Downloads

Current/Future Products

SPROG 3 Plus Family including Pi-SPROG 3 Plus and Pi-SPROG 3 v2

SPROG 3 Plus Family User Guide - Jan 2023

Raspian OS Bullseye images for Raspberry Pi 4 model B configured as wireless access point. Includes JMRI 5.4 and Java 11 - updated July 2023

Note 1: Hese images have a shrunken file system. On first boot they will expand the file system to occupy the whole of the SD card and then reboot. Please allow time for this process if trying to connect remotely.
Note 2: Images are hosted on Google Drive.

Instructions to create OS image for Raspberry Pi 4 model B configured as wireless access point. - updated July 2023

These images should also work on model Pi 3 model B+ (but we haven't tested them).

Pi-SPROG Family

Pi-SPROG 3 User Guide - Draft 1.4 updated Jan 2023
Pi-Nano User Guide - updated 1st January 2017

For Raspberry Pi OS image, use one of the images above, but edit the JMRI connection preferences to Pi-SPROG 3

Pi-SPROG One User Guide - updated 15th January 2017

SPROG Family

SPROG IIv4 User Guide (includes SPROG IIv3) - updated September 2022
SBOOST II User Guide
SPROG 3 User Guide Supplement - updated May 2021
SPROG Nano v4 User Guide

Windows 10 Driver Installation Instructions - updated May 2021
Windows 8/8.1 Driver Installation Instructions - updated September 2022
Windows 7 Driver Installation Instructions - updated May 2021

Windows SPROG IIv3 and IIv4 drivers
Windows SPROG 3 drivers
Windows SPROG Nano drivers

MacOS Drivers - No drivers are required.
Linux Drivers - No drivers are required.

Old Products

SPROG II User Guide (version 2 and earlier, updated January 2012)
SPROG Nano User Guide (version 3 and earlier)
SBOOST User Guide

Windows 10 Driver Installation Instructions - updated May 2021
Windows 8/8.1 Driver Installation Instructions - updated May 2021
Windows 7 Driver Installation Instructions - updated May 2021

Windows drivers

MacOS Drivers - SPROG II is known to work with MAC OS, but we can offer only limited support. Our US distributor has compiled a more useful installation guide here
SPROG II uses the FTDI FT232R USB serial interface. MAC OS drivers are available from FTDI. MAC OS driver installation guide is available from FTDI, click here.

Linux Drivers - SPROG II is known to work with Linux, but we can offer only limited support. SPROG II uses the FTDI FT232R USB serial interface. Linux drivers (if required by your Kernel) are available from FTDI. Some notes written by a SPROG user are available here.