{"product_id":"wifi-node-module-temperature-and-humidity-sensor-dht11-dc-3-7v-12v-lithium-battery-compatible-25mm-x-21mm-small-3-8g-0-50-c-20-90-rh-measurement-range-for-smart-home-monitoring-system","title":"WiFi Node Module Temperature and Humidity Sensor DHT11 DC 3.7V-12V Lithium Battery Compatible 25mm x 21mm Small 3.8g 0-50°C 20-90%RH Measurement Range for Smart Home Monitoring System","description":"\u003ch1\u003eWiFi Node Module with DHT11 Sensor for Temperature and Humidity Monitoring\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/1d06afb3-2855-4b14-8535-50c10acbbaf3_fine.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis WiFi node module provides a straightforward solution for integrating temperature and humidity sensing into smart home or IoT projects without complicated wiring. The included DHT11 sensor measures temperature from 0°C to 50°C and relative humidity from 20% to 90%RH, offering practical data for environmental control, greenhouse monitoring, or equipment oversight. Its compact dimensions of 25mm x 21mm and light weight of 3.8g allow placement in tight spaces, and the wide operating voltage range of DC 3.7V to 12V, including 3.7V lithium battery support, means you can power it via a standard supply or battery for portable use. This module is designed for users who need a simple, single-point sensor node that connects over WiFi to a central system.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/2e9746ac-62ff-46d3-877b-54febd2f5fb3_trans.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe module integrates essential sensing and connectivity components into a small footprint. Its construction focuses on practical sensor integration rather than complex peripherals.\u003c\/p\u003e\u003ch3\u003eSensor and Accuracy\u003c\/h3\u003e\u003cp\u003eThe DHT11 sensor provides digital readings of temperature and humidity with a measurement range of 0-50°C and 20-90%RH. This covers common indoor and mild outdoor conditions, making it suitable for home automation, storage area monitoring, and basic agricultural tasks.\u003c\/p\u003e\u003ch3\u003ePower and Compatibility\u003c\/h3\u003e\u003cp\u003eThe module accepts DC power from 3.7V to 12V, which includes compatibility with standard 3.7V lithium batteries. This flexibility allows both stationary setups with a mains adapter and portable applications where battery operation is needed, such as in monitoring remote equipment or temporary installations.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/5e1a71d2-2844-42fa-980b-79fec9454c78.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis module is intended for use in wireless sensor networks where the host controller reads data over WiFi. Its small size simplifies integration into existing enclosures or surface-mount setups.\u003c\/p\u003e\u003ch3\u003eSmart Home Automation\u003c\/h3\u003e\u003cp\u003eIn a home environment, this node can monitor room temperature and humidity, feeding data to a hub that controls heating, ventilation, or dehumidifiers. The compact size allows discreet placement on shelves, in plant rooms, or behind furniture.\u003c\/p\u003e\u003ch3\u003eEquipment and Environment Monitoring\u003c\/h3\u003e\u003cp\u003eFor workshops, server rooms, or greenhouses, the module provides real-time environmental data. The wide voltage range lets you power it from existing 12V systems or battery backups, ensuring continuous monitoring during power fluctuations.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/6b3f372a-9cff-42a7-bf61-8f86cf7634c4.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis product offers a cost-effective entry point for adding environmental sensing to a WiFi-connected system. Its simplicity reduces setup time and maintenance overhead.\u003c\/p\u003e\u003ch3\u003eEase of Integration\u003c\/h3\u003e\u003cp\u003eWith standard WiFi connectivity and a common DHT11 sensor, this module works with many popular IoT platforms and microcontrollers. No soldering of complex sensor arrays is required, just a power connection and network pairing.\u003c\/p\u003e\u003ch3\u003eCompact and Lightweight Design\u003c\/h3\u003e\u003cp\u003eAt 25mm x 21mm and only 3.8g, the module occupies minimal space and adds negligible weight to any fixture. This makes it ideal for retrofitting into existing systems or embedding in prototype projects where size constraints are a concern.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/8bdf4524-5d8d-4f21-bab8-0b23997e39e7.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/d1363366-559e-4c02-a3e3-025ec120a0f3_fine.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/eb17e748-659a-4cf2-aff2-52b3365b2fc0_fine.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/f201334d-d16e-4c3e-a774-ef0cc5f06382_fine.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"WiFi node module with DHT11 temperature and humidity sensor on a light background\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/961\/2025-09-28\/original-image\/f6a98dd6-b193-4947-b680-20e6c629247c.webp\"\u003e\u003c\/div\u003e","brand":"mvq5jp-sd","offers":[{"title":"Node Module \/ Power Module \/ 1","offer_id":57934770176331,"sku":"CJYD187103701AZ","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1049\/9968\/2379\/files\/2e9746ac-62ff-46d3-877b-54febd2f5fb3_trans.webp?v=1784865616","url":"https:\/\/celovian.com\/products\/wifi-node-module-temperature-and-humidity-sensor-dht11-dc-3-7v-12v-lithium-battery-compatible-25mm-x-21mm-small-3-8g-0-50-c-20-90-rh-measurement-range-for-smart-home-monitoring-system","provider":"Celovian.com","version":"1.0","type":"link"}