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2.9″ ST‐GM29MT1

Nic Limper edited this page Mar 2, 2024 · 1 revision

This is a 2.9" pricetag by Solum. It's been designed for metro stores. Contrary to many other Solum tags, this tag has a plastic outer window over the EPD his design is very simmilar to the 2.9" ST-GM29XXF.

Specs

  • ZBS 243 / SEM9110 8051 based core, 64kbyte flash, 8kbyte XRAM, 256 bytes iRAM 16 MHz, 802.15.4 2.4Ghz radio
  • 2.9" ePaper display UC8151 (black and white! no reds here)
  • SPI EEPROM (probably a megabyte or something)
  • 2x CR2450 Coin cell
Tag Information Note
FCC ID None European market only?
Model ST-GM29MT1
MAC ID 281

Photos



Pins to the EPaper Display

ZBS243 Pin EPD Note
P1.7 _CS Active low
P2.1 Busy Active High
P2.2 D/C High for data, low for commands
P2.0 _RESET Active low
P0.0 SPI_CLK
P0.1 MOSI/MISO Used for both; same pin to read data

Programming

A jig to program this tag in can be found here

Original Firmware Files (dumped)

Type Version: MD5 (first 10kbyte) Original Tag Mac (as written on case) Note
[33 ST-GM29MT1 NOT COMUNICATED