Changes

1. Make sure you enable i2c interface, refer to [[How to enable I2C]]

2. The UPS connects to the Pi GPIO via pogo pins, If the I2C address (0x36) is not detected, Please clear the leads of pin 3 and pin 5 on the GPIO header from the bottom of the Raspberry Pi PCB and install again, and cso check if the pogp pin of [[X1202]] or other ups shield [[X1200]] /[[X1201]] / [[X1203]] is in close contact with the pad position of PI 5. [[File:Pi5-gpio-pin.jpg]]