Drogue Dual CAN FD Development Board with CAN-BPWRD-V0.2

Original price was: $63.53.Current price is: $60.00.

The Drogue Systems CAN-BPWRD is a development board based on the STM32G491 microcontroller unit (MCU). It has 21 I/O pins, enabling the use of UART, SPI, I2C, Timers, PWM, ADC, and CAN.

Made In: United Kingdom (UK)

Supplier: Drogue Systems SKU: CAN-BPWRD-V0.2 Categories: , , , , Tags: , , , , , More From:

Drogue Dual CAN FD Development Board with CAN-BPWRD-V0.2

The Drogue Systems CAN-BPWRD is a development board based on the STM32G491 microcontroller unit (MCU). It has 21 I/O pins, enabling the use of UART, SPI, I2C, Timers, PWM, ADC, and CAN. With a focus on CAN development, the Drogue Systems CAN-BPWRD boasts dual CAN FD transceivers (also compatible with standard CAN) interfaced directly with the FDCAN modules of the STM32 MCU – no SPI translations required!

Each CAN interface has an optional 120-ohm termination resistor enabled by a pin jumper and two complete sets of pins (Vin, GND, CAN HIGH, CAN LOW), removing the need for splitters or large stubs to be added to your network. The Vin pins accept a wide bus voltage range: ~6.5V to 40V, ensuring the board can operate even with considerable deviations from the expected 24V nominal.

Header pin converter cables are sold separately.

The two CAN interfaces are independent and designed to comply fully with the UCANPHY specification. Each Vin is a redundant power supply to the development board with reverse current protection. A hard infinite duration current limit (1.2A) in the voltage regulator protects the rest of your CAN network from accidental shorts. These features combine to allow you to develop and prototype fully redundant, safety-critical CAN nodes and software.

An EEPROM chip installed on the I2C bus provides 32Kb of program-accessible persistent storage. This enables firmware development to store and retrieve settings and data anytime—even after power cycles! The CAN-BPWRD development board is compatible with Cyphal/CAN and can be programmed in multiple frameworks (STM32Cube HAL, Arduino, libopencm3, CMSIS), depending on your preference.

  • Click here to see an example of Cyphal deployment using the Arduino framework.
  • For instructions on adding the board to PlatformIO, please see here.


  • STM32G491CCU6 MCU (up to 168 MHz)
  • 3.3V logic level on I/O pins
  • 8 MHz HSE external oscillator
  • 2x MCP2542FD CAN FD transceivers (up to 8Mbps, 1Mbps recommended)
  • Optional 120-ohm termination on each CAN bus
  • Dual redundant power inputs (1 per CAN bus)
  • Voltage measuring of each power input using ADC
  • N24C32 32 Kbit I2C EEPROM (128 pages x 32 bytes)
  • 21 Exposed I/O pins
  • 5V, 3V3, and GND pins exposed for general use (~500mA total)
  • Program controllable LED
  • Size: 53.1mm x 43.8mm
  • Weight: 12g

Additional information

Weight 0.2 lbs
Dimensions 6.5 × 4 × 4 in

Product Datasheet and Manual

If applicable, the Product Documentation such as Datasheet, Brochure, Reference Materials, CAD Design, STP Files, Manuals, and Tutorials will be available for download upon purchase from the My Account as needed. On the checkout page, please create an account to download product-related files upon purchase. You won’t be able to download otherwise.


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Drogue offers several development boards, UAV design services, and bespoke engineering solutions. Contact us for more information or visit our store, The Drogue Store. You can find CANBUS CAN development boards, custom breakout wires, and more.

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