Blog about my hardware and software projects.

Tag: Electronic Shelf Labels


  • Solum Newton M3 – programming custom firmware

    In this post, I describe how to set up a development environment to write a custom firmware for the Solum Newton M3 e-ink label. The device is based on the nRF52811 SoC and we will use the official nRF Connect framework. In the first part of this series, I described the internals of the Solum…

  • Solum Newton M3 – teardown and firmware dump

    Have you noticed that paper price labels are being replaced in large supermarkets in favor of electronic labels? They are an interesting piece of technology, featuring a nice paper-like screen, which some people even mistake for paper. In this post we will explore the Solum Newton M3 2.6″ BWR Electronic Shelf Label.

  • Hacking SES imagotag E-ink Price Tag

    I got an E-ink price tag from a friend and wanted to mess around with it. My goal was to redraw the contents of the display. My first step was to disassemble the device and take note of all serial numbers outside or inside. Disassembling was rather easy, the device is luckily not glued together.…