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Last edited by OHWR Gitlab support Mar 15, 2019
Page history

Sensorbox (handheld measurement terminal)

Project description

Sensorbox is handheld measurement terminal with embedded GPRS connenctivity.
It is equiped in GPS receiver, LCD and keyboard, allows to connect up to 3 sensors or peripheral devices. They can be connected using 10pin RJ50 modular connectors.
Each of them can be:

  • digital( SPI, UART or I2C)
  • analog (0-3.3V)

System is based on Cortex-M3 microcontroller. Decice is supplied from 5V via micro-USB connector.
Backup LiOn battery can be also used, charging circuit is embedded.
The device is equipped with power switch and matrix keyboard.



Main Features

  • LPC 1754 Microcontroller
  • 3 connectors, RJ50, 10 pins
  • 2x8 characters SMD
  • 4x3 numeric keyboard
  • micro USB supply/charge connector
  • embedded LiOn battery
  • GSM Quectel M95 or M72
  • GPS receiver - MT3339
  • SIM-CARD holder
  • 2-layer PCB

Project information

  • Documentation:
    • Schematics (PDF, Altium sources)
    • PCB (PDF, Altium source)

Contacts

Commercial producers

  • Creotech, Poland

General question about project

  • Filip Świtakowski

Status

Date Event
01-10-2011 First ideas for starting this project
05-01-2012 Main features specification written.
01-02-2012 Schematics design review
15-02-2012 First component placement made.
10-04-2012 Production of 5 pieces completed.
13-08-2014 Project cancelled
14-09-2014 New version v2.0 completly designed
29-09-2014 Tested and working

Filip Świtakowski - 07 Oct 2014

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