PCB and Schematic Single button ON OFF toggle with discrete transistors | Long Technical
PCB and Schematic here:
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https://drive.google.com/drive/folder...
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This circuit allows the switching appliances (loads) on and off with one momentary button. Once you press it, it turns on, press again to turn off. Usually this is built with binary divider or 555, but the disadvantage is the current consumption in OFF state and that this way is complicated. So I designed circuit without integrated circuits, with transistors only. In the off state it draws no current, because both transistors are closed. It is therefore suitable for battery power.
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