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The CricketProbe is a debugging tool for microprocessors.
It is a PCB re-design and connectors improvement of the Black Sphere Technologies Black Magic Probe and is fully software-compatible.

CricketProbe v1.00 3D top view

Hardware Revision History

Version # Release Date Release Notes
v1.00 (current) 04/2014 Initial release
v0.00 02/2014 Prototype

Detailed Features

As it is fully compatible with the Black Magic Probe, features are idebtical:
(following is a copy of Black Magic Probe's webpage)

  • Targets ARM Cortex based microcontrollers.
  • Connects to the target processor using the JTAG interface. Alternatively, the ARM Serial Wire Debug protocol may be used.
  • Provides full debugging functionality, including: watchpoints, flash memory breakpoints, memory and register examination, flash memory programming, etc.
  • Supports multiple targets on a single JTAG scan chain.
  • Interface to the host computer is a standard USB CDC ACM device (virtual serial port), which does not require special drivers on Linux.
  • Implements the GDB extended remote debugging protocol for seamless integration with the GNU debugger and other GNU development tools.
  • Implements USB DFU class for easy firmware upgrade as updates become available.
  • Works with Windows, Linux and Mac environments.

Allows you to:

  • Load your application into the target Flash memory or RAM.
  • Single step through your program.
  • Run your program in real-time and halt on demand.
  • Examine and modify CPU registers and memory.
  • Obtain a call stack backtrace.
  • Set up to 6 hardware assisted breakpoints.
  • Set up to 4 hardware assisted read, write or access watchpoints.
  • Set unlimited software breakpoints when executing your application from RAM.



Pins Name and Type are specified with respect to the Autopilot Board

CricketProbe v100 pinout.png


CricketProbe v1.00 Schematic


Gerber & Drill Files


Components Layout

Bill Of Material

Download CricketProbe v1.00 Bill of Material (zipped .xls file)

PCB and assembled boards suppliers

Check availability on Get Hardware page

Mechanical Dimensions


"Factory" (Bootloader) Programming

Firmware Upgrade

Hardware Source Files

Source code