Top "Real-time-clock" questions

How to get millisecond resolution from DS3231 RTC

How to get accurate milliseconds? I need to calculate the delay of sending data from Arduino A to Arduino B. …

timer arduino real-time-clock
how to wakeup android phone from sleep?

How to wakeup android phone from sleep (suspend to mem) programmably? I don't want to acquire any wakelock, which means …

android sleep wakeup real-time-clock
STM32L151 RTC Alarm interrupt

I am having problem with RTC alarm interrupt of STM32L151. I want my program to go to RTC alarm …

microcontroller interrupt stm32 real-time-clock stm32l152
How to generate a timestamp in stm32f303?

I am writing code to generate a timestamp to use it as a reference for to perform a certain function. …

timestamp stm32 real-time-clock
STM32 wake up from standby by RTC

I am programming STM32L051R8 and have next problem. I'm trying use standby mode in most part of time, …

timer microcontroller stm32 wakeup real-time-clock
I can't get DS3231 RTC to work

I have a DS3231 RTC module and I am trying to read time off of it using my Arduino UNO …

arduino i2c arduino-ide real-time-clock
stm32l4 RTC HAL not working

I'm having a strange behavior with the RTC on a stm32L476 with FreeRTOS. It only reads the first time …

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