Arc lighter

thingiverse

Solder wires to the battery at your own risk, as using the output from the charger circuit may be fatal and has been known to destroy certain boards, which I've encountered in my own experiments. Keep a safe distance of less than 10mm between the electrodes. Here are the parts I used: * https://www.aliexpress.com/item/Hot-Sale-1-2-4-8-12pcs-18650-Battery-3-7v-2200mAh-Capacity-Battery-Li-po/32831830258.html?spm=a2g0s.9042311.0.0.T9ZJCf * https://www.aliexpress.com/item/5PCS-Micro-USB-5V-1A-18650-TP4056-Lithium-Battery-Charger-Module-Charging-Board-With-Dual-Functions/32666559864.html?spm=a2g0s.9042311.0.0.T9ZJCf * https://www.aliexpress.com/item/5Pcs-lot-DC-3-7-7-4V-To-1000KV-Boost-Step-Up-Power-Module-High-Voltage/32764213343.html?spm=a2g0s.9042311.0.0.T9ZJCf * https://www.ebay.com.au/itm/Rare-Earth-Strong-Magnet-Disc-Round-Cylinder-Neodymium-N-50-10mm-x-2mm/172863299932?hash=item283f74a15c:m:mpuqcNvkbENux-q06CtDS4w * 1.6x25mm nails