This is a very small, baro-only recording dual-deploy altimeter for model rocketry with integrated telemetry link.

Version 3.0 is back from fabrication and are ready for sale. Units are available from the Garbee and Garbee web store.

For the latest TeleMini firmware and related ground station software, please visit the AltOS page on this site.

Here's two photos of v3.0, top and bottom:


User View

  • Recording altimeter for model rocketry
  • Supports dual deployment (can fire 2 ejection charges)
  • 70cm ham-band transceiver for telemetry downlink
  • Barometric pressure sensor good to 100k feet MSL
  • Designed to use a single LiPo rechargeable battery
  • 512kB flight data storage
  • 1.7 x 0.5 inch board designed to fit inside 18mm airframe coupler tube

Developer View

Older Versions

Version 1.0. Same width (0.5 inches), but doesn't have the rear two mounting holes so it's a bit shorter (1.5 inches instead of 1.67 inches).


There is a single manual for TeleMini and all other Altus Metrum products, which is available in html and pdf formats.

An outline of the board with drill hole locations is available in pdf format.

The hardware design files can be found on in the project hw/telemini.

For those who don't have ready access to the gEDA suite, here are pdf snapshots of the files for Production PCB version 3.0 in more easily readable form.