walnutwalrus@lemmy.world to DIY@lemmy.worldEnglish · 1 year agoHuman Powered Air Compressor and Energy Storage System | Low Tech Magazinesolar.lowtechmagazine.comexternal-linkmessage-square0fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkHuman Powered Air Compressor and Energy Storage System | Low Tech Magazinesolar.lowtechmagazine.comwalnutwalrus@lemmy.world to DIY@lemmy.worldEnglish · 1 year agomessage-square0fedilink