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Discovery kit for M24LR04E Dual Interface EEPROM with energy harvesting
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M24LR-DISCOVERY is a ready-to-use kit which features the M24LR04E-R Dual Interface EEPROM IC. It addresses a wide range of applications such as industrial or medical equipment and consumer electronics. This kit contains 2 different boards, as shown in the figure on cover page.

The M24LR board is battery-less and is powered by RFID readers or NFC-enabled phones supporting ISO/IEC 15693.

The RF transceiver board is an RFID reader demonstration board and is composed, among other parts, of a CR95HF (13.56 MHz multi-protocol contactless transceiver IC with SPI and UART serial access). This board has to be plugged in to a PC and comes with a demonstration software.

The M24LR board also works with Android NFC phones supporting ISO/IEC 15693. An application called NfcV-Reader is available on Google Play. Performance may vary depending on NFC phone's RF management.

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Data Brief

Key Features

  • M24LR board
  • M24LR04E-RMN6T/2 Dual Interface EEPROM with I2C and ISO/IEC 15693 RF interfaces, 4 Kbits of EEPROM and password protection in SO8N package
  • STM8L152C6T6 8-bit microcontroller, with 8 Kbytes of Flash memory
  • STTS751-0WB3F, low-voltage digital temperature sensor
  • 20 x 40 mm inductive antenna etched on the PCB
  • Two function buttons (User and Reset)
  • SWIM connector for programming and debugging
  • I2C connectors
  • LCD (24 segments, 4 commons)
  • RF transceiver board
  • CR95HF-VMD5T 13.56 MHz multi-protocol contactless transceiver IC with SPI and UART serial access
  • STM32F103CB 32-bit microcontroller, with 128 Kbytes of Flash memory
  • 47 x 34 mm 13.56 MHz inductive antenna etched on PCB and associated circuitry
  • USB connector for communication with host PC and demonstration board powering


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1628: M24LR-DISCOVERY evaluation kit
2.0 259 KB

Application Notes

Description Version Size
AN2972: Designing an antenna for the M24LRxx-R and M24LRxxE-R dual interface I²C/RFID devices
6.1 1,480 KB
AN4327: CR95HF RF transceiver board tuning circuit with EMI filter
1.0 683 KB
AN4593: CR95HF C++ Library for Linux User
1.0 1,693 KB

User Manual

Description Version Size
UM1589: M24LR-DISCOVERY kit user guide
2.0 740 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
Gerber files for M24LR board
2.0 176 KB
Gerber files for RF transceiver board
206 KB

Bill of Materials

Description Version Size
Bill of materials for M24LR board
33 KB
Bill of materials for RF transceiver
541 KB

Schematic Pack

Description Version Size
M24LR board Schematic
1.0 102 KB
RF transceiver board schematic
1.0 135 KB

Related Tools and Software

Related Tools and Software

Part Number Description
STSW-M24LR014 Simplified software tool to compute rectangular planar antenna inductances
STSW-95HF004 CR95HF C++ Library for Linux User
STSW-95HF003 CR95HF EMI filter calculation tool
STSW-M24LR016 Firmware for M24LR board included in the M24LR-DISCOVERY kit
STSW-M24LR015 DEMO-CR95HF-A antenna matching circuit calculation
STSW-M24LR002 PC software source code example for FEIG readers to be used with LRI & M24LR products (AN3224)
STSW-M24LR013 Antenna calculation software supporting AN2972
STSW-M24LR012 Nfcv-Reader Android App sample code
STSW-M24LR011 Software set up file for M24LR-DISCOVERY board
STSW-M24LR007 Firmware for RF transceiver board included in the M24LR-DISCOVERY kit

Publications and Collaterals


Description Version Size
NFC / RFID Transceivers - 95HF series
1.0 1,255 KB
NFC / RFID tags M24LR series
1.0 2,357 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
M24LR-DISCOVERYActiveM24LR04E-RBuy Direct20.82Distributor reported inventory date: 2016-02-06
Distributor NameRegionStockMin. order

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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