Difference between revisions of "Pico-RTC-Hat"

From SB-Components Wiki
 
(One intermediate revision by the same user not shown)
Line 28: Line 28:
  
 
== Pinout ==
 
== Pinout ==
−
[[File:Pico_RTC_Pinout.png]]<table class="wikitable">
+
<table class="wikitable">
 +
<tr><td>[[File:Pico_RTC_Pinout.png]]</td>
 +
<td>
 +
<table class="wikitable">
 
<tr> <th>PICO RTC HAT </th> <th> PICO Pins </th></tr>
 
<tr> <th>PICO RTC HAT </th> <th> PICO Pins </th></tr>
 
<tr> <td> VCC </td> <td> 3V3 </td></tr>
 
<tr> <td> VCC </td> <td> 3V3 </td></tr>
Line 34: Line 37:
 
<tr> <td> RTC SDA </td> <td> GP6 </td></tr>
 
<tr> <td> RTC SDA </td> <td> GP6 </td></tr>
 
<tr> <td> RTC SCL </td> <td> GP7 </td></tr>
 
<tr> <td> RTC SCL </td> <td> GP7 </td></tr>
 +
</table>
 +
</td>
 
</table>
 
</table>
  

Latest revision as of 06:48, 11 June 2021

Pico RTC HAT

Pico RTC HAT is a Real-Time clock expansion module with the powerful IC DS3231, backup battery holder, operating voltage 3.3 V, and Fast (400kHz) I2C Interface that measures the time which aligns the time of the device with the “Real-Time”. It is developed with the standard Raspberry Pi Pico header that supports the Raspberry Pi Pico series to enhance its efficiency at a low cost.

Features

  • Accuracy ±2ppm from 0°C to +40°C.
  • Accuracy ±3.5ppm from -40°C to +85°C.
  • Battery Backup Input for Continuous Timekeeping.
  • Operating Temperature Ranges Commercial: 0°C to +70°C Industrial: -40°C to +85°C.
  • Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100.
  • Programmable Square-Wave Output.
  • Digital Temp Sensor Output: ±3°C Accuracy.

    • Specifications

  • Operating Voltage - 3.3 V
  • Inbuilt IC - DS3231
  • Battery - CR1220 coin cell
  • I2C Interface - 400 Khz
  • Backup Battery Voltage - 2.3V~5.5V
    • Pico RTC HAT
    Buy it From : Click Here

    Pinout

    Pico RTC Pinout.png
    PICO RTC HAT PICO Pins
    VCC 3V3
    GND GND
    RTC SDA GP6
    RTC SCL GP7

    Installation

    MicroPython

  • Stack Raspberry Pi Pico on female header of Pico RTC HAT..
  • Connect USB cable on Raspberry Pi Pico USB port.
  • Choose interpreter as MicroPython (Raspberry Pi pico).

    • Thonny-interpreter.PNG

  • Now use example code "RTC-HAT.py" from Pico RTC HAT's github repository in thonny ide.
  • Source code : https://github.com/sbcshop/Pico-RTC-HAT
  • Copy and paste or open code in thonny ide.

    • Pico rtc thonny.PNG

  • Click on green play button to run example of Pico RTC HAT.

    • Thonny play.PNG

  • To change date, time or week, change variables of below line:

    • CurrentTime = b'\x00\x00\x01\x06\x16\x04\x21' #00:00:01 friday 16/04/2021

    Resources

    Retrieved from "https://learn.sb-components.co.uk/index.php?title=Pico-RTC-Hat&oldid=511"