• Description

Wave Pi and Jetson Nano Real Time Clock (RTC)

The Wave Pi RTC is an extremely accurate I2C real-time clock (RTC) which incorporates DS3231SN high precision RTC chip, with backup battery holder (CR1220).



This is the best battery-backed real time clock (RTC) you can get that allows your Raspberry Pi project to keep track of time if the power is lost. Perfect for data-logging, clock-building, NTP servers, time-stamping, timers and alarms, etc.

Works perfectly with any Raspberry Pi (or similar single board linux computer) including the Pi 1, Pi 2, Pi 3, Pi Zero, A+, B+ etc.

Quick Spec

• Operating Voltage: 2.3-5.5V
• Operating Temperature: -40 ~ +85°C
• Battery Backup: CR1220 (NOT INCLUDED)
• RTC Chip: DS3231SN
• Will keep time for 5 years or more
• Dimensions: 65 x 30.5mm
• Weight: 18g

Dimensions

Pinout

Board Layout

1. USB Type-C power input
2. MAX705 watchdog
3. Watchdog output enable
• 1: enabled
• 0: disabled
4. CR1220 RTC battery holder: RTC power supply, supports CR1220 button cell
5. Watchdog output warning: lights up if the watchdog is overflow
6. Raspberry Pi 40PIN GPIO header
7. RTC chip: DS3231 high precision RTC chip
8. Watchdog reset pin selection
9. Control interface: for use with other host boards

Resources

• Product Page
• Product Wiki
• Schematic
• MAX705 Datasheet
• DS3231 Datasheet
• Demo Code

Shipping List

• 1 x Wave Pi High Precision RTC
• 1 x 2×20PIN female header
• 1 x Standoffs pack (2pcs)

Please Note: CR1220 coin cell battery is NOT included.

Wave Pi and Jetson Nano Real Time Clock

• Brand: Waveshare
• Product Code: W20374
• Weight: 0.018kg
• Product Status : Active

Stock

Warehouse	Stock Status	Location
Centurion	In Stock	FF273
Stellenbosch	Limited Stock	M17
Bulk Location	No Stock

We ship free of charge between branches to complete your order.

• R188.00 (Inc Tax: R216.20)