gator:rtc Real Time Clock

The gator:rtc is a gator clippable RTC based on the RV3028 by Micro Crystal. It's accurate to 1 PPM and runs at extraordinarily low power.

SparkFun gator:rtc (15486)

~ hint

To use this extension, go to https://makecode.microbit.org, click Extensions and search for gator-rtc. The package is located here

~

Basic usage

//Sets the time to whatever you choose in 12 hour mode
gatorRTC.set12Time(
    12,
    2,
    37,
    Afternoon.PM
)

Use ||set time to **12:2:37-PM**|| to set the time to 12:02:37 PM.

//Sets the date
gatorRTC.setDate(
dayNames.Thursday,
Months.September,
5,
19
)

Use ||set date to **Thursday**, **September** - "5" - 2019|| to set the date to Thursday, September 5, 2019.

//Sets one component of your time (in this case, seconds), selectable from a dropdown ot the value given
gatorRTC.setTimeComponent(TimeType.Seconds, 5)

Use ||set **Seconds** to 5|| to set the seconds component of your time to 5.

//Using Serial write to write the seconds component of your timestamp
serial.writeNumber(gatorRTC.timeComponent(TimeType.Seconds))

Use ||serial write number ||value of **Seconds**|| || to write the seconds value out over serial.

//Using Serial write to write the name of the weekday
serial.writeString(gatorRTC.weekdayName())

Use ||serial write string ||text of weekday|| || to write the day of the week out over serial.

//Using Serial write to write the time in HH:MM:SS
serial.writeString(gatorRTC.time())

Use ||serial write string ||time in HH:MM:SS|| || to write the time in HH:MM:SS over serial

//Using Serial write to write the date in mm-dd-yyyy
serial.writeString(gatorRTC.dateUSA())

Use ||serial write string ||date in mm-dd-yyyy|| || to write the date in mm-dd-yyyy over serial

//Using Serial write to write the timestamp in HH:MM:SS
serial.writeString(gatorRTC.timestamp())

Use ||serial write string ||button timestamp in HH:MM:SS|| || to write the button timestamp in HH:MM:SS over serial

//Using Serial write to write the date of the timestamp in mm-dd-yyyy
serial.writeString(gatorRTC.dateUSATimestamp())

Use ||serial write string ||button timestamp date in mm-dd-yyyy|| || to write the button timestamp date in mm-dd-yyyy over serial

Advanced Blocks

//Sets the time to whatever you choose in 24 hour mode

gatorRTC.set24Time(15, 2, 37)

Use ||set time to **15:2:37**|| to set the time to 15:02:37.

//Using Serial write to write the time in ISO8601 format (yyyy-mm-ddThh:mm:ss)
serial.writeString(gatorRTC.get8601Time())

Use ||serial write string ||time in yyyy-mm-ddThh:mm:ss|| || to write the time in ISO8601 over serial

//Using Serial write to write the date in dd-mm-yyyy
serial.writeString(gatorRTC.dateWorld())

Use ||serial write string ||date in dd-mm-yyyy|| || to write the date in dd-mm-yyyy over serial

//Using Serial write to write the timestamp in ISO8601 format (yyyy-mm-ddThh:mm:ss)
serial.writeString(gatorRTC.get8601Timestamp())

Use ||serial write string ||button timestamp in yyyy-mm-ddThh:mm:ss|| || to write the timestamp in ISO8601 over serial

//Using Serial write to write the timestamp date in dd-mm-yyyy
serial.writeString(gatorRTC.dateWorld())

Use ||serial write string ||button timestamp date in dd-mm-yyyy|| || to write the button timestamp date in dd-mm-yyyy over serial

//Change between 12 and 24 hour time modes, below will change to 24 hour mode
gatorRTC.set1224Mode(TimeMode.Military)

Use ||set to **Military** time|| to write the button timestamp date in dd-mm-yyyy over serial.

Example: Set and Read Time

//Set the time and date, then read it out over Serial every 10 seconds
gatorRTC.setDate(
dayNames.Thursday,
Months.September,
5,
19
)
gatorRTC.set12Time(
12,
2,
37,
Afternoon.PM
)
basic.forever(function () {
    serial.writeString(gatorRTC.weekdayName())
    serial.writeString(", ")
    serial.writeString(gatorRTC.dateUSA())
    serial.writeString(", ")
    serial.writeLine(gatorRTC.time())
    basic.pause(10000)
})

Supported targets

• for PXT/microbit

License

MIT

gatorRTC=github:sparkfun/pxt-gator-rtc