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9V Battery Barrel Jack Adapter
€1.90
Tax included
This is a simple adapter from 9v batteries to a barrel jack connector, very useful for Arduino and other mcu board with a barrel jack adapter.
This adapter connects a standard 9V battery to the barrel jack power input of your Arduino or microcontroller board. It is widely used in tutorials and projects requiring portable power.
The barrel jack typically has an inner diameter of 2.1 mm. Always verify polarity (center positive / outer negative) before connecting to avoid damage.
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This is a simple adapter from 9v batteries to a barrel jack connector, very useful for Arduino and other mcu board with a barrel jack adapter.