Telemini V3

• 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

• Hardware Features
  • ST STM32F042G6 system on chip
    • ARM Cortex-M0 MCU
    • 32k Flash
    • 6k RAM
    • USB 2.0
    • digital I/O

  • TI CC1200 High Performance RF Transceiver for Narrowband Systems

  • Measurement Specialties MS5607 pressure sensor

  • Macronix MX25L4006E 512kB serial flash memory
• Software Features
  • Written mostly in C with some ARM assembler
• Tools Used
  • gEDA for schematic capture and PCB layout
  • SDCC compiler and source debugger
• Licenses
  • The hardware is licensed under the TAPR Open Hardware License
  • The software is licensed GPL version 2 or later

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)