Seeed Wio Extension RTC Manual page 3

Getting Started
Play With Arduino
Materials required
Wio LTE Boards Wio‐Extension‐RTC
Since Wio Extension - RTC just controlling USB power supply set from I2C, you can use
this board to manage the power supply almost for every MCU boards powering from
USB.
Note
1 Please plug the USB cable gently, otherwise you may damage the port. Please use
the USB cable with 4 wires inside, the 2 wires cable can't transfer data. If you are not
sure about the wire you have, you can click
2 Each Grove module comes with a Grove cable when you buy. In case you lose the
Grove cable, you can click
Hardware
Step 1. Connect the Wio-Extension-RTC to the I2C port of the Wio LTE Boards.

Step 2. Connect Wio LTE Boards.to PC via a USB cable.

Step 3. Connect

Grove ‐ Buzzer
here to buy.
Grove - Buzzer or
here to buy
Grove - Red LED to D38 of Wio LTE.
Grove ‐ Red LED