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Open-source battery interrupter based on a flexible PCB and a 3.5 mm switch jack for switch adapting simple battery-powered toys or electronic devices.
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A battery interrupter is a simple, affordable device that enables you to switch adapt many battery powered electronics devices and toys. The battery interrupt is slipped in between the batteries or battery and battery terminal, breaking the circuit until a switch is attached and closed.
This device is a battery interrupter based on a flexible PCB with a mono/stereo 3.5 mm audio jack.
The original design was created by Dale Grover which is called Flex_Battery_Interrupter_200.
The shorter model was created to offer an even more affordable option which is called Flex_Battery_Interrupter_100.
The difference between the two models is simply the length of the battery interrupter.
The design files for the two models are available and can be found using following links:
Flex_Battery_Interrupter_Jack_Case provides additional support for both Flex PCB and the 3.5mm jack.
The following documents will guide you through the build process:
The gerber files are available to be sent out to your favorite PCB fabrication company. You can use the following settings when you order your Flex PCBs:
Layers: 2 Layers
Thickness: 0.2 mm
Min Track/Spacing: 2/2mil
Min Hole Size: 0.15 mm
Finished Copper:1 oz
Stiffener: Without
3M Tape: without
EMI shielding film: without
Board type: Single piece
The main component of Flex Battery Interrupter is a 3.5mm Stereo Jack which is listed in Flex_Battery_Interrupter_BOM.
You can get more information about the Flex Battery Interrupter by creating an issue here or posting your questions in the Flex Battery Interrupter thread on MakersMakingChange forum.