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型號：B0330，Arducam Pico4ML TinyML 開發套件：RP2040開發板，帶QVGA攝像頭、LCD 屏幕、板載音頻、重置按鈕等
Arducam Pico4ML TinyML Dev Kit: RP2040 Board w/ QVGA Camera, Bluetooth module, LCD Screen, Onboard Audio, & More
Arducam Pico4ML TinyML 開發套件：RP2040 開發板，帶 QVGA 攝像頭、LCD 屏幕、板載音頻、重置按鈕等，增加藍牙模組
［新版本如圖，藍牙版本］
Package Includes
- 1 x Arducam Pico4ML Dev Board
- 1 x Micro USB Cable
How to build a Magic Wand with Edge Impulse for Arducam Pico4ML-BLE
1.Why Arducam Pico4ML-BLE?
Do you want to build your own magic wand? You only need to have an Arducam Pico4ML-BLE.／你想建立自己的魔杖嗎？您只需要一個 Arducam Pico4ML-BLE。
Pico4ML-BLE is based on Pico4ML to increase the BLE module to realize the function of Bluetooth communication. This is somewhat similar to Arduino Nano 33 BLE. This upgrade makes Arducam’s Pico4ML the most versatile Machine Learning development kit on the market. Only increases the function of Bluetooth, it realizes wireless data collection, training, and model update by designing a web client based on WebBLE. The collected data is converted to a format that can be read by Edge Impulse through our conversion script, and then the transfer learning of the model is carried out.
Pico4ML-BLE 是在 Pico4ML 的基礎上增加 BLE 模塊來實現藍牙通信的功能。這有點類似於 Arduino Nano 33 BLE。此次升級使 Arducam 的 Pico4ML 成為市場上最通用的機器學習開發套件。僅增加了藍牙的功能，通過設計基於WebBLE的Web客戶端，實現無線數據採集、訓練、模型更新。通過我們的轉換腳本將採集到的數據轉換為Edge Impulse可以讀取的格式，然後進行模型的遷移學習。
WebBLE is an application where we can share data while retaining ownership and provenance. Using this app you can navigate to a site written in javascript that can interact with your Bluetooth(low energy) devices. This allows you to write your applications for use from your iOS device.
Learn more.
WebBLE 是一個應用程序，我們可以在其中共享數據，同時保留所有權和出處。使用此應用程序，您可以導航到一個用 javascript 編寫的站點，該站點可以與您的藍牙（低功耗）設備進行交互。這允許您編寫應用程序以在 iOS 設備上使用。了解更多 Edge Impulse is the leading development platform for machine learning on edge devices, free for developers and trusted by enterprises. It committed to the learning and deployment of artificial intelligence on edge (embedded) devices, making artificial intelligence simple. We believe this will become the next industry standard (Similar to Arduino, which has a profound impact on embedded). We support Edge Impulse to have a stronger audience.
Learn more.
Edge Impulse 是領先的邊緣設備機器學習開發平台，對開發人員免費，深受企業信賴。致力於人工智能在邊緣（嵌入式）設備上的學習和部署，讓人工智能變得簡單。我們相信這將成為下一個行業標準（類似於對嵌入式有深遠影響的 Arduino）。我們支持 Edge Impulse 擁有更強大的受眾。了解更多。 This article uses the Magic Wand example to introduce in detail how to use Edge Impulse for transfer learning and deploy it on the Pico4ML-BLE device.
本文以Magic Wand為例，詳細介紹如何使用Edge Impulse進行遷移學習並將其部署在Pico4ML-BLE設備上。
To make Raspberry Pi Pico more robust for TFLite Micro, the Arducam team took the Raspberry Silicon (also known as the RP2040 chip) and created Pico4ML, a microcontroller dev board made exclusively for running and training machine learning examples.
為了使 Raspberry Pi Pico 更適用於 TFLite Micro，Arducam 團隊採用了 Raspberry Silicon（也稱為 RP2040 芯片）並創建了 Pico4ML，這是一款專為運行和訓練機器學習示例而製作的微控制器開發板。
【Arducam Pico4ML】Specifications規格：
- Microcontroller: Raspberry Pi RP2040
- IMU: ICM-20948（低功耗）
- Mono channel microphone w/ direct PCM output／帶直接 PCM 輸出的單聲道麥克風
- Camera Module／攝像頭模組： HiMax HM01B0, Up to QVGA (320 x 240 @60fps).
