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Programming microcontrollers:
connect - done!

roloFlash 2

The roloFlash series is a line of mobile in-circuit programmers to flash microcontrollers quickly, reliably and with little interaction.

roloFlash 2 studio photo, close-up on white background

The right solution for your use case:

Production & Small-Batch Manufacturing

Fewer operating errors. Less effort. Higher throughput.

The simple flashing station for small-batch and series production – no PC needed at the workstation, with volume discounts from 5 units.

PCB Assembly & Contract Manufacturers

Outsource, without losing control.

The simple programming process for external manufacturers – secure and controllable.

Service & Field Support

Just plug in, start, done.

The mobile update tool for service and commissioning – no service laptop needed.

Custom Consulting

When the standard doesn’t fit

Custom roloFlash variants or consulting on your flashing and provisioning process.

Notable features:

  • No interaction required during flashing
  • Fully controllable via scripting language
  • Microcontrollers can be automatically recognized and distinguished
  • Independent of toolchains, software runs directly on Windows and Linux without installation
  • Ability to flash without SD-card (using the internal flash disc)
  • Flashing of encrypted files, ability to limit the number of allowable programming cycles.
  • and much more…

What our customers say

“We are very satisfied with the roloFlash AVR and use the programmers mainly for AVR-Tiny modules in our series production – currently around 3,000 modules per year. We would especially like to highlight the excellent and fast support.”

– Customer in electronics series production

Welcome to halec!


roloFlash: mobile flashing of AVR

Since 1998 halec is known for developing hard- and software around microcontrollers — with a clear focus on quality, reliability and innovative strength.

Here you will find our flexibly configurable products for flashing such components, used by customers in a wide variety of scenarios.

If our offer doesn’t fully meet your needs, we can often make custom adjustments to best suit your requirements. Just reach out to us at , and our experienced team will be happy to assist you.

For further questions or suggestions, please contact us at .


ST Authorized Partner