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Render of the small square telemetry board, with its strip of pogo-pin contacts.

Impact & Force Telemetry Board

A compact telemetry circuit-board layout for an impact-sensing device, combining an nRF wireless system, inertial sensing, force inputs and LiPo charging.

Project stage
Engineering design
Work type
Portfolio study

Built to take a hit

  • Top side of the board, with the nRF chip and the pogo-pin contacts.
  • Bottom side of the board.

The board had to capture extreme impacts cleanly inside a very tight enclosure. An nRF system-on-chip handles the wireless link through a 50 Ω coplanar feedline with an unbroken ground return.

A 6-axis IMU and force inputs sit on noise-isolated paths, arranged to reduce noise. LiPo charging and a pogo-pin interface work through the sealed enclosure, and the layout includes the interfaces needed for SMT assembly.

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