You can switch ON the “Snooze” function by pressing the S1 button and add a desired delay to the connected alarm The alarm is muted for some time so that […]

Working in a darkroom is always fraught with problems. You surely know Murphys Law of; but Let’s not go into that here. Suffice it to say that normal lights cannot […]

This Multi-function timer circuit can be used to generate many different timing outputs at different desired ranges. A timer is practically unachievable without IC 555 or counter ICs along the […]