LCD-LED Display

SIMPLE FLOWER WATERING ALARM WITH LED INDICATOR SCHEMATIC CIRCUIT DIAGRAM

Very simple and fun circuit is an ideal irrigation alarm circuit for flower pots 🙂 Circuit 3 volt battery is working 1 pcs 2N2222 transistor led and two resistor circuit is installed when the water draws in the soil of the flower led on the water is done when the water goes out

SIMPLE FLOWER WATERING ALARM WITH LED INDICATOR SCHEMATIC CIRCUIT DIAGRAM

POWER SUPPLY ATX SMPS DNA1005A PFC DELTA DPS-470 A SCHEMATIC CIRCUIT DIAGRAM 2

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