Is there a package or library for controlling the DS3231 on the Raspberry Pi. Ask QuestionAsked 17 days agoActive 5 days agoViewed 89 times21. I’ve just obtained a …OpenCat OpenCat是由未来可编程机器人宠物制造商Petoi开发的基于开源Arduino和Raspberry Pi的机器人宠物框架。目标是促进四足机器人研究与开发敏捷和负担得起的四足机器人宠物的合作，并将STEM概念推向大众，并激发新来者（包括很多孩子）加入机器人AI革命。The device incorporates a battery input, and maintains high precision time keeping when main power to the device is interrupted. The RTC provides information of ... kart eslestirme hafiza oyunu oyna The DS3231 has a default I2C address of 0x68 and cannot be changed Download RTCLib For the RTC library, we'll be using a fork of JeeLab's excellent RTC library RTClib - a library for getting and setting time from an RTC (originally written by JeeLab, our version is slightly different so please only use ours to make sure its compatible!) how much does handr charge for taxes DS3231 RTC Chip At the heart of the module is a low-cost, extremely accurate RTC chip from Maxim — the DS3231. It handles all timekeeping functions and communicates with the microcontroller over I2C. The DS3231 can keep track of seconds, minutes, hours, days, dates, months, and years.Sep 15, 2022 · This Library provides functions for setting, managing and detecting the alarms. Optionally, the DS3231 can be configured to interrupt the Arduino when an alarm occurs. An Arduino program can execute specific instructions immediately upon receiving the interrupt. 61 x 91 frame Webmay 11, 2022 · now let's make a diy arduino digital clock using ds3231 and lcd material required: arduino uno ds3231 rtc module lcd display 16*2 jumper wirDS3231 RTC Chip At the heart of the module is a low-cost, extremely accurate RTC chip from Maxim — the DS3231. It handles all timekeeping functions and communicates with the microcontroller over I2C. The DS3231 can keep track of seconds, minutes, hours, days, dates, months, and years.ControllersTech varis ilaci modet22-May-2016 ... To make things simple and the code cleaner, the RTC library uses another class, called RtcDateTime, which allows us to create objects to hold ...You need to download the Rinky Dink DS 3231 library. You can download it from here Once downloaded, extract the DS3231 folder and place it into the libraries folder of your Arduino. Once you've done that, run the program and it would work. Hopefully. Share Improve this answer Follow answered Apr 25, 2021 at 16:09 Jefferson Goldwin 321 2 5 hartford courant obituaries past 2 weeks DS3231 Library Time Setting Functions The following methods of the DS3231 object use I2C hardware connection and the Wire library to transfer data into certain hardware registers of the DS3231. setClockMode () setSecond () setMinute () setHour () setDoW () setDate () setMonth () setYear () setEpoch () This library provides the following classes: Classes for manipulating dates, times and durations: DateTime represents a specific point in time; this is the data type …Arduino Car Parking Assistant. They act as a clock and are used to keep track of time based events. 10k or 20k pot (1 Pcs) 5. Overview. A watchdog timer (WDT) is a hardware timer that automatically generates a system reset if the main program neglects to periodically service (reset) it.ds3231是一种实时的rct ic芯片，通过iic接口进行通信，默认iic通信地址为（0x68，应该是在头文件中有体现，大概看了下也没找见）,其内部还集成了晶体振荡器和温度传感器，无需连接外部晶体。 ds3231模块如下图所示，包含rtc芯片和一个32k的eeprom 40 of dollar200 8 days ago ... The DS3231 module is an I2C real-time clock with an integrated temperature-compensated crystal oscillator & crystal. Once the power of this ...24-Nov-2020 ... To communicate with the DS3231 module, we use the library DS3231.h which must be installed in the library manager. When using for the first ...Sep 15, 2022 · This Library provides functions for setting, managing and detecting the alarms. Optionally, the DS3231 can be configured to interrupt the Arduino when an alarm occurs. An Arduino program can execute specific instructions immediately upon receiving the interrupt. maryland judiciary case search abbreviations DS3231 Library Time Setting Functions The following methods of the DS3231 object use I2C hardware connection and the Wire library to transfer data into certain hardware registers of the DS3231. setClockMode () setSecond () setMinute () setHour () setDoW () setDate () setMonth () setYear () setEpoch () The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperature compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. dngk Dan dari sisi software, sudah tersedia library yang siap digunakan untuk menangani hardware. Tinggal dipanggil saja function-function yang sudah tersedia. [AdSense-B] Untuk percobaan, dari sisi hardware siapkan modul RTC DS3231, 4 buah kabel jumper Male to Female, dan Arduino Uno.Feb 3, 2016 · The DS3231 has a default I2C address of 0x68 and cannot be changed Download RTCLib For the RTC library, we'll be using a fork of JeeLab's excellent RTC library RTClib - a library for getting and setting time from an RTC (originally written by JeeLab, our version is slightly different so please only use ours to make sure its compatible!) trex deck stairs I'm using Ds3231 library – Sharifdeen Ashshak. Oct 19, 2020 at 5:20. yeah now I have uploaded the code – Sharifdeen Ashshak. Oct 19, 2020 at 5:24. ... Arduino …Dec 6, 2021 vape 5500 puff DS3231 Product details. The DS3231 is a low-cost, extremely accurate I2C realtime clock (RTC) with an integrated temperature compensated crystal oscillator (TCXO) and crystal. …Please go to your libraries folder and find the DS3231 library folder, look in there and read the header file in order to identify it. You can't learn very much from a single #include line. You said you needed to understand the timer control functions, that is where you should go for that.// DS3231_RTC.ino - for DS3231 real time clock - set time and alarm every minute // interrupt on alarm - connect INT/SQW to pin2 // Arduino Nano connections // GND - GND // VCC - 5V // SDA - A4 // SCL - A5 #include "Wire.h" #define DS3231_I2C_ADDRESS 0x68 // Convert normal decimal numbers to binary coded decimal byte decToBcd (byte val) { return …Add the .zip folder to your Arduino IDE via Sketch>Include Library>Add .zip Library and locate your saved DS3231.zip library. Using the very basics of programming, use if operator to set the alarm or intended timer function.Therefore I have found a great and easy to use library which really ... There are some basic functions such as reading time and date and writing time and ... pmcrmcek Arduino library for the DS3231 real-time clock (RTC) Abstracts functionality for clock reading, clock setting, and alarms for the DS3231 high-precision real-time clock. This is a splice of Ayars' (http://hacks.ayars.org/2011/04/ds3231-real-time-clock.html) and Jeelabs/Ladyada's (https://github.com/adafruit/RTClib) libraries. Author: Andrew Wickert An Arduino library for the DS3231 real-time clock (RTC). Description The library provides easy-to-use methods to: set and read the current date and time; set, clear, and detect two, independent, Time-of-Day alarms; perform certain conversions and calculations with time data; manage certain hardware inside the DS3231 RTC module. trailers at lowepercent27s 14-Aug-2022 ... ... the timer ds3231 but the ds3231 library doesn't have the alarm set. Then I added the functions to his library for the alarm 1 and 2.Then, you only need to specify 7 segmentPins [] sevseg.begin (hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments, updateWithDelays, leadingZeros, disableDecPoint); } void loop () { sevseg.setChars ("hola"); sevseg.refreshDisplay (); if (millis ()>6000) { int adj = 0; int timenumber; int hr = hourFormat12 (); int Min = minute … canli sohbet odalari ucretsiz uyeliksiz RTClib.h library (by Adafruit) for the DS3231 RTC module (GitHub link) Figure 5: Library Manager ... This is done by calling rtc.now() function which is included …The device incorporates a battery input, and maintains high precision time keeping when main power to the device is interrupted. The RTC provides information of ...First you have to download the library, unzip it and copy the files inside. You will have to paste it to your Arduino/Libraries/DS3231 folder. On the left is the current DS3231 Library which I added through the arduino library manager. kocaya alinacak dogum gunu hediyesi 14-Aug-2022 ... ... the timer ds3231 but the ds3231 library doesn't have the alarm set. Then I added the functions to his library for the alarm 1 and 2.Functions · Read the Date or Time · Set the Date or Time · Set, Clear and Check Alarms · Manage DS3231 Hardware · DateTime Object · The Special RTClib::now() Function.Feb 3, 2016 · The DS3231 has a default I2C address of 0x68 and cannot be changed Download