platform designed to work with hardware remotely


Remote testing environment is a hat designed for Orange Pi Zero board which runs specially crafted Linux distribution using the Yocto Project.

We developed rte to enable programmers from around the world in low level firmware development without hassle of heavy KVM switch interface.

In result we have tool which makes easier work with firmware debbuging tasks.


It does great job in

Remote industrial application debugging

Platform enabling

Compatibility testing

Performance optimization

Why rte?

Remote industrial application debugging

Industrial applications are very custom. Sometimes it is hard to reproduce environment out of the factory floor. Because of that we are offering the ability to connect rte which in secure way exposes hardware interface for firmware develop er expert who can solve issue for our custom configuration.

We mastered solutions based on:

  • coreboot
  • U-Boot
  • UEFI/edk2
  • Embedded Linux
  • any other type of application with well defined interface

Platform enabling

There are various situations that may require to work remotely on a platform to enable its support in projects like coreboot, U-Boot, Linux or edk2. When traveling we don't always have the facility to perform various tests. Sometimes enabling happen in early stage of production when number of available devices is not sufficient to serve for all of the developers. rte gives you environment that can be shared and has low level access to peripherals so any hang can be recovered by reflashing or power cycle

Compatibility testing

It may happen that our device has to support set of peripherals that came from various off-shore vendors. Those peripherals may have different behavior. It happens a lot that we want to make sure that the one we choose will work correctly over a long period of time. Performing thousands of power state cycles or hot plug events is problematic. We solve that by using rte.

Performance optimization

Measuring of performance data takes time and requires good framework for execution and gathering data. This problem was already resolved by projects like Phoronix Test Suite. rte can deploy and schedule almost any testing framework as well as make sure that the results are correctly saved on dedicated storage.

Board Description

Download rte PINOUT

rte HAT is equipped with

1x3 GPIO header (directly connected to OPi zero) and 1x4 GPIO header (expander GPIOs with no OC buffers)

2 additional USB connectors (normally populated as 2,54mm pin header on OPi zero) which can be used to connect external flash programmers like DediProg or RS232 converters

1x3 UART header for Ambian system debug output and console

2x4 SPI header 2,54mm with all necessary signals to flash SPI chips

1x4 I2C header

1x12 pin header with GPIOs connected to OC buffers

DB9 male connector for RS232

relay and 2 DC Jack female connectors

1x2 5V output header

rte options comparison

RTE Box option Basic - $35 Medium - $60 Full - $85
RTE Orange Pi Zero HAT (RoHS compliant)
Orange Pi Zero (256MB RAM) -
Power supply -
16GB microSD card (with preinstalled compatible system)* - -
DC Jack - DC Jack power cable - -
IDC wires for SPI - -
RS232 D-Sub 9P/9P cable - -

* Our custom system is based on the open source Yocto Project with implemented meta-layer, that supports the rte features. The system is maintained and updated to keep up with the latest Yocto releases and offers e.g. REST API service for controlling rte via a web browser. More information can be found on our blog posts and github in the section below.

More Information