Close

First tests

A project log for Cardboard Relay - Uglytech is getting better

A relay constructed from materials found in the home and will hold up to actual daily use.

Dr. CockroachDr. Cockroach 03/31/2018 at 01:042 Comments

This the first test run for the relay.

This is with the contact gap adjustment screw added and the relay connected between IO and the typewriter/printer for a slow test.

Discussions

Dr. Cockroach wrote 03/31/2018 at 07:38 point

Thanks Yann :-)  The current is still very high at 400 ma but just using enough coil turns to make it work. Needs more turns to bring that current down to something practical ;-)  Also finer wire would be better as this is 28ga. Diode is in there.

  Are you sure? yes | no

Yann Guidon / YGDES wrote 03/31/2018 at 02:54 point

That's so awesome :-D

What's the coil current ? Do you have a freewheel diode ?

  Are you sure? yes | no