This Page:
  1. Schematic and Board Layout
  2. Boot Loader and Firmware
  3. Repeater Builder Web Pages
  4. Cable Pinouts
Related Pages:
Official Product of Scott Zimmerman / Repeater Builder
Inspired from a similar design:
Low-pass filter design by SQ6POG
Images property of Repeater Builder.
Logo Design by Elisha Zimmerman KB9WCX
HTML June 17, 2017 - N3XCC

Schematic and Board Layout

Link to the Schematic and Board Layout of the STM32-DVM. (local)


Boot Loader and Firmware

Link to the Bootloader Instructions to reload firmware. (local)


Repeater Builder Web Pages

For more information on the STM32-DVM see:

Note: The pre-loaded software is freely downloadable from -


Cable Pinouts

Pinouts for STM32 MMDVM
Pinouts for ICOM FR4000


Glenn Lyons VK4PK
Ver:gnl20181103 - pre published v0.9