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Showing 21-40 of 82 products · 18 unavailable products hidden
Breadboard-friendly Mini PIR Motion Sensor with 3 Pin Header
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A compact passive infrared (PIR) motion sensor that detects movement from people and animals at distances of 2 to 5 metres. Much smaller than standard PIR modules, this sensor is ideal for unobtrusive projects and plugs directly into a breadboard or perfboard. Powered from 3–12 V DC via an onboa...
![FLORA - Wearable electronic platform: Arduino-compatible [v3]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCRKJJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--4d888a8c33ff40271e66dd3149cfddcb88d2ebb3/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_bde1af31-7ec1-41fd-8266-c6e52761638a.jpg)
FLORA - Wearable electronic platform: Arduino-compatible [v3]
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FLORA is Adafruit's fully-featured wearable electronics platform. It's a round, sewable, Arduino-compatible microcontroller designed to empower amazing wearables projects.FLORA comes with Adafruit's support, tutorials and projects. Check out dozens of FLORA tutorials on the Adafruit Learnin...
Mini Basic PIR Sensor - BL412
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The BL412 is a compact passive infrared (PIR) motion sensor designed for detecting movement from people and animals at distances of approximately 3–8 m. Much smaller than standard PIR modules, it is well suited for unobtrusive projects and fits easily on breadboards or perfboard. The sensor runs...
Adafruit Soil Sensor Kit for micro:bit v2
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This classroom-friendly kit pairs a micro:bit v2.2 with a simple soil sensor so students can monitor a pot plant and learn a bit of programming at the same time. It was designed to work with the "FarmBeats for Students" curriculum, where the micro:bit can show smile and frown status reports to in...
Adafruit STEMMA Soil Sensor - I2C Capacitive Moisture Sensor
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The Adafruit STEMMA Soil Sensor uses capacitive measurement to detect soil moisture — a more durable approach than resistive sensors that corrode over time. With a single probe and no exposed metal, it avoids oxidation issues and won't introduce DC currents into your plants. The ATSAMD10 microco...
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
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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...
Adafruit BME688 - Temperature, Humidity, Pressure and Gas Sensor
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The BME688 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. The BME688 is a drop-in replacement for the BME680, adding a programmable...
Adafruit LTR-329 Light Sensor - STEMMA QT / Qwiic
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The Adafruit LTR-329 is a low-cost I2C digital light sensor that provides 16-bit measurements for both infrared and visible+IR spectrums. Subtract one from the other to get human-visible light readings. With configurable gain and integration time, it can measure from 0 to over 65,000 lux — suitab...
Adafruit BMP388 - Precision Barometric Pressure and Altimeter
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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 LTC4311 I2C Extender / Active Terminator - STEMMA QT / Qwiic
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The Adafruit LTC4311 Active Terminator solves a common I2C problem: running long cables. Standard I2C is designed for short PCB-level connections, but cable capacitance and resistance degrade signals over distance. The LTC4311 watches the SDA and SCL lines and actively boosts pull-up current, res...
Adafruit SHT41 Trinkey - USB Temperature and Humidity Sensor
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The Adafruit SHT41 Trinkey is a tiny USB A device that combines an ATSAMD21 microcontroller with a Sensirion SHT41 temperature and humidity sensor. Simply plug it into any USB A port on your computer and start reading environmental data — no wiring, soldering, or driver installation required. Th...
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...
Adafruit ADG728 1-to-8 Analog Matrix Switch
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The Adafruit ADG728 is a solid-state 1-to-8 analog matrix switch controlled over I2C. Unlike relays, analog switches have no moving parts, won't wear out, and switch in approximately 100 ns. Use it to route up to 8 analog signals (up to 5V) to a single common pin, or vice versa — the signal path ...
HC-SR04 Ultrasonic Sonar Distance Sensor + 2 x 10K resistors
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The HC-SR04 is an ultrasonic distance sensor that measures distances from approximately 2 cm to 400 cm (best results between 10–250 cm). Widely used in robotics, automation, interactive art, and motion sensing projects. The sensor requires 5V power and the Echo return signal is 5V logic. Two 10 ...
Garmin LIDAR-Lite Optical Distance LED Sensor - V4
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The Garmin LIDAR-Lite V4 LED is a compact, low-power optical distance sensor that measures up to 10 metres using lensed LED light (not a laser, despite the name). Drawing only 85 mA during acquisition with measurement rates up to 200 Hz, it's an ideal alternative to ultrasonic sensors for robotic...
QTRX-HD-04A Reflectance Sensor Array: 4-Channel, 4mm Pitch, Analog Output, Low Current
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These reflectance sensors feature a linear array of IR emitter/phototransistor pair modules in a high-density (4 mm pitch) arrangement, which makes them well suited for applications that require precise detection of changes in contrast, such as line sensing. A variety of sensor counts are av...
Fermion: SHT31-F Digital Temperature & Humidity Sensor (Breakout)
This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap temperature sensing components, the SHT31-F offers high reliability and long-te...
Cross Laser Diode - 5mW 650nm Red
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You have some frickin' sharks at your lair, and you're thinking "it would be really great if I could attach some lasers to them" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be drive...
Line Laser Diode - 5mW 650nm Red
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You have some frickin' sharks at your lair, and you're thinking "it would be really great if I could attach some lasers to them" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be drive...
VCNL4020 Proximity & Light Sensor Breakout - STEMMA QT/Qwiic
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This breakout combines Vishay's VCNL4020 proximity sensor and ambient light sensor on one compact I2C board, making it a handy choice when you want to detect nearby objects and measure light levels at the same time. The proximity sensor works from 0 to 200mm (about 7.5 inches), while the light se...
