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SparkFun Qwiic Mini ToF Imager 成像儀 - VL53L5CX (SEN-19013)
影片參考:https://youtu.be/TkAV8aNZ5a4
DESCRIPTION
The SparkFun Qwiic Mini ToF Imager is a state of the art, 64 pixel Time-of-Flight (ToF) four meter ranging sensor built around the VL53L5CX from STMicroelectronics. This Mini version has a footprint that is half the size (0.5in. x 1in.) of our standard Qwiic VL53L5CX board. Additionally, we moved the Qwiic connectors to the back of the board in a vertical orientation. These design changes favor mounting applications where the VL53L5CX sensor faces outward from an enclosure or chassis, and keeps your Qwiic cables cleanly tucked away.
SparkFun Qwiic Mini ToF 成像儀是一款最先進的 64 像素飛行時間 (ToF) 四米測距感測器，圍繞著 STMicroElectronics 的 VL53L5CX 構建。此迷你版本的佔地面積是我們標準Qwiic VL53L5CX板尺寸的一半 (0.5 英吋 x 1 英吋)。此外，我們將 Qwiic 連接器以垂直方向移至電路板背面。這些設計變更有利於 VL53L5CX 感測器從外殼或機箱面向外的安裝應用，並使您的 Qwiic 電纜整潔地隱藏起來。
The VL53L5CX chip integrates a SPAD array, physical infrared filters, and diffractive optical elements (DOE) to achieve the best ranging performance in various ambient lighting conditions with a range of cover glass materials. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system. However, we still have broken out some 0.1in.-spaced pins in case you prefer to use a breadboard.
VL53L5CX 晶片整合了 SPAD 陣列、實體紅外線濾光片和衍射光學元件 (DOE)，可在各種環境照明條件下透過一系列蓋板玻璃材料實現最佳測距性能。利用我們方便的 Qwiic 系統，無需焊接即可將其連接到系統的其餘部分。不過，我們仍然提供了一些 0.1 英寸間距的引腳，以防您更喜歡使用麵包板。
Multi zone distance measurements up to 4000mm are possible across all 64 zones with a wide 63° diagonal field-of-view which can be read up to 15Hz. Thanks to ST Histogram patented algorithms, the VL53L5CX is able to detect different objects within the FoV. The Histogram also provides immunity to cover glass crosstalk beyond 60cm.
可在所有 64 個區域內進行高達 4000mm 的多區域距離測量，具有 63° 寬對角線視野，讀取頻率高達 15Hz。得益於 ST Histogram 專利演算法，VL53L5CX 能夠偵測 FoV 內的不同物體。直方圖還可以抵抗 60 公分以上的玻璃罩串擾。
The Qwiic Mini ToF Imager is ideal for 3D room mapping, obstacle detection for robotics, gesture recognition, IoT, laser-assisted autofocus, and AR/VR enhancement; the Qwiic connector on this sensor makes integration easy.
Qwiic Mini ToF 影像儀非常適合 3D 房間測繪、機器人障礙物偵測、手勢辨識、物聯網、雷射輔助自動對焦和 AR/VR 增強；該感測器上的 Qwiic 連接器使整合變得容易。
Note: The VL53L5CX is unique in that it requires its firmware to be loaded at power-on over the I2C bus. Because this firmware is ~90k bytes, we recommend a microcontroller with enough flash to store VL53L5CX's firmware as well as your program code. Sorry, Uno's are out. But didn't you want an excuse to try out something new? We recommend choosing either an Artemis Thing Plus or an ESP32 Thing Plus board as your development board.
注意： VL53L5CX 的獨特之處在於，它需要在加電時透過 I2C 總線加載其韌體。由於該韌體約為 90k 位元組，因此我們建議使用具有足夠快閃記憶體的微控制器來儲存 VL53L5CX 的韌體以及程式代碼。抱歉，Uno 已經出爐了。但你不想找個藉口嘗試新事物嗎？我們建議選擇Artemis Thing Plus或ESP32 Thing Plus板作為您的開發板。
The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can’t hook it up wrong.
SparkFun Qwiic Connect 系統是由 I 2 C 感測器、執行器、屏蔽層和電纜組成的生態系統，可加快原型設計速度並不易出錯。所有支援 Qwiic 的板均使用常見的 1 毫米間距、4 針 JST 連接器。這減少了所需的 PCB 空間，並且極化連接意味著您不會錯誤地連接它。
FEATURES
- Multizone ranging output with either 4x4 or 8x8 separate zones
具有 4x4 或 8x8 獨立區域的多區域測距輸出
- Autonomous Low-power mode with interrupt programmable threshold to wake up the host
自主低功耗模式，具有中斷可程式閾值以喚醒主機
- Up to 400cm ranging / 測距範圍可達 400 厘米
- 60Hz frame rate capability / 60Hz 幀率能力
- Emitter 發射器 : 940nm invisible light vertical cavity surface emitting laser (VCSEL) and integrated analog driver / 940nm 不可見光垂直腔表面發射雷射 (VCSEL) 和整合式模擬驅動器
- 63° diagonal square FoV using diffractive optical elements (DOE) on both transmitter and receiver / 發射器和接收器上皆使用衍射光學元件 (DOE) 的 63° 對角方形 FoV
- Operating Voltage 工作電壓 : 3.3V
- I2C Address: 0x52
- 2x Vertical Qwiic Connectors
- Dimensions 尺寸 - 0.5in. x 1in.
DOCUMENTS
示意圖
Qwiic Cable 線材 需另外購買，可參考↓
https://twarm.com/commerce/index.php?cPath=404_1277
