The leading design and manufacturing house for high quality communications equipment for amateur radio.

File Downloads

User guides

These are the user guides for the products.

Document name	Version	Date
ZUMspot USB User Guide	1.2	Dec 11, 2022
Elite 3.5 LCD ZUMspot User Guide	1.3	Apr 18, 2022
Mini 2.4 Color LCD ZUMspot User Guide	1.0	Dec 7, 2024
Mini 1.3 OLED ZUMspot User Guide	1.0	Feb 22, 2022
M5Stack Smart CAT-CIV Display User Guide	1.2	July 20, 2023
MMDVM-Pi 1.0a User Guide	1.0	Jul 3, 2022
AMBE Server User Guide	1.4	Dec 11, 2022
ZUMspot Dual Band User Guide	1.0	Jul 3, 2022
ZUMspot Duplex User Guide	1.0	Jul 9, 2022
ZUMspot Case Assembly Guide	1.0	Oct 16, 2019

These files are backup images which can be used to restore an official Pi-Star installation to be configured for each product.

PiStar configuration files	Version	Date
Toshen's Pi-Star configuration tutorial	V 4.1.6	Jun 22, 2022
Preconfigured backup for Elite35	Pi-Star 4.1.6	Feb 12, 2022
Preconfigured backup for Mini13	Pi-Star 4.1.6	Feb 12, 2022
Preconfigured backup for Dual band	Pi-Star 4.1.4	May 5, 2022
Preconfigured backup for Duplex	Pi-Star 4.1.4	Feb 12, 2022
How to guide for Pi-Star backups coming soon

These image files are standard Pi-Star releases which are preconfigured for the products.

Pi-Star images	Version	Size	Date
Pi-Star for Raspberry Pi V4.1.6 configured for Elite35 LCD	4.1.6	652M	Nov 2, 2023
Pi-Star for Raspberry Pi V4.1.6 configured for Mini 1.3 OLED	4.1.6	652M	Nov 2, 2023
Preconfigured WPSD image for Elite 3.5/Mini 2.4 ZUMspot (Bullseye)		781M
Preconfigured WPSD image for Mini 1.3 ZUMspot (Bullseye)		781M
Preconfigured WPSD image for ZUMspot USB (Bullseye)		781M
Preconfigured WPSD image for MMDVMPi (Bullseye)		781M
Preconfigured WPSD image for Elite 3.5/Mini 2.4 ZUMspot (Bookworm beta)		869M
Preconfigured WPSD image for Mini 1.3 ZUMspot (Bookworm beta)		869M

These are basic troubleshooting guides for the products.

Troubleshooting guides	Version	Date
Troubleshooting with MMDVMCal	0.9	Jul 3, 2022
Board Troubleshooting Guide	1.1	Jan 1, 2023

These are binaries for both firmware and software.

Precompiled files	Version	Size	Date
M5Stack Display firmware updater	0.87	6.7M	July 21, 2023

ZUMspot Dual Band firmware	1.6.1	50K	July 09, 2023
ZUMspot Duplex firmware	1.6.1	54K	July 09, 2023
ZUMspot Libre firmware	1.6.1	54K	July 09, 2023
ZUMspot Elite/Mini firmware	1.6.1	50K	July 09, 2023
ZUMspot USB firmware	1.6.1	54K	July 09, 2023

ZUMspot Dual Band firmware	1.5.2	50K	Nov 08, 2020
ZUMspot Duplex firmware	1.5.2	54K	Nov 08, 2020
ZUMspot Libre firmware	1.5.2	54K	Nov 08, 2020
ZUMspot Elite/Mini firmware	1.5.2	50K	Nov 08, 2020
ZUMspot USB firmware	1.5.2	54K	Nov 08, 2020

MMDVM-Pi v 0.9 board (STM32F446) firmware	#bf23a94	188K	Jan 9, 2023
MMDVM-Pi v 1.0 board (STM32F446) firmware	#bf23a94	188K	Jan 9, 2023
MMDVM-Pi v 1.0 board (STM32F722) firmware	#bf23a94	199K	Jan 9, 2023
MMDVM-Pi v 0.9 board (STM32F446) firmware	#f8d1cc7	290K	Dec 20, 2021
MMDVM-Pi v 1.0 board (STM32F446) firmware	#f8d1cc7	290K	Dec 20, 2021
MMDVM-Pi v 1.0 board (STM32F722) firmware	#f8d1cc7	312K	Dec 20, 2021
MMDVM-Pi v 0.9 board (STM32F446) firmware	#9ccbb84	39K	Jan 30, 2019
MMDVM-Pi v 1.0 board (STM32F446) firmware	#9ccbb84	39K	Jan 30, 2019
MMDVM-Pi v 1.0 board (STM32F722) firmware	#8ac0fc1	49K	Oct 14, 2019

ZUM AMBE server board firmware	1.3	4.5M	Mar 14, 2020
ZUM AMBE server board firmware	1.4	4.5M	Oct 31, 2020

ZUM AMBE server board example source code	#a62282f		Mar 22, 2020

mmdvmhost for Windows coming soon
mmdvmcal for Windows coming soon
mmdvmhost for OSX coming soon
mmdvmcal for OSX coming soon
mmdvmhost for Linux coming soon
mmdvmcal for Linux coming soon