End of Life
What a mess!
LM324 - single supply quad-opamp
Some chip
Some chip
Ball switch
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Piezo buzzer - cleaned
Optical smoke sensor
Optical smoke sensor
Optical smoke sensor
Smoke detector - PCB
Replacement central-locking-sytem pump
OP-70 precision opamp
7805
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Isolation slot
OPTO + TRIAC + SNUBBER
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Some cleaning would have been nice
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Replacement central-locking-sytem pump
The old one (top) has quite a lot of electronics inside. Much more than expected. The newer one has even more!
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