Tagged Smart Device

Rechargeable Battery and Electric Door Lock in Korea

It’s customary to look for rechargeable batteries for price or for environment or otherwise. My go-to guide on the matter thus far: rechargeable battery is like LED light bulbs of AAs, high upfront but cheaper in the long run. AA or AAA batteries go into remotes are less an issue — they tend to last…

Dwarf II Spiel: Astrophotography on Smartphones

I believe Dwarf II crowdfunding started back in 2021. I barely knew about the first Dwarf device, so when I heard the rumors of the new “smart” telescopes, I kinda wished I hadn’t invested so much on short tube telescopes already. There is something fundamentally beautiful, different even, being able to see through what the…