ESP32 DHT11 CP2104 WiFi Bluetooth Soil Moisture Temperature and Humidity Sensor Module

The ESP32 DHT11 CP2104 Sensor Module is an integrated IoT development board designed for smart agriculture, plant monitoring, environmental sensing, and wireless monitoring applications. It combines an ESP32 microcontroller with built-in WiFi and Bluetooth connectivity, a DHT11 temperature and humidity sensor, and a soil moisture sensing section on a single compact PCB.

The onboard CP2104 USB-to-UART converter enables easy programming and serial communication through the Micro USB interface. The module supports development using the Arduino IDE and ESP32 programming frameworks, making it suitable for students, hobbyists, engineers, and IoT developers.

With support for wireless data transmission and battery-powered operation on compatible versions, this module can be used to develop smart plant monitoring systems, greenhouse monitoring devices, and automated irrigation projects.

Features:

• ESP32 Microcontroller: Provides processing capabilities and integrated wireless connectivity for IoT applications.
• WiFi and Bluetooth: Enables wireless communication with compatible devices, dashboards, and IoT systems.
• DHT11 Sensor: Measures ambient temperature and relative humidity.
• Soil Moisture Detection: Monitors soil moisture levels for plant care and irrigation projects.
• CP2104 USB-to-UART Converter: Simplifies firmware uploading and serial debugging.
• Micro USB Interface: Provides convenient programming and USB power input.
• Battery Holder Support: Compatible versions include a holder for a single 18650 lithium-ion cell for portable operation. Battery is not included unless specified.
• Arduino Compatible: Suitable for Arduino IDE and ESP32-based development projects.
• Integrated Design: Combines the controller and sensing components to simplify IoT prototyping.

Specifications:

• Product Type: ESP32 IoT Sensor Development Module
• Microcontroller: ESP32
• Wireless Connectivity: WiFi and Bluetooth
• Temperature Sensor: DHT11
• Temperature Measurement Range: Typically 0°C to 50°C
• Humidity Measurement Range: Typically 20% to 90% RH
• Soil Sensing: Integrated soil moisture sensing section
• USB-to-Serial Converter: CP2104
• USB Interface: Micro USB
• Programming Platform: Arduino IDE and ESP32-compatible frameworks
• Logic Voltage: 3.3V
• USB Power Input:Typically 5V via Micro USB
• Battery Support: Single 18650 Li-ion cell on compatible versions

Applications:

• Smart Plant Monitoring: Monitor soil moisture, ambient temperature, and humidity around plants.
• Smart Agriculture: Develop wireless sensor nodes for agricultural and gardening projects.
• Greenhouse Monitoring: Track environmental conditions to support plant growth.
• Automatic Irrigation: Use programmed moisture thresholds to control a compatible pump or relay.
• IoT Development: Send sensor readings to dashboards, cloud platforms, or compatible applications.
• Engineering Projects: Build ESP32-based prototypes for college projects, demonstrations, and embedded-system learning.
• Home Gardening: Develop connected plant-care and soil monitoring systems.

Package Includes:

• 1 × ESP32 DHT11 CP2104 WiFi Bluetooth Soil Moisture, Temperature & Humidity Sensor Module