Circuit Documentation
Summary
This document provides a detailed overview of a circuit consisting of an Arduino Leonardo microcontroller, a servo motor, an ultrasonic sensor, a 12V fan, and a 12V 5Ah battery. The circuit is designed to control the fan and servo motor based on inputs from the ultrasonic sensor, with the Arduino Leonardo serving as the central controller.
Component List
Servo
- Description: A standard servo motor used for precise control of angular position.
- Pins: GND, VCC, PWM
Arduino Leonardo (Rev3b)
- Description: A microcontroller board based on the ATmega32u4, used for various control and sensing applications.
- Pins: D0/RX, D1/TX, D2/SDA, D3 PWM/SCL, D4/A6, D5 PWM, D6 PWM/A7, D7, n.c., IOREF, RESET, 3V3, 5V, GND, VIN, A0, A1, A2, A3, A4, A5, D8/A8, D9 PWM/A9, D10 PWM/A10, D11 PWM, D12/A11, D13 PWM, AREF, SDA, SCL
HC-SR04 Ultrasonic Sensor
- Description: An ultrasonic sensor used for distance measurement.
- Pins: VCC, TRIG, ECHO, GND
120 Fan 12V
- Description: A 12V fan used for cooling purposes.
- Pins: 12V+, GND
12V 5Ah Battery
- Description: A 12V battery used to power the fan.
- Pins: 12v +, 12v -
Wiring Details
Servo
- GND: Not connected
- VCC: Not connected
- PWM: Not connected
Arduino Leonardo (Rev3b)
- D0/RX: Not connected
- D1/TX: Not connected
- D2/SDA: Not connected
- D3 PWM/SCL: Not connected
- D4/A6: Not connected
- D5 PWM: Not connected
- D6 PWM/A7: Not connected
- D7: Not connected
- n.c.: Not connected
- IOREF: Not connected
- RESET: Not connected
- 3V3: Not connected
- 5V: Not connected
- GND: Not connected
- VIN: Not connected
- A0: Not connected
- A1: Not connected
- A2: Not connected
- A3: Not connected
- A4: Not connected
- A5: Not connected
- D8/A8: Not connected
- D9 PWM/A9: Not connected
- D10 PWM/A10: Not connected
- D11 PWM: Not connected
- D12/A11: Not connected
- D13 PWM: Not connected
- AREF: Not connected
- SDA: Not connected
- SCL: Not connected
HC-SR04 Ultrasonic Sensor
- VCC: Not connected
- TRIG: Not connected
- ECHO: Not connected
- GND: Not connected
120 Fan 12V
- 12V+: Connected to 12v + of 12V 5Ah Battery
- GND: Connected to 12v - of 12V 5Ah Battery
12V 5Ah Battery
- 12v +: Connected to 12V+ of 120 Fan 12V
- 12v -: Connected to GND of 120 Fan 12V
Documented Code
Arduino Leonardo (Rev3b) Code
sketch.ino
void setup() {
}
void loop() {
}
documentation.txt