Sparkfun Qwiic Mini Dtof Imager Tmf8821 5000Mm Detection Range Board Dimensions 0.5In To 1In 3X3 4X4 3X6 Multizone Output
$25.86
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The Sparkfun Qwiic Mini Dtof Tmf8821 Imager Is A Direct Time-Of-Flight (Dtof) Sensor That Includes A Single Modular Package With An Associated Vertical Cavity Surface Emitting Laser (Vcsel) From Ams. The Dtof Device Is Based On Single Photon Avalanche Photodiode (Spad), Time-To-Digital Converter (Tdc) And Histogram Technology To Achieve A 5000Mm Detection Range. Due To Its Lens On The Spad, It Supports 3X3, 4X4, And 3X6 Multizone Output Data And A Very Wide, Dynamically Adjustable Field Of View. A Multi-Lens-Array (Mla) Inside The Package Above The Vcsel Widens Up The Foi (Field Of Illumination). All Processing Of The Raw Data Is Performed On-Chip And The Tmf8821 Provides Distance Information Together With Confidence Values On Its I2C Interface. The High Performance On-Chip Optical Filter Blocks Most Of The Ambient Light, And Enables Distance Measurements In Dark And Sunlight Environments.To Make It Even Easier To Get Your Readings, All Communication Is Enacted Exclusively Via I2C, Utilizing Our Handy Qwiic System So No Soldering Is Required To Connect It To The Rest Of Your System. However, We Still Have Broken Out 0.1 -Spaced Pins In Case You Prefer To Use A Breadboard. The Tmf8821 Offers Two Configurable Gpio Pins And One Enable (En) Pin, Which Are Broken Out As Pth Pads. The Board Also Includes A Power Led And I2C Pull-Up Resistors, Each Configurable Via Jumpers. This Mini Version Has A Footprint That Is Half The Size (0.5In. X 1.0In.) Of Our Standard Qwiic Mini Dtof Tmf8821 Imager Board. Additionally, We Moved The Qwiic Connectors To The Back Of The Board. These Design Changes Favor Mounting Applications Where The Tmf8821 Sensor Faces Outward From An Enclosure Or Chassis, And Keeps Your Qwiic Cables Cleanly Tucked Away.This Sensor Is Great For Projects Such As Distance Measurement For Camera Autofocus - Laser Detect Autofocus - Ldaf (Mobile Phone), Presence Detection (Computing And Communication), Object Detection And Collision Avoidance (Robotics), And
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Frequently Asked Questions
Q: What is the detection range of the SparkFun Qwiic Mini dToF Imager?A: The SparkFun Qwiic Mini dToF Imager has an impressive detection range of up to 5000mm, making it suitable for various applications such as distance measurement and object detection.
Q: How does the Qwiic Mini dToF Imager communicate with microcontrollers?A: This imager communicates exclusively via I2C, utilizing the Qwiic connector system, which simplifies connections without the need for soldering.
Q: What microcontrollers are compatible with the TMF8821 sensor?A: We recommend using microcontrollers with sufficient flash memory, such as the Artemis Thing Plus or ESP32 Thing Plus, as boards like the Arduino Uno may not have enough resources to support its functionality.
Q: Can the field of view be adjusted on the SparkFun Qwiic Mini dToF Imager?A: Yes, the field of view is dynamically adjustable, allowing for flexibility in various applications, with a maximum diagonal field of view of up to 63°.
Q: What type of applications can the TMF8821 sensor be used for?A: The TMF8821 sensor is ideal for applications including distance measurement for camera autofocus, presence detection, object detection, and collision avoidance in robotics.
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