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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@DrAzzy
Wow, 6.3v is an unusually low voltage spec for an aluminum electrolytic... It's common on tants and ceramics, but electrolytics are typically 10, 16, 25, or higher...
Is that the cap visible in the picture on the site by any chance? Do note that it's not a 6.3v 100uF cap in the picture!
For a device like that - how much can you get the pump + motor assembly for? I would not be surprised if a suitable pump and motor assembly was where the majority of the price was going towards. Motor mounting is one of those things that sounds simple, but is actually a real bitch to do.