Electronics > Beginners
LM386N overheating
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Charlie86:
Hi,

Just bought spy headset from eBay.

https://www.ebay.com/itm/New-Invisible-Hidden-Wireless-Secret-Spy-Ear-Earphone-Earpiece-For-Mobile-Phone/392274810598?_trkparms=ispr%3D1&hash=item5b556696e6:g:JVEAAOSw7a9crbiK&enc=AQADAAAB0KX%2FKt4E1xf3SDqEdBclaYaW3Ca57aXq5FgKkvv3CBQ3Vn34fUOxbIq7ljGZ83F3tV4ULvmkKSrk3YncJFTBTDBByZmH0dKQf4KUjht2cYNxjFgTXtLM3mOM4TWyCE5k6JVX5Jd535ff24Nf%2BhDGlegRJrw1wbEYcwQITRrW87NNsHS47ttNZkAOcdjECFfIZxFCcy0pvndESDKfGCDwWyl4pxqCezAXvz1rgwX6QpmoTFBK%2F0l3igGTnEtvPZvyMnh5FJRxOMW73WGQ4cu4bzKA9lcBOFEKFGl8jnYMVngDzvVQrR1iTTxhJdgiCw1A%2BkDM%2FQCBQiA9p41an%2FM9DzDwGtrZvMF0btzUGCMaGCcgwVQoikDauoP0VjW7G8T4d9e%2BTfoBk2F9gLUul3J%2BkRxiVxjOliyWKyn1Q63iH2CRDiiyCe9fFbu88CyoWmzeqojzIuoYq%2BPgBSobczqXOYfnxegi7tVuDiyc8TaLHXXG18y%2FO6%2F7WDfqXFZTS1n5Ad1Pb67T5GeJf6RuLpzTWu6bfoXpxVOvLRT9Zj3eGKMesQgSMs04QMEQmYUCQW39iaQAM3l9RrAY%2FOCj%2BvU5n0zSo7BiZK5TQ%2BbHYTw5cScn&checksum=392274810598b826832d60784586aa42ea75a505a17b



 It works for one minute then it overheats. If I stick heatsink on it then it works for aprox. 5 min.

How can I change gain so it will not overheat?
Gyro:
It's probably doing you a favour - you wouldn't catch me putting one of those things up against my eardrum!  :o

I think it needs relocating to the dodgy as hell ebay items page.
malagas_on_fire:
It's not worth one important and delicate sense .

if it overheats it reminds the game excitebike when leaving the accelerator pressed :P.

Just use a tiny mp3 player with mic because they are almost forgoten :P.

Audioguru:
It is a stupid idea to place a magnet against your eardrum that is designed to have only air against it.
Why is it so important to have the earphone hidden?
xrunner:
 :popcorn:


--- Quote ---2) How do you take out the earpiece?

-Place batteries connectors  near your ear canal and slowly turn your head so your ear is parallel to the ground. Gravity and the force of the magnet will pull the magnet  to  batteries connectors. It may help to use a metal stick on the end of the magnet for extra control.


--- End quote ---
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