Schematic Diagrams

Useful schematic and wiring diagrams. ✔ ✔ Enjoy electronic circuits, let your idea comes to hardware

Surge protector

Diy surge protector circuits

When has a thunderstorm. Electrical is off, or power surges the extreme, but sometimes we need to use the electrical appliances. And in sensitive electrical appliance damaged easily. Power surges a little. Might make it wastes. In particular surge. At you firstly turn on the switch. Should have the power to delay, gradually release it […]

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Switch off delay circuit by 2N4871

This circuit prevents surges. From the opening – is switched off or power failure. The damage to electrical appliances. The circuit will switch to use a short period before Power raising circuit to go. When raising the power supply 9-volt circuit then. Circuit delay. The duration of charging C1. VR1 is adjusted with time.When C1 […]

Diy surge protector circuits

When has a thunderstorm. Electrical is off, or power surges the extreme, but sometimes we need to use the electrical appliances. And in sensitive electrical appliance damaged easily. Power surges a little. Might make it wastes. In particular surge. At you firstly turn on the switch. Should have the power to delay, gradually release it […]

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