Description
What it is
This adapter is used to change the power connector from 5,5×2,1mm to 4,8×1,7mm.
Features
- Input connector: 5,5×2,1mm
- Output connector: 4,8×1,7mm
- SKU: ARD0010897
- Price: 1,72 €
What it is for
Allows the use of batteries of different sizes with Arduino devices. It can be useful in projects that require larger batteries. Example: creating a battery counter with an LCD display and an Arduino.
Tutorial: How to use the 5,5×2,1 to 4,8×1,7 Adapter
This adapter allows the use of batteries of different sizes with your Arduino devices. Ideal for projects that require larger batteries.
What you need
- 5,5×2,1 to 4,8×1,7 Adapter
- 5,5×2,1 Battery
- 4,8×1,7 Battery Charger
- Arduino Device
Steps
- Check that the battery is compatible with the adapter (5,5×2,1).
- Connect the battery to the charger port of the adapter.
- Connect the adapter to the power port of the Arduino device.
- Check the datasheet for the maximum allowed current.
- Power the Arduino device.
- Verify the output current with a multimeter.
- If necessary, adjust the voltage with a potentiometer.
- Test the Arduino device.
Mini project
Create a simple battery counter using an LCD display and an Arduino.
Common mistakes
- Do not check the maximum current of the adapter.
- Connect the battery and Arduino power without verifying compatibility.
- Omit the test of the output current.
- Do not correctly adjust the voltage if necessary.
Recommended accessories
- Multimeter
- Potentiometer
- LCD display
- Battery 4,8×1,7
Frequently asked questions
Can I use any type of 5,5×2,1 battery with this adapter?
Check the battery datasheet for compatibility with the adapter.
How long does the voltage conversion take?
Voltage conversion happens automatically when the battery is connected.
Do I need a separate voltage converter?
No, this adapter includes the necessary voltage converter.





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