Description

The ESP32 Soil Temperature and Humidity Module with 18650 Battery Holder is an all-in-one IoT development board designed for wireless environmental monitoring projects. Equipped with the DHT11 sensor, it accurately measures temperature and humidity, making it ideal for greenhouse control, smart gardens, and automated irrigation systems.

Powered by the ESP32-WROOM-32D microcontroller, this module features built-in WiFi and Bluetooth connectivity, allowing seamless integration with cloud platforms and mobile apps. The CP2104 USB-to-TTL communication chip ensures stable data transfer, while the 18650 battery holder provides portable, long-lasting power for remote applications.

This module simplifies smart farming and IoT prototyping, combining multiple sensors and power management into a compact, reliable design for Arduino, ESPHome, and Home Assistant integrations.

Specifications

Model: ESP32 DHT11 CP2104 WiFi Bluetooth Module
Microcontroller: ESP32-WROOM-32D
Sensors: DHT11 temperature and humidity sensor
Communication Chip: CP2104 USB-to-TTL
Interface: Micro USB port
Connectivity: WiFi (802.11 b/g/n) + Bluetooth 4.2
Power Source: 18650 lithium battery holder (battery not included)
Operating Voltage: 3.3V – 5V
Applications: Smart farming, environmental monitoring, IoT automation, data logging