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Showing 21-40 of 57 products · 3 unavailable products hidden
Adafruit AHT20 - Temperature Humidity Sensor Breakout Board - STEMMA QT / Qwiic
The Adafruit AHT20 is an affordable I2C temperature and humidity sensor from the makers of the popular DHT22. It delivers reliable readings with standard I2C communication, making it easy to use with any Arduino, Raspberry Pi or other microcontroller. This STEMMA QT version features solderless c...
Adafruit Chainable DS18B20 Extender Breakout - STEMMA JST PH 2mm
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The Adafruit Chainable DS18B20 Extender Breakout makes it easy to connect multiple DS18B20 temperature sensors in a daisy chain using standard STEMMA JST PH 2mm cables. Each breakout includes screw terminal blocks for direct connection of DS18B20 sensors in TO-92 or waterproof cable form — no sol...
Micro:Bit smart Science IoT kit (without Micro:Bit)
The Smart Science IoT Kit from ElecFreaks is a comprehensive sensor and IoT learning kit built around the IoT:bit breakout board for micro:bit. It combines environmental sensors with WiFi connectivity, allowing students to collect real-world data and send it to the cloud for analysis. With senso...
Adafruit Sensirion SHT45 Precision Temperature & Humidity Sensor
The Adafruit Sensirion SHT45 is the highest-accuracy sensor in the SHT4x family, delivering ±1.0% typical relative humidity accuracy and ±0.1 °C typical temperature accuracy. This version does not include a PTFE membrane, making it suitable for clean indoor environments where dust and water prote...
Adafruit Sensirion SHTC3 Temperature Humidity Sensor - STEMMA QT / Qwiic
The Adafruit Sensirion SHTC3 is a compact temperature and humidity sensor with a true I2C interface, offering ±2% relative humidity and ±0.2 °C temperature accuracy. It's a cost-effective option from Sensirion's range, well suited for general-purpose environmental monitoring. The breakout includ...
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Huzzah! Adafruit.io Internet of Things Feather ESP8266 [WiFi Starter Kit]
OK you've signed up for Adafruit.io and you're ready to build something cool and Internet-connected. All you need is this starter kit which will get you going with lots of parts that go very well with our service and are the most common sensors and actuators you may want. Sense light, motion, ...
Adafruit SEN54 or SEN55 Adapter Breakout - STEMMA QT / Qwiic
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The Adafruit SEN54/SEN55 Adapter Breakout lets you quickly connect a Sensirion SEN5x environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding required. The adapter handles the SEN5x's special cable connection and 5 V power req...
Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor
The Adafruit BME280 Breakout is a precision environmental sensor from Bosch that measures temperature, barometric pressure, and humidity in a single package. With its excellent pressure accuracy, it also functions as an altimeter with approximately ±1 metre resolution. The breakout includes a 3....
SparkFun Humidity and Temperature Sensor Breakout - Si7021
A low-cost, highly accurate digital humidity and temperature sensor breakout board based on the Silicon Labs Si7021. Communicates over I²C with just two data lines, providing relative humidity and precise temperature readings for environmental monitoring projects. The breakout includes built-in ...
Adafruit Sensirion SHT45 Precision Temp & Humidity with PTFE
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The Adafruit Sensirion SHT45 is the highest-accuracy sensor in the SHT4x family, delivering ±1.0% typical relative humidity accuracy and ±0.1 °C typical temperature accuracy. Featuring a PTFE membrane for protection against dust and water ingress, it's built for demanding environments and precisi...
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
The BME680 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or SPI. In addition to standard environmental readings, the BME680 includes a sma...
PM2.5 Air Quality Kit (PMSA003 + SHT20)
The PM2.5 Air Quality Kit combines a PMSA003 laser particulate sensor with an SHT20 temperature and humidity sensor in a single M5Stack-compatible module. It measures ambient particulate concentration, temperature, and humidity — making it ideal for air quality monitoring deployments. The PMSA00...
Adafruit BMP388 - Precision Barometric Pressure and Altimeter
The BMP388 from Bosch is a high-precision barometric pressure and temperature sensor, offering significantly improved altitude accuracy over the BMP280. With altitude noise as low as 0.1 metres and a relative accuracy of 8 Pascals (±0.5 m), it is an excellent choice for drone altitude hold, weara...
Adafruit BMP585 Ported I2C / SPI Temperature and Pressure Sensor
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The BMP585 from Bosch is a ported barometric pressure and temperature sensor featuring a tube attachment point for differential or remote pressure measurements. It delivers exceptional precision with altitude noise as low as 1 cm (0.08 Pa), making it one of the most precise pressure sensors in th...
SparkFun CO₂ Humidity and Temperature Sensor - SCD40 (Qwiic)
The SparkFun SCD40 breakout board measures CO₂ concentration, humidity, and temperature using Sensirion's PASens photoacoustic measurement technology. The sensor detects CO₂ from 0 to 40,000 ppm with high accuracy over the 400–2,000 ppm range, and includes an integrated CMOSens temperature and hu...
Sensor ELECFREAKS PlanetX DHT11
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It is sensitive to changes in ambient temperature and humidity and can be used for high-temperature alarms and environmental humidity detection.PlanetX DHT11
Adafruit BNO055 + BMP280 BFF Add-On for QT Py
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The Adafruit BNO055 + BMP280 BFF is a compact add-on board that gives any QT Py or Xiao board powerful 9-degree-of-freedom (9-DoF) motion sensing plus barometric pressure and altitude measurement. It mounts directly onto the back of your QT Py, creating a tiny but capable sensor package. The BNO...
Adafruit Si7021 Temperature Humidity Sensor Breakout Board
The Adafruit Si7021 is a temperature and humidity sensor from Silicon Labs with a PTFE filter for protection against dust and contaminants. It provides ±3% relative humidity accuracy over 0–80% RH and ±0.4 °C temperature accuracy from −10 to +85 °C, all communicated over a simple I2C interface. ...
Adafruit SHT45 Trinkey - USB Temp and Humidity Sensor with PTFE
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The Adafruit SHT45 Trinkey is a tiny USB A device that combines an ATSAMD21 microcontroller with Sensirion's highest-precision SHT45 temperature and humidity sensor, protected by a PTFE filter. Simply plug it into any USB A port on your computer and start reading environmental data — no wiring, s...
SparkFun Atmospheric Sensor Breakout - BME280 (Qwiic)
The BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature from a single compact board. With both Qwiic (I2C) and 0.1″ header connections, it integrates easily into Arduino, Raspberry Pi, and other microcontroller projects — no soldering required when ...
