{"product_id":"aht20-bmp280-temperature-humidity-pressure-sensor-arduino","title":"AHT20+BMP280 Temperature Humidity Pressure Sensor for Arduino","description":"\n\u003ch2\u003eAHT20 + BMP280 High-Precision Environmental Sensor Module for Arduino\u003c\/h2\u003e\n\u003cp\u003eTake your microcontroller projects to the next level with this combined \u003cstrong\u003eAHT20 + BMP280 sensor module\u003c\/strong\u003e. Designed for makers, engineers, and electronics enthusiasts, this compact board delivers accurate real-time readings of \u003cstrong\u003etemperature, relative humidity, and atmospheric pressure\u003c\/strong\u003e — all in a single, easy-to-connect package compatible with Arduino, Raspberry Pi, and other popular development platforms.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Sensor Design:\u003c\/strong\u003e Combines the AHT20 (temperature \u0026amp; humidity) and BMP280 (barometric pressure \u0026amp; temperature) sensors on one convenient PCB.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Precision Readings:\u003c\/strong\u003e AHT20 delivers ±0.3°C temperature accuracy and ±2% RH humidity accuracy; BMP280 provides pressure resolution down to 0.01 hPa.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Operates from -40°C to +85°C — ideal for indoor climate monitoring, weather stations, and IoT projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Supports 2.0V to 5V supply voltage, making it compatible with 3.3V and 5V microcontroller boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI²C Interface:\u003c\/strong\u003e Simple two-wire communication (SDA\/SCL) for straightforward integration into your Arduino or other I²C-capable projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Small footprint fits neatly on a breadboard or inside an enclosure for embedded builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Ready:\u003c\/strong\u003e Onboard voltage regulation ensures stable performance across supported voltage ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensors:\u003c\/strong\u003e AHT20 (temperature \u0026amp; humidity) + BMP280 (pressure \u0026amp; temperature)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.0V – 5.0V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I²C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY Arduino weather stations\u003c\/li\u003e\n  \u003cli\u003eIoT home automation \u0026amp; climate control\u003c\/li\u003e\n  \u003cli\u003eGreenhouse and grow-room monitoring\u003c\/li\u003e\n  \u003cli\u003eAltitude sensing and outdoor environment logging\u003c\/li\u003e\n  \u003cli\u003eSTEM education and hobbyist electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You Might Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this AHT20+BMP280 sensor module compatible with Arduino and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The module uses a standard I²C interface (SDA\/SCL), making it fully compatible with Arduino boards (Uno, Mega, Nano, etc.), Raspberry Pi, ESP8266, ESP32, and virtually any other microcontroller or single-board computer that supports I²C communication.\u003c\/p\u003e\n\u003ch4\u003eQ: What measurements does this sensor module provide?\u003c\/h4\u003e\n\u003cp\u003eA: This module provides three key environmental measurements: \u003cstrong\u003etemperature\u003c\/strong\u003e (via both AHT20 and BMP280), \u003cstrong\u003erelative humidity\u003c\/strong\u003e (via AHT20), and \u003cstrong\u003eatmospheric pressure\u003c\/strong\u003e (via BMP280). It can also be used for altitude estimation based on barometric pressure readings.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage should I use to power this sensor?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports a wide input voltage range of \u003cstrong\u003e2.0V to 5.0V\u003c\/strong\u003e, so it works with both 3.3V systems (e.g., ESP32, Raspberry Pi) and 5V systems (e.g., Arduino Uno) without any additional level-shifting components.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need special libraries to use this sensor with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: For the AHT20, you can use the widely available Adafruit AHTX0 library. For the BMP280, the Adafruit BMP280 library works perfectly. Both are available directly through the Arduino Library Manager and are well-documented with example sketches to get you started quickly.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this AHT20+BMP280 sensor module compatible with Arduino and Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The module uses a standard I²C interface (SDA\/SCL), making it fully compatible with Arduino boards (Uno, Mega, Nano, etc.), Raspberry Pi, ESP8266, ESP32, and virtually any other microcontroller or single-board computer that supports I²C communication.\"}}, {\"@type\": \"Question\", \"name\": \"What measurements does this sensor module provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module provides three key environmental measurements: temperature (via both AHT20 and BMP280), relative humidity (via AHT20), and atmospheric pressure (via BMP280). 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