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3 photos
Day 601
Cooling fan stopped!
I noticed that I didn't hear the cooling sound from one strobe. I tried disassembling it. Fortunately it is the same type as a PC...
Day 768
Old modems and power-adapters
From one of my cardboard box📦. Modems I used communicating with analog telephone line at the beginning of 1990s and many...
Day 1,066
Today, I was learning how to control the motor through Arduino. The experiment itself was interesting. But I am slightly depressed and I canno...