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CCS811 CO2 and TVOC Air Quality Sensor
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Price: $77.70
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Sparkfun Item #: SPX-14181 -

"The CCS811 is a sensor for detecting the level of carbon dioxide (CO2) and Total Volatile Organic Compounds (TVOCs) in the air. TVOC combined with CO2 is used to measure indoor air quality or IAQ. CO2 is produced by human respiration, and VOCs come from construction materials (paint, carpet, etc), machines (copiers, processes, etc), and people (breathing, cigarettes, etc). VOCs are often categorized as pollutants and/or sensory irritants. TVOC is a roughly defined term, and we’re still...

MLX90393 Magnetometer Breakout
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Price: $29.08
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Sparkfun Item #: SPX-14160 -

"The MLX90393 is a tri-axial magnetic sensor capable of sensing very small fields (like the Earth’s magnetic field) while behaving as one would want and expect during saturation in larger fields (like a near by magnet). It turns out the favorite HMC5883L and other such sensors that are intended for compass applications have a low dynamic range but also strange and undefined behavior in large fields. Ted Yapo did an incredibly extensive characterization of the sensor over on Hackaday. He...

Qwiic Accelerometer - MMA8452Q
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Price: $20.32
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Sparkfun Item #: SPX-14248 -

"The Qwiic Accelerometer makes it extremely easy to get playing with tilt, acceleration, and movement sensing. Plug a Qwiic Shield onto your platform of choice, plug the Qwiic Accelerometer onto the shield and start sensing! The Qwiic Accelerometer - MMA8452Q is a smart low-power, three-axis, MEMS accelerometer with 12 bits of resolution. This accelerometer is packed with embedded functions with flexible user programmable options, configurable to two interrupt pins. Embedded interrupt...

Qwiic Adapter
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Price: $1.85
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Sparkfun Item #: SPX-14237 -

"There are already many I2C devices in the wild. The Qwiic adapter converts the standard I2C pinout (GND, 3.3V, SDA, and SCL) to the 4-pin 1mm JST connector used in the Qwiic system. As we develop new I2C products we will be adding the Qwiic connector to them. In the mean time, this adapter allows you to purchase one of these currently supported boards, solder it on, and get it on the Qwiic system quickly (grin). You can also solder the four wires on any 3.3V I2C device to the adapter get it...

Qwiic Air Quality Combo Board - CCS811 + BME280
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Price: $106.87
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Sparkfun Item #: SPX-14241 -

"This combo board is the first of its kind to provide a variety of environmental data including barometric pressure, humidity, temperature, TVOCs and equivalent CO2 (eCO2) levels, all over an easy to use I2C bus. The CCS811 is a very popular and very new TVOC and eCO2 sensor. It has a feature that allows it to tune its internal algorithm and improve its readings if you provide the sensor with current humidity and temperature. Fortunately, the BME280 is an awesome sensor that outputs humidity,...

Qwiic Cable - 100mm
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Price: $2.43
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Sparkfun Item #: SPX-14205 -

"This is a 100mm long 4-conductor cable with 1mm JST termination. It’s used to connect Qwiic boards together. The Qwiic system enables fast and solderless connection between popular platforms and various sensors and actuators. You can read more about the Qwiic system here. We carry 200mm, 100mm, 50mm, and breadboard friendly Qwiic cables. Features: 100mm (3.93") length 28AWG wire Connector: SHR04V-S-B Mating connector: SM04B-SRSS or equivalent Black/Red/Blue/Yellow color wiring Wired...

Qwiic Cable - 200mm
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Price: $2.92
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Sparkfun Item #: SPX-14204 -

"This is a 200mm long 4-conductor cable with 1mm JST termination. It’s used to connect Qwiic boards together. The Qwiic system enables fast and solderless connection between popular platforms and various sensors and actuators. You can read more about the Qwiic system here. We carry 200mm, 100mm, 50mm, and breadboard friendly Qwiic cables. Features: 200mm (7.87") length 28AWG wire Connector: SHR04V-S-B Mating connector: SM04B-SRSS or equivalent Black/Red/Blue/Yellow color wiring Wired...

Qwiic Cable - 50mm
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Price: $1.94
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Sparkfun Item #: SPX-14206 -

"This is a 50mm long 4-conductor cable with 1mm JST termination. It’s used to connect Qwiic boards together. The Qwiic system enables fast and solderless connection between popular platforms and various sensors and actuators. You can read more about the Qwiic system here. We carry 200mm, 100mm, 50mm, and breadboard friendly Qwiic cables. Features: 50mm (1.96") length 28AWG wire Connector: SHR04V-S-B Mating connector: SM04B-SRSS or equivalent Black/Red/Blue/Yellow color wiring Wired...

