Mini Gerbil debugging – no communication with PC software

Return to Mini Gerbil debugging

Symptom DetailLikely causes and their solutions (in recommended sequence)
Power LED shines, but inconsistent or no connection to PC softwareWrong software – Mini Gerbil works with Lightburn, and some other software is possible (but unsupported).  Mini Gerbil is not compatible with K40 Whisperer

Incorrect Device selected in Lightburn – select ‘Gerbil STM’

The USB cable is power only, it needs to be a USB data cable.  Replace.

Faulty USB cable.  Replace.

Faulty K40 grounding.  See

Return to Mini Gerbil debugging