Seli MOD503 Manual Download Page 5

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On/off operation

Long press for 3 seconds to turn off the UPS, short press once to turn on the UPS.

Battery power and voltage can be read by software

1. First, install the pip of Python3 on the Ubuntu system. Please run the following

command as the root user or sudo user in the terminal:

Summary of Contents for MOD503

Page 1: ...5 Introduction Designed for Jetson Nano Developer Kit this advanced uninterruptible Power supply UPS module provides up to 5 1V 8000mA backup power for Jetson Nano board With intelligent power managem...

Page 2: ...utomatic startup complete shutdown from software advanced power path management I2C bus communication and onboard LED indicators for monitoring battery capacity It is powered by six 18650 batteries Sp...

Page 3: ...s the button turn on press and hold the button for at least 3 seconds turn off Power loss or power adapter fault detection LED and GPIO indication On board XH2 54 power output connector for powering o...

Page 4: ...Electricity Electricity The number of LED lights on 0 25 1 26 50 2 51 75 3 76 100 4 Connect with Jetson Nano by 10Pin Correctly install six 18650 batteries to the Jetson Nano UPS power board and conne...

Page 5: ...to turn off the UPS short press once to turn on the UPS Battery power and voltage can be read by software 1 First install the pip of Python3 on the Ubuntu system Please run the following command as t...

Page 6: ...ng battery voltage and battery percentage usr bin env python import struct import smbus import sys import time def readVoltage bus address 0x36 read bus read_word_data address 2 swapped struct unpack...

Page 7: ...y bus if readCapacity bus 100 print Battery FULL if readCapacity bus 20 print Battery LOW print time sleep 2 Create a new Bat py file and then run the command in the terminal sudo python Bat py Now yo...