- Screen: 0.96 inch LCD SPI Display (160 x 80, ST7735)
- Operating Voltage／工作電壓：3.3V
- Input Voltage／輸入電壓： VBUS: 5V +/- 10%.， VSYS Max :5.5V
- Length: 51 mm
- Width: 21 mm
- Bluetooth module／增加藍芽模組
【RP2040】Specifications規格：
- Dual-core Arm Cortex-M0+ processor, flexible clock running up to 133 MHz.
- 264KB on-chip SRAM.
- 2MB on-board QSPI Flash.閃存
- 26 multifunction GPIO pins, including 3 analogue inputs.
- 2 × UART, 2 × SPI controllers, 2 × I2C controllers, 16 × PWM channels.
- 1 × USB 1.1 controller and PHY, with host and device support.
- 8 × Programmable I/O (PIO) state machines for custom peripheral support.
- Supported input power 1.8–5.5V DC. 支持輸入電壓
- Operating temperature -20°C to +85°C．工作溫度
- Castellated module allows soldering direct to carrier boards.
Castellated 模塊允許直接焊接到載板。 - Drag-and-drop programming using mass storage over USB.
通過 USB 使用大容量存儲進行拖放式編程。 - Low-power sleep and dormant modes.／低功耗睡眠和休眠模式。
- Accurate on-chip clock.／準確的片上時鐘。
- Temperature sensor.／溫度感應器。
- Accelerated integer and floating-point libraries on-chip.／片上加速整數和浮點庫。
【Microphone／麥克風】
- Direct PCM output／直接ＰＣＭ輸出
- 20 bit, 16 kHz Sample Rate／採樣率
- Mono Channel／單聲道
- 64dB signal-to-noise ratio／信躁比
【Bluetooth Specifications／藍芽規格】
- Bluetooth 5.0
- 40KB RAM+8KB Cache + 4Mb Flash
- Tx Power:﹢ 5dBm
- Input Voltage: 1.8~3.6V
- 2 x TWI/I2C, 3 x UART, 3 x SPI, 5 x PWM
- Supported Platform: Zephyr RTOS
- Firmware upgrade throughUART0, SWD, OTA
- Mono Sigma Delta Voice ADC, 16bit;16KHz sample rate;SNR(A weighted): 83dB
- Configurable high pass filter with ADC
- Support mono DMIC IN, DMIC Clock up to 3MHz
- I2S Tx: standard I2S, Support both the master mode and slave mode, sample rate up to 44.1KHz/48KHz
- I2S Rx: standard I2S and TDM4 mode, Support both the master mode
- and slave mode, sample rate up to 44.1KHz/48KHz.
- Dimensions: 18 x 15 mm with antenna, 15 x 13 mm without antenna.
【Arducam Pico4ML Pinout】新版本引腳分配（圖為藍芽版本）
【IMU Specifications／慣性測量單元規格】
- 3-axis gyroscope, 3-axis accelerometer, 3-axis compass, and a Digital Motion Processor™ (DMPTM) in a 3 mm x 3 mm x 1 mm (24-pin QFN) package
採用 3 mm x 3 mm x 1 mm（24 引腳 QFN）：3 軸陀螺儀、3 軸加速度計、3 軸羅盤＋DMPTM - DMP offloads computation of motion processing algorithms from the host processor, improving system power performance
DMP 從主機處理器卸載運動處理算法的計算，提高系統功率性能 - EIS FSYNC support 支持
- Lowest Power 9-Axis Device at 2.5 mW／最低功耗 9 軸設備
- 3-Axis Gyroscope with Programmable FSR of ±250 dps, ±500 dps, ±1000 dps, and ±2000 dps／可編程 FSR 的 3 軸陀螺儀
- 3-Axis Accelerometer with Programmable FSR of ±2g, ±4g, ±8g, and ±16g／ 可編程 FSR 的 3 軸加速度計
- 3-Axis Compass with a wide range to ±4900 μT／3 軸羅盤，範圍寬達 ±4900 μ
- Onboard Digital Motion Processor (DMP)／板載數字運動處理器
- Android support／支持安卓
- Auxiliary I2C interface for external sensors／用於外部傳感器的輔助 I2C 接口
- On-Chip 16-bit ADCs and Programmable Filters
- 7 MHz SPI or 400 kHz Fast Mode I²C／快速模式
- Digital-output temperature sensor／數字輸出溫度傳感器
- VDD operating range of 1.71V to 3.6V
- MEMS structure hermetically sealed and bonded at wafer level
- RoHS and Green compliant
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