ldr sensor circuit

Fire Alarm with LDR SensorFire Alarm with LDR Sensor

Fire Alarm with LDR Sensor

This is the fire alarm circuit which use LDR to sense the smoke from the fire, so it can be…

55 years ago
Color DetectorColor Detector

Color Detector

This is the color detector / sensor circuit diagram. This circuit will sense eight colors that are: green, red and…

55 years ago