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Photosensitive Detection Light Sensitive Switch Resistance Sensor Module Arduino Robot LM393

Photosensitive Resistance Sensor for the Arduino allows you to detect the environment around your Arduino whether it’s a robot or some other type of project.


1 x Photosensitive Resistance Sensor Module

Approximate Dimensions

Length: 3.2cm

Width: 1.4cm

Module features

1. A photosensitive resistance sensor

2. The comparator output, signal clean, good waveform, driving ability is strong, for more than 15mA

3. With a potentiometer sensitivity adjustment

4. The working voltage of 3.3 V to 5 V

5. The output from DO Digital switch output (0 and 1) and AO analog voltage output

6. A fixed bolt hole, convenient installation

7. Small board PCB size: 3.2 cm x 1.4 cm

8. Using the LM393 wide voltage comparator

Module instructions

1. The photosensitive resistance module’s most sensitive to ambient light generally used to detect the environment around the brightness of the light, or MCU trigger relay module, etc.;

2. module in the environment light intensity short of setting threshold, output high level DO end, when the environment light intensity more than a set threshold, output DO low level;

3. the DO output can be attached directly to the single-chip microcomputer, through a single-chip microcomputer to detect the high and low level, thus to detect the environment light intensity change;

4. The DO output can be directly driven by our relay module, which can form a light-operated switch.

5. small plate analog output AO and AD module, through the AD conversion, can obtain more accurate values of environmental light;

Product connection details

1. VCC power supply positive

2. GND connect power cathode

3. DO TTL switch signal output

4. AO analog signal output

Weight 30 g
Dimensions 260 × 160 × 20 mm


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