Arducam Pico4ML TinyML Dev Kit: RP2040 Board w/ QVGA Camera, Bluetooth module, LCD Screen, Onboard Audio, & More

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Check the kit without the Bluetooth module, please view B0302.


SKU: B0330 Category:
SKU: B0330 Category:


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.

Arducam Pico4ML Specifications

  • Microcontroller: Raspberry Pi RP2040
  • IMU: ICM-20948 (low power)
  • Mono channel microphone w/ direct PCM output
  • Camera Module: HiMax HM01B0, Up to QVGA (320 x 240 @60fps)
  • Screen: 0.96 inch LCD SPI Display (160 x 80, ST7735)
  • Operating Voltage: 3.3V
  • Input Voltage:            VBUS: 5V +/- 10%.    VSYS Max :5.5V
  • Length: 51 mm
  • Width: 21 mm
  • Bluetooth module

IMU Specifications

  • 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
  • DMP offloads computation of motion processing algorithms from the host processor, improving system power performance
  • EIS FSYNC support
  • Lowest Power 9-Axis Device at 2.5 mW
  • 3-Axis Gyroscope with Programmable FSR of ±250 dps, ±500 dps, ±1000 dps, and ±2000 dps
  • 3-Axis Accelerometer with Programmable FSR of ±2g, ±4g, ±8g, and ±16g
  • 3-Axis Compass with a wide range to ±4900 μT
  • Onboard Digital Motion Processor (DMP)
  • Android support
  • Auxiliary I2C interface for external sensors
  • On-Chip 16-bit ADCs and Programmable Filters
  • 7 MHz SPI or 400 kHz Fast Mode I²C
  • Digital-output temperature sensor
  • VDD operating range of 1.71V to 3.6V
  • MEMS structure hermetically sealed and bonded at wafer level
  • RoHS and Green compliant

Bluetooth Specifications

  • 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.


  • Direct PCM output
  • 20 bit, 16 kHz Sample Rate
  • Mono Channel
  • 64dB signal-to-noise ratio

Arducam Pico4ML Pinout

arducam pico4ml bluetooth pinout


RP2040 Specifications

  • Dual-core Arm Cortex-M0+ processor, flexible clock running up to 133 MHz.
  • 264KB on-chip SRAM.
  • 2MB on-board QSPI Flash.
  • 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.
  • Operating temperature -20°C to +85°C.
  • Castellated module allows soldering direct to carrier boards.
  • Drag-and-drop programming using mass storage over USB.
  • Low-power sleep and dormant modes.
  • Accurate on-chip clock.
  • Temperature sensor.
  • Accelerated integer and floating-point libraries on-chip.

Data Sheets, Docs & Files

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. Pico4ML-BLE is based on Pico4ML to increase the BLE module to realize the function of Read more…


Package Includes

  • 1 x Arducam Pico4ML Dev Board
  • 1 x Micro USB Cable

Demo: Pico4ML with BLE 5.0 Demos