Qwiic Cable - Breadboard
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Price: $1.94
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Sparkfun Item #: SPX-14207 -

"This is a 150mm long 4-conductor cable with 1mm JST termination on one end and 4-pin breadboard friendly pins on the other. It’s used to connect Qwiic boards to a breadboard or other female connector. The Qwiic system enables fast and solderless connection between popular platforms and various sensors and actuators. You can read more about the Qwiic system here. We carry 200mm, 100mm, 50mm, and breadboard friendly Qwiic cables. Features: 150mm (5.9") length 28AWG wire Small Connector:...

Qwiic Micro OLED
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Price: $29.08
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Sparkfun Item #: SPX-14269 -

"The Qwiic Micro OLED is a small monochrome, blue-on-black OLED. It’s “micro”, but it still packs a punch – the OLED display is crisp, and you can fit a deceivingly large amount of graphics on there. This breakout is perfect for adding graphics to your next project or displaying diagnostic information without resorting to serial output. The main thing to note about the Qwiic Micro OLED is that it is wired to be in I2C mode permanently. In I2C mode, this OLED runs...

Qwiic Mux Shield for Arduino - PCA9548A
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Price: $19.35
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Sparkfun Item #: SPX-14257 -

"The Qwiic Mux Shield for Arduino - PCA9548A enables communication with multiple I2C devices that have the same address. Some I2C devices have a selectable address, but many have only one. What if you want to control multiple haptic drivers, multiple accelerometers, or multiple finger sensors? The PCA9548A is a very easy to use multiplexer enabling up to 8 buses. This means you can communicate with 8 of the same device. The PCA9548A can be daisy chained as well, so, if needed, you can use up...

Qwiic NIR Spectral Sensor - AS7263
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Price: $116.59
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Sparkfun Item #: SPX-14258 -

"The Qwiic NIR Spectral Sensor uses the AS7263 near infrared spectrometer from AMS for spectral identification. What can you do with NIR spectroscopy? It’s an amazing field of study, and the AS7263 brings what used to be prohibitively expensive equipment to the desktop. The AS7263 should not be confused with highly complex mass spectrometers, but the sensor does give the user the ability to measure and characterize how different materials absorb and reflect NIR light. This can be useful...

Qwiic Shield for Arduino
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Price: $5.74
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Sparkfun Item #: SPX-14201 -

"The Qwiic Shield for Arduino connects the I2C bus (GND, 3.3V, SDA, and SCL) on any Arduino compatible board to the SparkFun Qwiic system. We’ve included conversion circuitry from 5V to 3.3V, so you don’t have to worry about using the Qwiic system with 5V (or 3.3V) devices. Just plug the shield onto your Arduino or RedBoard, plug in a cable, and start playing with a variety of sensors and actuators. There are four connectors, all on the same I2C bus, so you can connect multiple...

Qwiic Shield for ESP32
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Price: $5.74
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Sparkfun Item #: SPX-14203 -

"The Qwiic Shield for ESP32 allows you to quickly and easily connect multiple I2C devices to your SparkFun ESP32 Thing development board, using the Qwiic connect system. Just plug the shield onto your ESP32, plug in a cable, and start playing with a variety of sensors and actuators. There are two connectors on the same I2C bus so you can connect multiple devices. Additionally, there is a prototyping area with paired holes! Each pair has a horizontal trace connecting them that enables a DIP...

Qwiic Shield for Photon
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Price: $5.74
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Sparkfun Item #: SPX-14202 -

"The Qwiic Shield for Photo connects the I2C bus (GND, 3.3V, SDA, and SCL) from the Particle Photon to the SparkFun Qwiic system. Just plug a Photon into the Qwiic Shield, plug in a cable, and start playing with a variety of sensors and actuators. There are four connectors, all on the same I2C bus, so you can connect multiple devices. The Photon runs at 3.3V, so no conversion circuitry is necessary. Additionally, there is a prototyping area and additional 0.1" I2C pins broken out. This product...

Qwiic UV Sensor - ZOPT2201
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Price: $19.35
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Sparkfun Item #: SPX-14264 -

"It’s beautiful here in Boulder, Colorado, but any newcomer to the area quickly discovers our wonderful 300 days of sunshine is tempered with the fact that Boulder is located at 5,430 ft (1655m) above sea level. You can get a sunburn incredibly fast here! The ZOPT2201 is an excellent UVBS (ultraviolet energy sensor) in that it does true 310nm UVB sensing, not interpolated UV from ambient light like most sensors on the market. Without fuss or weird look up tables this sensor gives the...

Robotic Finger Sensor
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Price: $77.70
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Sparkfun Item #: SPX-14200 -

"Does your robot crush objects with its hulkishly strong grip? Give your robotic hand or claw a better sense of touch with the Robotic Finger Sensor. The Robotic Finger Sensor (RFS) uses a unique combination of infrared distance sensing, optical encapsulant and data filtering to detect extremely light touches. Additionally, the silicon covering is squishy, giving the sensor increased grip (friction) and a qualitative sense of force; the sensor can’t output a quantitative number like 2.7...