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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 |