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HydraBus (Seeed Studio)

SKU: SS109990041

$94.17 AUD, inc GST
$85.61 AUD, exc GST

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HydraBus (Seeed Studio)
94.17 AUD

SKU: SS109990041

$94.17 AUD, inc GST
$85.61 AUD, exc GST
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Contact us if you need this product urgently


  • $6.95 Standard (2-4 days, tracked)
  • $8.95 Express (Overnight*, tracked)
  • $3 Economy Post* (3-7 days, no tracking)
  • FREE Pickup (Newcastle only)

Shipping costs may increase for heavy products or large orders.

Exact shipping can be calculated on the view cart page.

*Conditions apply, see shipping tab below.


The HydraBus is an open source multi-tool hardware for anyone interested in learning/developing/debugging/hacking basic or advanced embedded hardware.
HydraBus can execute python 3 scripts as a port of micropython is done (02 June 2014, published on github).
HydraBus can execute Black Magic Debug firmware to be used as JTAG/SWD debugger (Jan 2015, published on github).
Finally HydraBus can be used with its native firmware hydrafw described below.


Features of the HydraBus board:

  • Very small board only 60mm x 37mm size (extensible with shield which can be connected on top or bottom)
  • Programming firmware through USB DFU (without any debugger) with USB1 FS
  • Debug/Programming through low cost SWD Debug connector (can be programmed/debugged using an ultra low cost NUCLEO F401RE for less than 15US$)
  • Two MicroUSB port (1 OTG and 1 Device/Host) with ESD protection
  • MicroSD slot with 4bit SD and SDIO mode support in hardware (up to 48MHz about 24MB/s)
  • Reset & User Button (Enter USB DFU at PowerOn) with User Led (can be disabled to reuse I/O for other stuff)
  • Breakout of all 44 I/O (some are used by MicroSD and USB 1&2)
  • MCU ARM 32-bit Cortex M4+FPU up to 168MHz& 1MB Embedded Flash
    • Power consumption of less than 100mA/3.3V with all peripherals enabled
    • Ultra low power mode (down to less than 2mA for specific treatment)
  • Hardware doc, schematic/board, pinout, template are available on github: https://github.com/bvernoux/hydrabus/tree/master/hardware
  • For more details on HydraBus Hardware see http://hydrabus.com/hydrabus-1-0-hw-detailed/
  • Hardware license CC BY NC (for commercial license contact [email protected])
  • Support optional HydraBus-Sick-Of-Beige-Case a cheap transparent acrylic case
  • Support optional HydraNFC Shield a high performance NFC board with Antenna based on TI TRF7970A NFC chipset (and fully supported by hydrafw)
  • Other accessories / shield for HydraBus are available at https://www.seeedstudio.com/HydraBus-m-132.html


Features of HydraBus/HydraNFC open source embedded native firmware (hydrafw):



Official HydraBus website: http://hydrabus.com
For more info on firmware see github: https://github.com/bvernoux/hydrafw
For latest official release of hydrafw (pre-built version) see github: https://github.com/bvernoux/hydrafw/releases
For more info on hardware for HydraBus see github: https://github.com/bvernoux/hydrabus

If you encounter any problems when using this product, contact the technical support.


Documentation and Resources:

Product Comments

Exact shipping can be calculated on the view cart page (no login required).

We deliver Australia-wide with these options:

  • $3 for Small Items (3-7 days, not tracked, only available on selected small items)
  • $6.95 for Standard Post (2-4 days, tracked)
  • $8.95 for Express Post (Overnight for Australia Post Next Day Network, tracked)
  • Pickup - Free! Only available to customers who live in the Newcastle region (only after we email you to notify your order is ready)

International Orders - the following rates are for New Zealand and will vary for other countries:

  • $11.49 for Pack and Track (3+ days, tracked)
  • $16.50 for Express International (2-5 days, tracked)

If you order lots of gear, the postage amount might increment based on the weight of your order.

Our physical address (here's a PDF which includes other key business details):

Unit 18, 132 Garden Grove Parade
NSW, 2289

Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.

Have a product question? We're here to help!