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Magnetic Reed Switch Sensors with EFM Processor and Dual RS232 Interfaces

  • 1595


Description:

This module contains two magnetic reed switches. Reed switches are simply a switch that is controlled by a magnet. Reed switches require no power to operate so they are great for low power applications. The two reed switches on this module are separated by 21.6mm (0.85") so that movement can be detected in some applications. These are great to monitor if doors or windows are open or closed or other security system operations.

The module also contains an EFM32ZG108 Gecko low power microcontroller and two RS232 serial ports allowing it to be daisy chained in a network. Pre-Programmed for use in an openHAB Home Automation system or can be Re-Programmed for other uses.

Features:

  • Two CT10-1540-G1 Reed switches spaced 21.6mm (0.85") apart
    • Operates from 10-40 AT magnetic field
    • 500mA maximum switched current
    • 200VDC maximum switched DC voltage
    • 140VAC maximum switched AC voltage
    • 115mContact resistance
  • +3.6V to +6V Input Voltage
  • Power management designed for very low standby power
  • Small Size: PCB is 20mm x 24mm (0.79" x 0.94")
  • EFM32ZG108 Gecko Microcontroller
    • ARM Cortex-M0+
    • Low Power Operation
    • 32KB Flash Memory
    • 4KB RAM
  • MAX3232 Dual RS232 Line Driver/Receiver
  • Two 4 Pin DF11 Right Angle Male Connectors each with Power and RS232
  • 6 Pin DF11 Right Angle Male Connector for Programming and Debug
  • Pre-Programmed with openHAB Item Firmware for Plug-and-Play
  • Pre-Programmed Firmware is Designed for Low Power Operation
  • May be Programmed with the Arduino IDE

 Applications:

  • Security system sensors
  • Home automation
  • Float sensors
  • Level sensor
  • Switches
  • Directional movement sensor

Documents:
Schematic
Eagle Files
CT10-1540-G1 Reed switch Data Sheet

 


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