Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a micro servo, a water sensor, an LCD display, a DHT11 temperature and humidity sensor, a 9V battery, and a touch sensor. The circuit is designed to interface these components with the ESP32 to perform various sensing and actuation tasks.

Component List

1. ESP32 (30 pin)

   • Description: A powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities.
   • Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, Vin, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3

2. Micro servo 9G

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

3. Water sensor

   • Description: A sensor used to detect the presence of water.
   • Pins: Signal, VCC, GND

4. MKE-M07 LCD1602 I2C

   • Description: A 16x2 character LCD display with I2C interface.
   • Pins: GND, 5V, SDA, SCL

5. DHT11

   • Description: A temperature and humidity sensor.
   • Pins: DATA, GND, VCC

6. 9V Battery

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

7. Touch Sensor TTP233

   • Description: A touch sensor used to detect touch input.
   • Pins: GND, I/O, VCC

Wiring Details

ESP32 (30 pin)

• D34: Connected to Touch Sensor TTP233 I/O
• D32: Connected to Water sensor Signal
• D13: Connected to Micro servo 9G PWM
• GND: Connected to GND of MKE-M07 LCD1602 I2C, Touch Sensor TTP233, Water sensor, 9V Battery, DHT11, and Micro servo 9G
• Vin: Connected to 5V of MKE-M07 LCD1602 I2C, VCC of Touch Sensor TTP233, + of 9V Battery, and +5V of Micro servo 9G
• D22: Connected to MKE-M07 LCD1602 I2C SCL
• D21: Connected to MKE-M07 LCD1602 I2C SDA
• D15: Connected to DHT11 DATA
• 3V3: Connected to VCC of Water sensor and DHT11

Micro servo 9G

• GND: Connected to ESP32 GND
• +5V: Connected to ESP32 Vin
• PWM: Connected to ESP32 D13

Water sensor

• Signal: Connected to ESP32 D32
• VCC: Connected to ESP32 3V3
• GND: Connected to ESP32 GND

MKE-M07 LCD1602 I2C

• GND: Connected to ESP32 GND
• 5V: Connected to ESP32 Vin
• SDA: Connected to ESP32 D21
• SCL: Connected to ESP32 D22

DHT11

• DATA: Connected to ESP32 D15
• GND: Connected to ESP32 GND
• VCC: Connected to ESP32 3V3

9V Battery

• -: Connected to ESP32 GND
• +: Connected to ESP32 Vin

Touch Sensor TTP233

• GND: Connected to ESP32 GND
• I/O: Connected to ESP32 D34
• VCC: Connected to ESP32 Vin

Code

No code is 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 in detail, and the wiring connections are clearly outlined to ensure proper assembly and functionality of the circuit.