ACC-DEBUG

            Particle Debugger The Particle Debugger gives you the power of professional debugging at a fraction of the cost. Using this accessory, you’ll be able to program Particle mesh-ready hardware over common interfaces like JTAG and SWD, using open source tools like GDB. Supports the open source CMSIS-DAP specification and DAPLink firmware developed by ARM. Comes with one JTAG ribbon cable.                                          https://store.particle.io/products/particle‐debugger 10‐22‐18