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.
It is possible to design a circuit that will latch on and stay on after opening a switch. For instance, if a switch is grounding the gate of an SCR and you open the switch, the resistor supplying current to the gate will start the SCR and the SCR will latch "on" until the power supply is removed.
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