The LM358 operational amplifier can be used to amplify the small current generated by a photodiode in response to light. By configuring the LM358 in a transimpedance amplifier setup, the photodiode's current can be converted into a measurable voltage output. This output can then be used to control other devices, such as LEDs or motors, based on the intensity of light detected by the photodiode. Additionally, incorporating feedback resistors allows for tuning the gain and response time of the circuit.
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