On test server
Not so safe safety-earth connetion
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I had to redo the lousy ground wire
Thermo couple
Hrrrmmp!
OPTO isolation slot
Good policy - wasn't implemented
YOUYOE 858D+ hot air soldering station
Intelligence inside
A little mishap
Painful camera setup
50 chips
YOUYUE 858D+ PCB
YOUYUE 858D+ PCB
That didn't last very long
Some shrinking tube for mechanical support
An Evil Cable
Fixed safety-earth cable
Not enough wire
That is evil
Wire routing
Added ISP connector
Hopefully the final programming
Doesn't stick and melts when device is on
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Misaligned bolt hole
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Should I be concerned?
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Egg warmer
OP-70 precision opamp
7805
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