Thanks button maker.
Thats the switch lower right.
The white plastic thing was hollow, but needed a slight enlargement with a hand held drill.
height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyX0OC7I0mFPJKCOadGU0rLipTkU_y-0ErG6yebgaPEPaDWgE_lTOUp2DfKKTAsmUVWEzu2PR3XayqxYwbY10j_VtAu6cj99BwKB5jq7Didduw4KlQ6DaA8n97E8wIX6IEBlyZgrGdY5YD/s320/120+Things+in+20+years+-+Electronics+-+Aquaponics+-+Demand+feeder+fish+lever+build+2.JPG" width="320">The new lever incorporated a second fishing float as the stem, and as a nice bulb for the fish to hit.
The float stem has a bit of flex to it, so it should be forgiving if a fish hits it hard.
It looked lie this when built.
I glued it in place with super glue, and held it while it dried with what to me looks like a naked chicken with a fist for a head.
So now my device looks like this.
It also works.
I turned it on, and while I was putting a cover over the fish tank, the bigger of my two fish hit the lever and got a feed.
I did have the camera running, but the video was too dark to post, but the switch and lever worked perfectly.
I count this as a success!
120 Things in 20 years suggests you never try to take your electronic aquaponics demand feeder on a plane with you, unless you feel like explaining it for a few hours.
The float stem has a bit of flex to it, so it should be forgiving if a fish hits it hard.
It looked lie this when built.
It also works.
I turned it on, and while I was putting a cover over the fish tank, the bigger of my two fish hit the lever and got a feed.
I did have the camera running, but the video was too dark to post, but the switch and lever worked perfectly.
I count this as a success!
120 Things in 20 years suggests you never try to take your electronic aquaponics demand feeder on a plane with you, unless you feel like explaining it for a few hours.
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