RTCLib For the RTC library, we'll be using a fork of JeeLab's excellent RTC library RTClib - a library for getting and setting time from an RTC (originally written by JeeLab, our version is slightly different so please only use ours to make sure its compatible!) DS3231SN# clock frequency: clock rate: coprocesso: coprocessors dsp: configuration: connectivity: connectortype: control features: control interface: scurrent bias: current cathode: current modulation: current output: current output max: 110µA ~ 170µA @ 3.63V ~ 5.5V data converters: data format: YY-MM-DD-dd delay time: differential input output: babama guzel sozler The DS3231 is a real-time clock (RTC) that can be used in electronic-related projects. The DS3231 operates with a built-in 3 volt-battery ( CR2032) that allows keeping up with the time even after power has been removed from the VCC/GND pins. Think about this in terms of your computer keeping up with time even if you unplug the power from it.ds3231是一种实时的rct ic芯片，通过iic接口进行通信，默认iic通信地址为（0x68，应该是在头文件中有体现，大概看了下也没找见）,其内部还集成了晶体振荡器和温度传感器，无需连接外部晶体。 ds3231模块如下图所示，包含rtc芯片和一个32k的eeprom MD_DS3231. Device Control. Library for using a DS3231 Real Time Clock. Access to all on-chip features - R/W write clock time and alarm registers, Square wave generator and … power acoustik rzr1 2500d I'm using Ds3231 library – Sharifdeen Ashshak. Oct 19, 2020 at 5:20. yeah now I have uploaded the code – Sharifdeen Ashshak. Oct 19, 2020 at 5:24. ... Arduino …An Arduino library for the DS3231 real-time clock (RTC). Description The library provides easy-to-use methods to: set and read the current date and time; set, clear, and detect two, independent, Time-of-Day alarms; perform certain conversions and calculations with time data; manage certain hardware inside the DS3231 RTC module. dresses at macy library functions. 16rtcint.asm. This is the RTC code implementation file. One needs to include this file in their project ...About this post. In this article I would like to introduce the real-time clock module DS3231. For this, I use the RTCLib library from Adafruit, as I think it is the best …Dan dari sisi software, sudah tersedia library yang siap digunakan untuk menangani hardware. Tinggal dipanggil saja function-function yang sudah tersedia. [AdSense-B] Untuk percobaan, dari sisi hardware siapkan modul RTC DS3231, 4 buah kabel jumper Male to Female, dan Arduino Uno. lowepercent27s grills The following image shows a typical operating circuit of the DS3231: DS3231 RTC driver (library) for CCS C compiler: Library functions are listed below. void RTC_Set(RTC_Time *time_t): this function sets time and date (writes time and date to the DS3231) where the variable time_t of type struct (structure) collects the following integer variables:The DS3231 RTC module Precise Real-Time Clock Module is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated ...Arduino library for the DS3231 real-time clock (RTC) Abstracts functionality for clock reading, clock setting, and alarms for the DS3231 high-precision real-time clock. This is a splice of Ayars' (http://hacks.ayars.org/2011/04/ds3231-real-time-clock.html) and Jeelabs/Ladyada's (https://github.com/adafruit/RTClib) libraries.09-Mar-2020 ... Creating an Alarm to Periodically Call a Function · DS3231 RTC with Arduino | Arduino Real-Time Clock. · Display Custom Characters on 16×2 LCD ...DS3231 RTC Pin Configuration. DS3231 is a six terminal device, out of them two pins are not compulsory to use. So we have mainly four pins. ... DS3231 RTC MODULE consumes very less power to function. So this module can be used on mobile systems. Case3: Where high speed communication is of need. DS3231 RTC MODULE capable of communicating with ... audi q3 android auto MD_DS3231 () [2/2] Overloaded Class Constructor (ESP8266 only) Provides a way to assign custom SCL and SDA pins if the architecture supports them. Parameters Member Function Documentation calcDoW () Calculate day of week for a given date Given the specified date, calculate the day of week. See also Arduino library for the DS3231 real-time clock (RTC) Abstracts functionality for clock reading, clock setting, and alarms for the DS3231 high-precision real-time clock. This is a splice of Ayars' (http://hacks.ayars.org/2011/04/ds3231-real-time-clock.html) and Jeelabs/Ladyada's (https://github.com/adafruit/RTClib) libraries. Author: Andrew