Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
If the two valves are operated with one relay, one valve will always be open. Relay ON drives the cylinder to one extreme...relay OFF drives the cylinder to the other extreme...no stop position with both valves closed. If that's what you want, one will work. Otherwise you will need two relays.
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