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  • iOS

Customer

Carrier Vibrating Equipment, a U.S.-based vibratory process solutions developer specializing in the manufacture of vibrating conveyors, feeders, screeners, fluid bed dryers, fluid bed coolers, Tornesh dryers, flash dryers, media slurry dryers, and vibrating spiral elevators with features incorporated to screen, separate, dry, cool, blend, and perform various other processing functions.

Problem

The client required an experienced service provider with profound understanding of and proven hands-on practice in creating low-level solutions interfacing with hardware. Softeq managed to showcase its subject-matter expertise backed with years in development of complex hi-end solutions, sophisticated gadgets, and sleek handheld devices, bringing them from concept through requirements to field trials and production.

Softeq carried out a proof-of-concept implementation for the customer to verify the viability of the solution, which, if proved successful, was expected to go to production. The team was to develop an API to communicate with and retrieve data from a TI vibration sensor using BLE for I/O.

Solution

Softeq’s team developed Carrier Vibration Sensor (CveVT5), a device for measuring vibrations using 3-axis 12-bit accelerometer and sending the measurements to a host device via the Bluetooth Low Energy interface. ConnectBlue OLP425 evaluation board is used as device hardware. The developed solution provides a means to monitor the equipment for correct operation.

Carrier Vibration Sensor operates in one of three modes: Sleep, Advertising, and Connected.

Technical Characteristics:

  • Accelerometer measurements resolution — 12 bits
  • Maximum sampling rate — 1250 Hz
  • Length of acquisition interval — 512 samples
  • Battery life in Sleep mode with occasional activity > 12 months (in active operation — one month)

Functional Features:

  • Sleep (energy saving mode)
  • Wake Up by Shaking more than 2G
  • Connects with BLE control software
  • Sample data from 3-x axis accelerometer
  • Sensor to device data transfer

A sample iOS application was created to demonstrate the API capabilities.

Watch the video

One of the outstanding solution features is the 12-month long battery life when the device is operated on on-off basis.

The device employs the BLE communication standard. The actual communication protocol was developed by Softeq’s team.

Results

The project has been successfully delivered with the key solution parameters completely met or exceeding the customer’s expectations:

  • Sampling Speed — 110%
  • High data buffering capacity — 100% (all RAM on CPU)
  • Long battery life — 100%

Currently, the customer is in the process of developing a commercial product around the solution, expecting from Softeq minor firmware updates and estimation for PCBs fabrication for production.

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