Wickert glass blowing tools At the heart of the module is a low-cost, extremely accurate RTC chip from Maxim – DS3231. It manages all timekeeping functions and features a simple two-wire I2C interface which can be easily...Jan 29, 2023 · DS3231SN# clock frequency: clock rate: coprocesso: coprocessors dsp: configuration: connectivity: connectortype: control features: control interface: scurrent bias: current cathode: current modulation: current output: current output max: 110µA ~ 170µA @ 3.63V ~ 5.5V data converters: data format: YY-MM-DD-dd delay time: differential input output: 4 unit apartment building for sale in wisconsin The DS3231 is a simple time-keeping chip. ... to download the DS3231 library first. ... comment out the following clock.set functions and then re-.DS3231 RTC Module Jumper Wires Breadboard Power Banks The exact component used for this tutorial can be bought via the links attached and the power bank is only required to run the Arduino when not connected to the computer. You can replace this with a 9V battery and a center-positive power jack. SchematicsAn Arduino library for the DS3231 real-time clock (RTC). Description The library provides easy-to-use methods to: set and read the current date and time; set, clear, and detect two, independent, Time-of-Day alarms; perform certain conversions and calculations with time data; manage certain hardware inside the DS3231 RTC module. biolife coupon dollar600 in three donationsDS3231SN# clock frequency: clock rate: coprocesso: coprocessors dsp: configuration: connectivity: connectortype: control features: control interface: scurrent bias: current cathode: current modulation: current output: current output max: 110µA ~ 170µA @ 3.63V ~ 5.5V data converters: data format: YY-MM-DD-dd delay time: differential input output:Install RTC Library. As we are using DS3231 RTC module with Arduino, hence we will require a library while programming in Arduino IDE. We will use the RTClib by Adafruit …import adafruit_ds3231 import time All the Adafruit RTC libraries take an instantiated and active I2C object (from the board library) as an argument to their constructor. The way to create an I2C object depends on the board you are using. For boards with labeled SCL and SDA pins, you can: import board Now, to initialize the I2C bus: doping hafiza videolari full indir OpenCat OpenCat是由未来可编程机器人宠物制造商Petoi开发的基于开源Arduino和Raspberry Pi的机器人宠物框架。目标是促进四足机器人研究与开发敏捷和负担得起的四足机器人宠物的合作，并将STEM概念推向大众，并激发新来者（包括很多孩子）加入机器人AI革命。 baroque bedroom furniture Provide a DS3231 library C++ library which can be used in any application implementing an alarm clock Provide a heavily documented example of coding for those trying to improve their programming, Arduino or otherwise. I welcome any constructive feedback you have on this code. Please email me. Therefore I have found a great and easy to use library which really ... There are some basic functions such as reading time and date and writing time and ...The DS3231 RTC module Precise Real-Time Clock Module is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated ...Jul 19, 2015 · Dan dari sisi software, sudah tersedia library yang siap digunakan untuk menangani hardware. Tinggal dipanggil saja function-function yang sudah tersedia. [AdSense-B] Untuk percobaan, dari sisi hardware siapkan modul RTC DS3231, 4 buah kabel jumper Male to Female, dan Arduino Uno. DS3231 RTC Chip At the heart of the module is a low-cost, extremely accurate RTC chip from Maxim — the DS3231. It handles all timekeeping functions and communicates with the microcontroller over I2C. The DS3231 can keep track of seconds, minutes, hours, days, dates, months, and years. yorkie puppies for sale in nc under dollar500 The DS3231 is a real-time clock (RTC) that can be used in electronic-related projects. The DS3231 operates with a built-in 3 volt-battery ( CR2032) that allows keeping up with the time even after power has been removed from the VCC/GND pins. Think about this in terms of your computer keeping up with time even if you unplug the power from it.There are a number of libraries available which interface to the DS3231 IC. A Github search for DS3231 is showing 483 listings right now. The most popular ...import adafruit_ds3231 import time All the Adafruit RTC libraries take an instantiated and active I2C object (from the board library) as an argument to their