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In-line headphone amplifier

Step 24Positive contact fitted

Positive contact fitted
The positive contact for the battery is a piece of double sided copper clad board. The side which contacts the battery has clearance cut along the edges so that the battery does not short out to the case. The other side is soldered to the case.

Both the spring and the positive battery contact were taken from a defunct TV remote.
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Author:neelandan
Employed as an Engineer in Electronics. Interested in building small circuits around tiny chips (the electronic kind).