Simple Transistor Latch Circuit + Easy Free Circuit Simulator
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Quick video here showing you how to build a simple transistor latch circuit using two transistors and a few resistors. Useful for latching polled digital inputs, so you don't 'miss' them in case they're a bit too quick for you. Could also be used as a standalone circuit for alarms, ON/OFF control of circuits, etc... This is a text-book classic circuit - nothing special here, but useful to have in your 'tool-box'.
P-CH MOSFET VP2106:
N-CH MOSFET 2N7000:
The Simulator Here:
The link to the circuit shown in the...