Circuit Documentation

Summary

This document provides a detailed overview of a circuit designed to manage a solar-powered water pump system. The circuit includes various sensors, a relay module, a microcontroller, and a solar charge controller. The system is designed to monitor water flow, pH levels, and water levels, and to control a water pump based on these parameters.

Component List

1. Arduino 101

   • Description: A microcontroller board based on the Intel Curie module.
   • Pins: A5/SCL, A4/SDA, AREF, GND, D13/SCK, D12/MISO, D11 PWM/MOSI, D10 PWM/SS, D9 PWM, D8, D7, D6 PWM, D5 PWM, D4, D3 PWM, D2, D1/TX, D0/RX, AIN, ioref, RESET, 3V3, 5V, VIN, A0, A1, A2, A3, ICSP MISO, ICSP SCK, ICSP MOSI

2. ESP8266

   • Description: A low-cost Wi-Fi microchip with full TCP/IP stack and microcontroller capability.
   • Pins: 3V, G, D8, D7, D6, D5, D4, D3, D2, D1, D0, A0, S3, S2, S1, SC, S0, SK, EN, VIN, RST, VU

3. Solar Panel

   • Description: A device that converts sunlight into electrical energy.
   • Pins: +, -

4. NPN Transistor (EBC)

   • Description: A type of bipolar junction transistor used for switching and amplification.
   • Pins: emitter, base, collector

5. 2 Channel Relay Module

   • Description: A module with two relays for controlling high voltage devices.
   • Pins: N.O. 2, COM 2, N.C. 2, N.O. 1, COM 1, N.C. 1, pin 7, pin 8, pin 9, pin 10, pin 11, pin 12, VCC+, VCC- (GND), IN 1, IN 2

6. Li-ion 18650 Battery

   • Description: A rechargeable lithium-ion battery.
   • Pins: -, +

7. Resistor (200 Ohms)

   • Description: A passive electrical component that provides resistance to the flow of current.
   • Pins: pin1, pin2

8. YF-S201 Water Flow Meter

   • Description: A sensor used to measure the flow rate of water.
   • Pins: SIG, GND, VCC

9. Water Pump

   • Description: A device used to move water.
   • Pins: positive, negative

10. Solar Charge Controller

    • Description: A device that manages the power going into the battery bank from the solar array.
    • Pins: Solar Cell +, Solar Cell -, Battery +, Battery -, Load +, Load -

11. pH Degree Sensor Module

    • Description: A sensor module used to measure the pH level of a solution.
    • Pins: pH Negative, pH Positive, pH A

12. AD8232 Gravity Sensor

    • Description: A sensor used for measuring heart rate.
    • Pins: GND, Analog Out, VCC

13. HC-SR04 Ultrasonic Sensor

    • Description: A sensor used for measuring distance using ultrasonic waves.
    • Pins: VCC, TRIG, ECHO, GND

Wiring Details

Arduino 101

• 5V: Connected to VCC of YF-S201 Water Flow Meter, pH Positive of pH Degree Sensor Module, Battery + of Solar Charge Controller, N.O. 2 and COM 2 of 2 Channel Relay Module, positive of Water Pump, + of Li-ion 18650 Battery, and VCC of HC-SR04 Ultrasonic Sensor.
• GND: Connected to GND of YF-S201 Water Flow Meter, pH Negative of pH Degree Sensor Module, Battery - of Solar Charge Controller, negative of Water Pump, - of Li-ion 18650 Battery, and GND of HC-SR04 Ultrasonic Sensor.
• D9 PWM: Connected to IN 2 of 2 Channel Relay Module.
• D8: Connected to IN 1 of 2 Channel Relay Module.
• D4: Connected to ECHO of HC-SR04 Ultrasonic Sensor.
• D3 PWM: Connected to TRIG of HC-SR04 Ultrasonic Sensor.
• D2: Connected to SIG of YF-S201 Water Flow Meter.
• A1: Connected to pH A of pH Degree Sensor Module.

ESP8266

• No connections specified in the net list.

Solar Panel

• +: Connected to Solar Cell + of Solar Charge Controller.
• -: Connected to Solar Cell - of Solar Charge Controller.

NPN Transistor (EBC)

• No connections specified in the net list.

2 Channel Relay Module

• N.O. 2: Connected to 5V of Arduino 101.
• COM 2: Connected to 5V of Arduino 101.
• IN 2: Connected to D9 PWM of Arduino 101.
• IN 1: Connected to D8 of Arduino 101.

Li-ion 18650 Battery

• +: Connected to 5V of Arduino 101.
• -: Connected to GND of Arduino 101.

Resistor (200 Ohms)

• No connections specified in the net list.

YF-S201 Water Flow Meter

• VCC: Connected to 5V of Arduino 101.
• GND: Connected to GND of Arduino 101.
• SIG: Connected to D2 of Arduino 101.

Water Pump

• positive: Connected to 5V of Arduino 101.
• negative: Connected to GND of Arduino 101.

Solar Charge Controller

• Battery +: Connected to 5V of Arduino 101.
• Battery -: Connected to GND of Arduino 101.
• Solar Cell +: Connected to + of Solar Panel.
• Solar Cell -: Connected to - of Solar Panel.

pH Degree Sensor Module

• pH Positive: Connected to 5V of Arduino 101.
• pH Negative: Connected to GND of Arduino 101.
• pH A: Connected to A1 of Arduino 101.

AD8232 Gravity Sensor

• No connections specified in the net list.

HC-SR04 Ultrasonic Sensor

• VCC: Connected to 5V of Arduino 101.
• GND: Connected to GND of Arduino 101.
• ECHO: Connected to D4 of Arduino 101.
• TRIG: Connected to D3 PWM of Arduino 101.

Code

No code provided for this circuit.

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This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. Each component is described, and its connections are detailed to ensure proper assembly and functionality of the circuit.