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Step 8Attach the Photoresistors to the Arduino
Attach each photoresistor (light sensor) to the Arduino. There are 4 sensors, for the left, right, front and top of the robot.
The circuit diagram for each light sensor is shown below. One wire of the sensor goes to VCC (power). The other wire connects to the 10K and 100 ohm Resistors. The 10K resistor connects to ground. the 100ohm resistor connects to the input pin. The input (green wire) of each sensor goes to Analog Pins on the mini (A0, A1, A2, A3).
In my code, I have set it up like this:
Analog 0 -> Top Sensor
Analog 1 -> Left Sensor
Analog 2 -> Front Sensor
Analog 3 -> Right Sensor
The circuit diagram for each light sensor is shown below. One wire of the sensor goes to VCC (power). The other wire connects to the 10K and 100 ohm Resistors. The 10K resistor connects to ground. the 100ohm resistor connects to the input pin. The input (green wire) of each sensor goes to Analog Pins on the mini (A0, A1, A2, A3).
In my code, I have set it up like this:
Analog 0 -> Top Sensor
Analog 1 -> Left Sensor
Analog 2 -> Front Sensor
Analog 3 -> Right Sensor
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