microHAM micro KEYER III
firmware v2.9
microHAM · Released Jul 11, 2020 · First seen Sep 9, 2026
Source:
microham.com
v2.9 is not the latest firmware for the microHAM micro KEYER III: the current version is v2.12 (May 4, 2021). Go to v2.12
What's in this update
- fixed problem with spurious additional USB device
- minimum required system voltage reduced to 12V
updatemystuff.com never hosts firmware files — always download from the official source.
Get it from microHAMWatch the micro KEYER III for updates
Create a free account and get an email the moment microHAM publishes new firmware.
Create account & watch