Circuit Documentation

Summary

This document provides a detailed overview of a circuit that integrates an ESP8266 NodeMCU microcontroller, a GPS NEO 6M module, an HC-SR04 Ultrasonic Sensor, and a Micro Servo 9G. The circuit is designed to utilize the ESP8266 NodeMCU for processing data from the GPS and Ultrasonic Sensor, and to control the Micro Servo. The document includes a component list, wiring details, and code documentation.

Component List

ESP8266 NodeMCU

• Description: A low-cost Wi-Fi microcontroller with GPIO, ADC, and other interfaces.
• Pins: D0, D1, D2, D3, D4, 3V3, GND, D5, D6, D7, D8, RX, TX, A0, RSV, SD3, SD2, SD1, CMD, SD0, CLK, EN, RST, VIN

GPS NEO 6M

• Description: A GPS module used for obtaining location data.
• Pins: VCC, RX, TX, GND

HC-SR04 Ultrasonic Sensor

• Description: An ultrasonic sensor used for distance measurement.
• Pins: VCC, TRIG, ECHO, GND

Micro Servo 9G

• Description: A small servo motor used for precise control of angular position.
• Pins: GND, +5V, PWM

Wiring Details

ESP8266 NodeMCU

• D1: Connected to TX of GPS NEO 6M
• D2: Connected to RX of GPS NEO 6M
• D5: Connected to TRIG of HC-SR04 Ultrasonic Sensor
• D6: Connected to ECHO of HC-SR04 Ultrasonic Sensor
• D7: Connected to PWM of Micro Servo 9G
• GND: Connected to GND of GPS NEO 6M, HC-SR04 Ultrasonic Sensor, and Micro Servo 9G
• VIN: Connected to VCC of GPS NEO 6M, HC-SR04 Ultrasonic Sensor, and +5V of Micro Servo 9G

GPS NEO 6M

• TX: Connected to D1 of ESP8266 NodeMCU
• RX: Connected to D2 of ESP8266 NodeMCU
• GND: Connected to GND of ESP8266 NodeMCU, HC-SR04 Ultrasonic Sensor, and Micro Servo 9G
• VCC: Connected to VIN of ESP8266 NodeMCU

HC-SR04 Ultrasonic Sensor

• TRIG: Connected to D5 of ESP8266 NodeMCU
• ECHO: Connected to D6 of ESP8266 NodeMCU
• GND: Connected to GND of ESP8266 NodeMCU, GPS NEO 6M, and Micro Servo 9G
• VCC: Connected to VIN of ESP8266 NodeMCU

Micro Servo 9G

• PWM: Connected to D7 of ESP8266 NodeMCU
• GND: Connected to GND of ESP8266 NodeMCU, GPS NEO 6M, and HC-SR04 Ultrasonic Sensor
• +5V: Connected to VIN of ESP8266 NodeMCU

Code Documentation

There is no code provided for this circuit. If code is added in the future, it should be documented here with detailed explanations of its functionality and how it interacts with the hardware components.

---

This document provides a comprehensive overview of the circuit, including the components used and their interconnections. For further details or modifications, please refer to the specific datasheets of the components and the ESP8266 NodeMCU programming guide.