constructor. The way to create an I2C object depends on the board you are using. For boards with labeled SCL and SDA pins, you can: import board Now, to initialize the I2C bus: The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperaturecompensated crystal oscillator (TCXO) and crystal. he507k gr x2 review Then, you only need to specify 7 segmentPins [] sevseg.begin (hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments, updateWithDelays, leadingZeros, disableDecPoint); } void loop () { sevseg.setChars ("hola"); sevseg.refreshDisplay (); if (millis ()>6000) { int adj = 0; int timenumber; int hr = hourFormat12 (); int Min = minute …Feb 3, 2016 · The DS3231 has a default I2C address of 0x68 and cannot be changed Download RTCLib For the RTC library, we'll be using a fork of JeeLab's excellent RTC library RTClib - a library for getting and setting time from an RTC (originally written by JeeLab, our version is slightly different so please only use ours to make sure its compatible!) Using the Library. The library has a simple interface to the RTC hardware implemented through: a set of time (h, m, s and dow) and date (yyyy, mm, dd) variables. All data to and from the RTC passes through these. Clock or alarm time data is read or written to these interface registers before the appropriate methods are invoke to act on that data.ds3231是一种实时的rct ic芯片，通过iic接口进行通信，默认iic通信地址为（0x68，应该是在头文件中有体现，大概看了下也没找见）,其内部还集成了晶体振荡器和温度传感器，无需连接外部晶体。 ds3231模块如下图所示，包含rtc芯片和一个32k的eeprom joannpercent27s near me 8 days ago ... The DS3231 module is an I2C real-time clock with an integrated temperature-compensated crystal oscillator & crystal. Once the power of this ...DS3231 RTC Chip. At the heart of the module is a low-cost, extremely accurate RTC chip from Maxim — the DS3231. It handles all timekeeping functions and communicates with … sony wh 1000xm3 cutting out Aug 21, 2016 · Step 1: Coding First, you would need a DS3231 module and its library: http://www.rinkydinkelectronics.com/library.php?id... Add the .zip folder to your Arduino IDE via Sketch>Include Library>Add .zip Library and locate your saved DS3231.zip library. Using the very basics of programming, use if operator to set the alarm or intended timer function. Dan dari sisi software, sudah tersedia library yang siap digunakan untuk menangani hardware. Tinggal dipanggil saja function-function yang sudah tersedia. [AdSense-B] Untuk percobaan, dari sisi hardware siapkan modul RTC DS3231, 4 buah kabel jumper Male to Female, dan Arduino Uno.Jul 19, 2015 · Dan dari sisi software, sudah tersedia library yang siap digunakan untuk menangani hardware. Tinggal dipanggil saja function-function yang sudah tersedia. [AdSense-B] Untuk percobaan, dari sisi hardware siapkan modul RTC DS3231, 4 buah kabel jumper Male to Female, dan Arduino Uno. import adafruit_ds3231 import time All the Adafruit RTC libraries take an instantiated and active I2C object (from the board library) as an argument to their constructor. The way to create an I2C object depends on the board you are using. For boards with labeled SCL and SDA pins, you can: import board Now, to initialize the I2C bus: susan johnson Technical features of the DS3231 The most important features in my view are: Counts seconds, minutes, hours, days, days of the week, months, years. Including leap year function. Maximum deviation (at 0 to 40 °C): +/-2 ppm (equivalent to +/-63 seconds / year). Power supply: 2.3 - 5.5 volts.To use this library functions, the user has to include wire.h (header) file. Features. Easy Interface. DS3231 library has a very easy to use interface. Low-cost. DS3231 is a low … burulas hareket saatleri DS3231 Library Time Setting Functions The following methods of the DS3231 object use I2C hardware connection and the Wire library to transfer data into certain hardware registers of the DS3231. setClockMode () setSecond () setMinute () setHour () setDoW () setDate () setMonth () setYear () setEpoch () 30-Apr-2018 ... The other thing worth noticing is that there are actually two chips on the board; one is the DS3231 RTC, but there is also an 8-pin EEPROM chip ...Step 1: Coding First, you would need a DS3231 module and its library: http://www.rinkydinkelectronics.com/library.php?id... Add the .zip folder to your Arduino IDE via Sketch>Include Library>Add .zip Library and locate your saved DS3231.zip library. Using