Waterproof and durable connectors are expensive. Like really expensive. They cost you at least a few EUR per piece, regardless what brand you choose. I'd like to present you a way to make one in a few minutes. For under 0,5€. Yep, thats 50 cents.
- IP67 proof: totally dust tight, watertight up to a depth of 1m
- cheap: less than a euro
- they use widely available materials
- not yet reverse polarity protected (working on a cheap and easy solution)
See detailled instructions below