LDR 555 Schmitt Trigger Auto on at dusk

320

04:22:16

Auto night light with schmitt trigger, the top resistor is the LDR 5k to 50k is bright light, 300k is dark light, this is safe to use with a mechanical relay and won't jitter on a cloudy day

simply lower the 300k ldr to 50k and watch the relay snap off

published 4 years ago

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