Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a temperature sensor, a buzzer, a TDS sensor, a SparkFun soil moisture sensor, and a soil moisture interceptor. The circuit is designed to monitor environmental parameters such as temperature, soil moisture, and water quality, and it can provide alerts using a buzzer.
Component List
ESP32 (30 pin)
- Description: A versatile microcontroller with 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
Temperature Sensor
- Description: A sensor used to measure temperature.
- Pins: Temp GND Black, Temp VDD Red, Temp DQ Data Yellow
Buzzer
- Description: An audio signaling device.
- Pins: PIN, GND
TDS Sensor
- Description: A sensor used to measure the total dissolved solids in water.
- Pins: AI, GND, 5V
SparkFun Soil Moisture Sensor
- Description: A sensor used to measure the moisture content in the soil.
- Pins: VCC, GND, SIG
Soil Moisture Interceptor
- Description: A device used to interface with the soil moisture sensor.
- Pins: AO, DO, GND, VCC
Wiring Details
ESP32 (30 pin)
Vin is connected to:
- Temp VDD Red (Temperature Sensor)
- 5V (TDS Sensor)
- VCC (Soil Moisture Interceptor)
GND is connected to:
- Temp GND Black (Temperature Sensor)
- GND (TDS Sensor)
- GND (Soil Moisture Interceptor)
- GND (Buzzer)
D27 is connected to:
EN is connected to:
- AO (Soil Moisture Interceptor)
VP is connected to:
D26 is connected to:
- Temp DQ Data Yellow (Temperature Sensor)
D13 is connected to:
- DO (Soil Moisture Interceptor)
Temperature Sensor
Temp VDD Red is connected to:
Temp GND Black is connected to:
Temp DQ Data Yellow is connected to:
Buzzer
PIN is connected to:
GND is connected to:
TDS Sensor
5V is connected to:
GND is connected to:
AI is connected to:
SparkFun Soil Moisture Sensor
VCC is connected to:
- VCC (Soil Moisture Interceptor)
GND is connected to:
- GND (Soil Moisture Interceptor)
Soil Moisture Interceptor
VCC is connected to:
GND is connected to:
AO is connected to:
DO is connected to:
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. Each component is described, and the wiring connections are detailed to ensure proper assembly and functionality of the circuit.