Joribo

We regenerate these type of alkaline batteries [1] here: (not normal rechargable ones…) The schematic The schematic is rather trivial (Fig. 1). A voltage regulator brings down a supply voltage (which might be from a car battery) to 5 V. An...

Generating ozone and negative ions in the air can be done by a corona discharge. For this we can use a sharp tip of negative polarity, acting against a flat metal part of positive or neutral potential. The device generates negative air ions and ozone. The ozone acts against rot...