{"product_id":"aht20-bmp280-temperature-humidity-air-pressure-sensor-module-high-precision-i2c-2-5v-for-arduino-raspberry-pi","title":"AHT20+BMP280 Temperature Humidity Air Pressure Sensor Module High-Precision I2C 2-5V for Arduino Raspberry Pi","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAnalog Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eAHT20+BMP280 Temperature Humidity Air Pressure Sensor Module High-Precision I2C 2-5V for Arduino Raspberry Pi\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eKey Features \u0026amp; Benefits\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e🌡️ 2‑in‑1 Sensor: Temperature, humidity, and barometric pressure.\u003cbr\u003e\u003cbr\u003e📊 High Precision: AHT20: ±0.3℃, ±2% RH; BMP280: ±1 hPa.\u003cbr\u003e\u003cbr\u003e🔌 I2C Interface: Only 4 wires (VCC, GND, SCL, SDA).\u003cbr\u003e\u003cbr\u003e🔋 Wide Voltage: 2.0-5V – works with 3.3V or 5V systems.\u003cbr\u003e\u003cbr\u003e🧩 Ultra‑Compact: 16×16mm, 4P GROVE connector.\u003cbr\u003e\u003cbr\u003e💻 Library Support: Arduino examples available.\u003cbr\u003e\u003cbr\u003e📍 Applications: Weather stations, indoor monitoring, drone altitude hold.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eProduct Description\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eNeed to monitor temperature, humidity, and air pressure simultaneously? AHT20+BMP280 2‑in‑1 sensor module is the perfect choice. Combines AHT20 (temp\/humidity) and BMP280 (pressure). Digital I2C output, 2.0-5V power. Tiny 16×16mm board with 4P GROVE connector. Arduino examples included. Ideal for weather stations, drone altimeters, indoor air quality monitors.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e⚡ Quick Start Guide \u0026amp; Important Tips\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S402efe9fa2354827994d0d1a3a062ce1x.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e⚠️ Important:\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eI2C addresses: AHT20 = 0x38, BMP280 = 0x76.\u003cbr\u003e\u003cbr\u003eVoltage: 2.0-5V, do not exceed 5.5V.\u003cbr\u003e\u003cbr\u003ePull‑up resistors: Module may have internal pull‑ups; if unstable, add 4.7kΩ to VCC.\u003cbr\u003e\u003cbr\u003eConnector: 4P GROVE (1.27mm) or 2.54mm header – solder your own pins if needed.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e🔹 Arduino Example Code\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e#include \u0026lt;Wire.h\u0026gt;\u003cbr\u003e#include \u0026lt;Adafruit_AHTX0.h\u0026gt;\u003cbr\u003e#include \u0026lt;Adafruit_BMP280.h\u0026gt;\u003cbr\u003eAdafruit_AHTX0 aht;\u003cbr\u003eAdafruit_BMP280 bmp;\u003cbr\u003evoid setup() {\u003cbr\u003eSerial.begin(9600);\u003cbr\u003eaht.begin();\u003cbr\u003ebmp.begin(0x76);\u003cbr\u003e}\u003cbr\u003evoid loop() {\u003cbr\u003esensors_event_t humidity, temp;\u003cbr\u003eaht.getEvent(\u0026amp;humidity, \u0026amp;temp);\u003cbr\u003eSerial.print(\"Temp: \"); Serial.print(temp.temperature);\u003cbr\u003eSerial.print(\" ℃, Humidity: \"); Serial.print(humidity.relative_humidity);\u003cbr\u003eSerial.print(\" %, Pressure: \"); Serial.print(bmp.readPressure() \/ 100.0);\u003cbr\u003eSerial.println(\" hPa\");\u003cbr\u003edelay(1000);\u003cbr\u003e}\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e🔹 Common Questions\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e❓ No data?\u003cbr\u003eCheck I2C wiring, power (2-5V), run I2C scanner for 0x38 and 0x76.\u003cbr\u003e\u003cbr\u003e❓ Fluctuating readings?\u003cbr\u003eAvoid heat\/airflow sources, add averaging, ensure stable power.\u003cbr\u003e\u003cbr\u003e❓ Need to solder pins?\u003cbr\u003eModule has GROVE or pad holes – solder your own pins or use GROVE cable.\u003cbr\u003e\u003cbr\u003e❓ BMP280 address?\u003cbr\u003eDefault 0x76.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eSpecifications\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eChips: AHT20 + BMP280\u003cbr\u003e\u003cbr\u003eVoltage: DC 2.0V – 5V\u003cbr\u003e\u003cbr\u003eInterface: I2C (SCL, SDA)\u003cbr\u003e\u003cbr\u003eTemp Accuracy: ±0.3℃\u003cbr\u003e\u003cbr\u003eHumidity Accuracy: ±2% RH\u003cbr\u003e\u003cbr\u003ePressure Accuracy: ±1 hPa\u003cbr\u003e\u003cbr\u003eDimensions: 16×16×3mm\u003cbr\u003e\u003cbr\u003eConnector: 4P GROVE\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3776ed0b0bea4aab807591ae5407b319f.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eNote: Manual measurement, allow 1‑3mm error. Colors may vary.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"DrpoSR","offers":[{"title":"sensor \/ China Mainland","offer_id":49636511645911,"sku":"14:496#sensor;200007763:201336100","price":272.87,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/7534\/3319\/files\/Sdc7a36e2f56f4bb893f3b71d13482a48x.webp?v=1787659682","url":"https:\/\/www.dropsr.com\/products\/aht20-bmp280-temperature-humidity-air-pressure-sensor-module-high-precision-i2c-2-5v-for-arduino-raspberry-pi","provider":"DrpoSR","version":"1.0","type":"link"}