Digital Front End (DFE) for BeagleBone v1

Louise Winters edited this page Feb 12, 2018 · 1 revision

A digital front-end for Alphasense analogue front-end (AFE) products for use with the BeagleBone Black and BeagleBone Black Industrial processor boards.

Interface board between Beaglebone and environmental sensors

  • Alphasense analogue front-end (AFE) supporting up to four A4 electrochemical sensors, or three electrochemical sensors plus a photoionisation detector (PID) for volatile organic compounds (VOCs)
  • Alphasense Optical Particle Counter (OPC models N2/N3/R1)
  • South Coast Science SPI non-dispersive Infrared (NDIR) board
  • South Coast Science Sensirion T/rH sensor board

Interface to subsystems

  • South Coast Science GPS reciever
  • South Coast Science power supply board

Host interface


  • Powered from BeagleBone header or South Coast Science power supply board
  • Non-rechargeable lithium battery backup for real-time clock

Supporting Software

  • scs_dev - high-level scripts and command-line applications for South Coast Science data producers
  • scs_dfe_eng - environmental sampling abstractions for South Coast Science digital front-end
  • scs_host_bbe - host abstractions for data producers or consumers running Debian IoT on the BeagleBone Black
  • scs_core - root for all South Coast Science environmental monitoring applications
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