the very basics of programming, use if operator to set the alarm or intended timer function. crps type 2 settlements Dan dari sisi software, sudah tersedia library yang siap digunakan untuk menangani hardware. Tinggal dipanggil saja function-function yang sudah tersedia. [AdSense-B] Untuk percobaan, dari sisi hardware siapkan modul RTC DS3231, 4 buah kabel jumper Male to Female, dan Arduino Uno.DS3231 RTC Connections The following code example can be used to display the time in a 24-hour time format. If your display has a center colon, then this code will make it blink. You can also disable this by removing the last few lines of code. The first time you upload the code, the RTC will be set to the time that the sketch was compiled.Feb 20, 2023 · This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. See file LICENSE.txt for further informations on licensing terms. Last updated August 17th, 2017 */ tires for polaris rzr The DS3231 precision RTC module is one of the most commonly used RTC module which keeps track of the current data and time. It is used in electronics projects for time keeping, data logging, building clocks, timers etc. This module runs on the DS3231S RTC chip and also contains the AT24C32 EEPRROM for accurate time keeping. Jul 17, 2022 · The circuit powers down the Nano 33 completely, the DS3231 is powered continuously from another source. When the DS3231 alarms triggers, it returns the power to the Nano 33 and the DS3231 is reinitialized. In summery, when the SQW is HIGH, the Nano is OFF. When SQW is LOW (alarm triggered) Nano is powered up. aarg July 17, 2022, 11:23pm #13 An Arduino library for the DS3231 real-time clock (RTC). Description The library provides easy-to-use methods to: set and read the current date and time; set, clear, and detect two, independent, Time-of-Day alarms; perform certain conversions and calculations with time data; manage certain hardware inside the DS3231 RTC module. ankara batman ucakla kac saat The DS3231 is a real-time clock (RTC) that can be used in electronic-related projects. The DS3231 operates with a built-in 3 volt-battery ( CR2032) that allows keeping up with the time even after power has been removed from the VCC/GND pins. Think about this in terms of your computer keeping up with time even if you unplug the power from it.The DS3231 has a default I2C address of 0x68 and cannot be changed Download RTCLib For the RTC library, we'll be using a fork of JeeLab's excellent RTC library RTClib - a library for getting and setting time from an RTC (originally written by JeeLab, our version is slightly different so please only use ours to make sure its compatible!) yuksel seramik fiyat listesi An Arduino library for the DS3231 real-time clock (RTC). Description The library provides easy-to-use methods to: set and read the current date and time; set, clear, and detect two, independent, Time-of-Day alarms; perform certain conversions and calculations with time data; manage certain hardware inside the DS3231 RTC module.The DS3231 has a default I2C address of 0x68 and cannot be changed Download RTCLib For the RTC library, we'll be using a fork of JeeLab's excellent RTC library RTClib - a library for getting and setting time from an RTC (originally written by JeeLab, our version is slightly different so please only use ours to make sure its compatible!) janet evanovich books 2022 DS3231 RTC Module Jumper Wires Breadboard Power Banks The exact component used for this tutorial can be bought via the links attached and the power bank is only required to run the Arduino when not connected to the computer. You can replace this with a 9V battery and a center-positive power jack. SchematicsArduino library for the DS3231 real-time clock (RTC) Abstracts functionality for clock reading, clock setting, and alarms for the DS3231 high-precision real-time clock. This is a splice of Ayars' (http://hacks.ayars.org/2011/04/ds3231-real-time-clock.html) and Jeelabs/Ladyada's (https://github.com/adafruit/RTClib) libraries.24-Jul-2021 ... Besides the displays, there are 4 buttons for the edit function. The RTC DS3231 is driving 2 LEDs beside its communication through I2C with the ...29-Aug-2018 ... The DS3231 is an RTC IC developed by Maxim Integrated. It is a low cost, extremely accurate RTC IC with communication over I2C Interface. An ... i 90 car accident today montana