Circuit Documentation

Summary

This circuit consists of a red LED, a 9V battery, and a KY-037 microphone module. The LED is controlled by the digital output of the microphone module, and the entire circuit is powered by the 9V battery.

Component List

1. LED: Two Pin (red)

   • Description: A standard red LED with two pins: anode and cathode.
   • Pins: cathode, anode

2. 9V Battery

   • Description: A 9V battery used to power the circuit.
   • Pins: -, +

3. KY-037 Microphone

   • Description: A microphone module with both analog and digital outputs.
   • Pins: Analog output, Ground, VCC, Digital output

Wiring Details

LED: Two Pin (red)

• Cathode: Connected to the ground of the 9V battery and the ground pin of the KY-037 microphone.
• Anode: Connected to the digital output of the KY-037 microphone.

9V Battery

• Negative (-): Connected to the cathode of the LED and the ground pin of the KY-037 microphone.
• Positive (+): Connected to the VCC pin of the KY-037 microphone.

KY-037 Microphone

• Ground: Connected to the cathode of the LED and the negative terminal of the 9V battery.
• VCC: Connected to the positive terminal of the 9V battery.
• Digital output: Connected to the anode of the LED.

Code

There is no microcontroller code provided for this circuit.