes between 01h00 and 03h00
I set an alarm like …
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Hello, I realize that I have in my possession a DS3231, and it has some features that the DS3231M does not have.
One of them is the ability of the DS3231 to produce a frequency of 1hz, 1khz, 4khz or …
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Hi I'm using code from the example adjusting the time:
Serial.print(F("\nStarting Set program\n"));
Serial.print(F("- Compiled with c++ version "));
Serial.print(F(__VERSION__));
Serial.print(F("\…
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https://www.maximintegrated.com/en/products/digital/real-time-clocks/DS3231M.html