Circuit Documentation

Summary

This document provides a detailed overview of a circuit design that includes various components such as an NRF24L01 wireless module, a 12V 200Ah battery, electronic speed controllers (ESCs), a rocker switch, capacitors, BLDC motors, sensors, an Arduino Mega 2560, and other components. The circuit is designed to interface these components to achieve a specific functionality, which is controlled by the Arduino Mega 2560 microcontroller.

Component List

NRF24L01

• Description: Wireless communication module
• Pins: IRQ (not used), MOSI, CSN, VCC (3V), GND, CE, SCK, MISO

12V 200Ah Battery

• Description: Power source
• Pins: GND, 12V

Electronic Speed Controller (ESC)

• Description: Controls the speed of BLDC motors
• Pins: Battery VCC, Battery GND, Signal, 5V out, GND out, M1, M2, M3

Rocker Switch

• Description: On/Off switch
• Pins: 1, 2

Electrolytic Capacitor

• Description: Capacitor with 0.0001 Farads capacitance
• Pins: -, +

Ceramic Capacitor

• Description: Capacitor with 0.0000001 Farads capacitance
• Pins: pin0, pin1

BLDC Motor

• Description: Brushless DC motor
• Pins: Wire A, Wire B, Wire C

DHT11 Humidity and Temperature Sensor

• Description: Sensor for measuring humidity and temperature
• Pins: VDD, DATA, NULL, GND

JSN-SR04T Sensor

• Description: Ultrasonic distance sensor
• Pins: 5V, TRIG, ECHO, GND

Red Light 220VAC

• Description: Indicator light
• Pins: -, +

Power LED 12V 10W 0.8-0.9A

• Description: High-power LED
• Pins: +, -

MRB Planetary Gearbox Motor

• Description: Motor with planetary gearbox
• Pins: +, -

3.3V Regulator

• Description: Voltage regulator
• Pins: GND, OUT, Vin

GPS NEO 6M

• Description: GPS module
• Pins: VCC, RX, TX, GND

Arduino Mega 2560

• Description: Microcontroller board
• Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D0-D53, AREF, SDA, SCL

5V 8-Channel Relay

• Description: Relay module
• Pins: GND, IN1-IN8, VCC, NC, C, NO

MPU-9250/6500/9255

• Description: 9-axis motion tracking device
• Pins: VCC, GND, SCL/SCLK, SDA/SDI, EDA, ECL, ADO/SDO, INT, NCS, FSYNC

Wiring Details

NRF24L01

• MOSI connected to Arduino Mega 2560 D51
• CSN connected to Arduino Mega 2560 D8 PWM
• VCC (3V) connected to Electrolytic Capacitor +, 3.3V Regulator OUT, Ceramic Capacitor pin1
• GND connected to JSN-SR04T Sensor GND, Electrolytic Capacitor -, MPU-9250/6500/9255 GND, Arduino Mega 2560 GND, Electronic Speed Controller (ESC) GND out, 3.3V Regulator GND, GPS NEO 6M GND, Ceramic Capacitor pin0, DHT11 Humidity and Temperature Sensor GND
• CE connected to Arduino Mega 2560 D7 PWM
• SCK connected to Arduino Mega 2560 D52
• MISO connected to Arduino Mega 2560 D50

12V 200Ah Battery

• GND connected to 5V 8-Channel Relay C, Electronic Speed Controller (ESC) Battery GND
• 12V connected to Rocker Switch 1

Electronic Speed Controller (ESC)

• Battery VCC connected to Power LED 12V 10W 0.8-0.9A +, Red Light 220VAC +, Rocker Switch 2
• Battery GND connected to 12V 200Ah Battery GND
• Signal connected to Arduino Mega 2560 D13 PWM
• 5V out connected to Arduino Mega 2560 VIN, 3.3V Regulator Vin
• GND out connected to Common GND
• M1 connected to BLDC Motor Wire A
• M2 connected to BLDC Motor Wire B
• M3 connected to BLDC Motor Wire C

Rocker Switch

• 1 connected to 12V 200Ah Battery 12V
• 2 connected to Electronic Speed Controller (ESC) Battery VCC

Electrolytic Capacitor

• + connected to NRF24L01 VCC (3V)
• - connected to Common GND

Ceramic Capacitor

• pin0 connected to Common GND
• pin1 connected to NRF24L01 VCC (3V)

BLDC Motor

• Wire A connected to Electronic Speed Controller (ESC) M1
• Wire B connected to Electronic Speed Controller (ESC) M2
• Wire C connected to Electronic Speed Controller (ESC) M3

DHT11 Humidity and Temperature Sensor

• VDD connected to JSN-SR04T Sensor 5V
• DATA connected to Arduino Mega 2560 D25
• GND connected to Common GND

JSN-SR04T Sensor

• 5V connected to DHT11 Humidity and Temperature Sensor VDD
• TRIG connected to Arduino Mega 2560 D23
• ECHO connected to Arduino Mega 2560 D22
• GND connected to Common GND

Red Light 220VAC

• + connected to Electronic Speed Controller (ESC) Battery VCC
• - connected to 5V 8-Channel Relay NO

Power LED 12V 10W 0.8-0.9A

• + connected to Electronic Speed Controller (ESC) Battery VCC
• - connected to 5V 8-Channel Relay NO

MRB Planetary Gearbox Motor

• + connected to 5V 8-Channel Relay C
• - connected to 5V 8-Channel Relay C

3.3V Regulator

• GND connected to Common GND
• OUT connected to NRF24L01 VCC (3V)
• Vin connected to Electronic Speed Controller (ESC) 5V out

GPS NEO 6M

• VCC connected to 5V 8-Channel Relay VCC
• RX connected to Arduino Mega 2560 D18/TX1
• TX connected to Arduino Mega 2560 D19/RX1
• GND connected to Common GND

Arduino Mega 2560

• D51 connected to NRF24L01 MOSI
• D8 PWM connected to NRF24L01 CSN
• GND connected to Common GND
• D7 PWM connected to NRF24L01 CE
• D52 connected to NRF24L01 SCK
• D50 connected to NRF24L01 MISO
• D13 PWM connected to Electronic Speed Controller (ESC) Signal
• VIN connected to Electronic Speed Controller (ESC) 5V out
• D25 connected to DHT11 Humidity and Temperature Sensor DATA
• D23 connected to JSN-SR04T Sensor TRIG
• D22 connected to JSN-SR04T Sensor ECHO
• D18/TX1 connected to GPS NEO 6M RX
• D19/RX1 connected to GPS NEO 6M TX
• 3V3 connected to MPU-9250/6500/9255 VCC
• D21/SCL connected to MPU-9250/6500/9255 SCL/SCLK
• D20/SDA connected to **MPU-9250/