Reference
Library
- Jetson GPIO Library: Used for interacting with the Jetson Nano's GPIO pins. Install via the command
sudo pip install Jetson.GPIO. - smbus Library: Used for I2C communication. Install via the command
pip install smbus.
Communication Protocol Description
The Jetson Nano UPS module communicates with the Jetson Nano via the I2C bus. The I2C address of the module is 0x36.
Safety Instructions and Warnings
- Lithium polymer and lithium-ion batteries are very unstable. When charging or using improperly, it may cause fire, personal injury and property damage.
- When charging and discharging the battery pack, do not misconnect polarities. Always check the polarity of the battery connector carefully to ensure "+" to "+" and "-" to "-".
- Do not mix or use old and new batteries, or use other brands of batteries.
- Lithium batteries have a limited cycle life. Please replace the old batteries with new ones when they reach the end of their service life or after two years of use (whichever comes first).
- Keep UPS away from children.
LEDs Display and Electricity
| Electricity | The number of LED lights on |
|---|---|
| 0%~25% | 1 |
| 26%~50% | 2 |
| 51%~75% | 3 |
| 76%~100% | 4 |
On/off Operation
Long press for 3 seconds to turn off the UPS, short press once to turn on the UPS.
Was this article helpful?