- All products
- Communication & IoT
- GSM
- GSM + BLE LED Control RePhone Lumi Kit
- GSM
Features
- LED Control: Utilizes the popular RGB LED WS2812b.
- Microcontrollers:
- Xadow GSM+BLE: MT2502 32-bit ARM7EJ-STM RISC processor.
- Xadow Duino: ATmega32u4.
- Programming: Compatible with Arduino IDE.
- Power Supply Options: Various voltage inputs and charging currents.
- Connectivity: Supports GSM, Bluetooth, and multiple interfaces (I2C, SPI, UART, GPIO).
- Compact Design: Small dimensions and lightweight.
Specifications
Xadow GSM+BLE
- Microcontroller: MT2502
- MCU Core: 32-bit ARM7EJ-STM RISC processor
- RAM: 4 MB
- Flash Memory: 16 MB
- Power Supply:
- 3.3 ~ 4.2V (no SIM)
- 3.5 ~ 4.2V (with SIM)
- Power Consumption:
- 20mW (standby, no radio)
- 30mW (standby, GSM)
- 52mW (standby, BT)
- Quad-band: 850/900/1800/1900 MHz
- GPRS: Class 12 modem
- Connectors: 35 PIN and 11 PIN for Xadow Modules; JST 1.0 for battery
- Interfaces: LCD, Audio, I2C, SPI, UART, GPIOs
- Dimensions: 25.37mm × 20.30mm / 1” × 0.8”
Xadow Duino
- Microcontroller: ATmega32u4
- Power Supply:
- 5V via USB (max current 1.5A)
- 3.3 ~ 4.2V via battery socket (max current 1.5A)
- 3.3 ~ 6V via breakout pins (max current 500mA)
- 3.3 ~ 4.2V via Xadow GSM+BLE (max current 500mA)
- Charging Current: 500 mA
- Flash Memory: 32 KB (4 KB used by bootloader)
- SRAM: 2.5 KB
- EEPROM: 1 KB
- Clock Speed: 16 MHz
- Connector: 2 × 11 PIN Xadow Connector, bonding pads for RGB LED WS2812b
- Interfaces: I2C (7-bit address 0x23)
- Dimensions: 25.37mm × 20.30mm / 1” × 0.8”
Applications
- Custom LED lighting systems.
- IoT projects involving GSM and Bluetooth connectivity.
- Wearable tech with integrated communication capabilities.
- Remote control of lighting via SMS or Bluetooth.
- Educational purposes for learning about microcontrollers and IoT.
Pinout
- Xadow GSM+BLE:
- 35 PIN Connector for mainboard connections.
- 11 PIN Connector for flexible design connections.
- JST 1.0 Connector for battery.
- Xadow Duino:
- 2 × 11 PIN Xadow Connectors.
- Bonding pads for RGB LED WS2812b.
Visual Representation

Features
- LED Control: Utilizes the popular RGB LED WS2812b.
- Microcontrollers:
- Xadow GSM+BLE: MT2502 32-bit ARM7EJ-STM RISC processor.
- Xadow Duino: ATmega32u4.
- Programming: Compatible with Arduino IDE.
- Power Supply Options: Various voltage inputs and charging currents.
- Connectivity: Supports GSM, Bluetooth, and multiple interfaces (I2C, SPI, UART, GPIO).
- Compact Design: Small dimensions and lightweight.
Specifications
Xadow GSM+BLE
- Microcontroller: MT2502
- MCU Core: 32-bit ARM7EJ-STM RISC processor
- RAM: 4 MB
- Flash Memory: 16 MB
- Power Supply:
- 3.3 ~ 4.2V (no SIM)
- 3.5 ~ 4.2V (with SIM)
- Power Consumption:
- 20mW (standby, no radio)
- 30mW (standby, GSM)
- 52mW (standby, BT)
- Quad-band: 850/900/1800/1900 MHz
- GPRS: Class 12 modem
- Connectors: 35 PIN and 11 PIN for Xadow Modules; JST 1.0 for battery
- Interfaces: LCD, Audio, I2C, SPI, UART, GPIOs
- Dimensions: 25.37mm × 20.30mm / 1” × 0.8”
Xadow Duino
- Microcontroller: ATmega32u4
- Power Supply:
- 5V via USB (max current 1.5A)
- 3.3 ~ 4.2V via battery socket (max current 1.5A)
- 3.3 ~ 6V via breakout pins (max current 500mA)
- 3.3 ~ 4.2V via Xadow GSM+BLE (max current 500mA)
- Charging Current: 500 mA
- Flash Memory: 32 KB (4 KB used by bootloader)
- SRAM: 2.5 KB
- EEPROM: 1 KB
- Clock Speed: 16 MHz
- Connector: 2 × 11 PIN Xadow Connector, bonding pads for RGB LED WS2812b
- Interfaces: I2C (7-bit address 0x23)
- Dimensions: 25.37mm × 20.30mm / 1” × 0.8”
Applications
- Custom LED lighting systems.
- IoT projects involving GSM and Bluetooth connectivity.
- Wearable tech with integrated communication capabilities.
- Remote control of lighting via SMS or Bluetooth.
- Educational purposes for learning about microcontrollers and IoT.
Pinout
- Xadow GSM+BLE:
- 35 PIN Connector for mainboard connections.
- 11 PIN Connector for flexible design connections.
- JST 1.0 Connector for battery.
- Xadow Duino:
- 2 × 11 PIN Xadow Connectors.
- Bonding pads for RGB LED WS2812b.
Visual Representation
