https://github.com/cuspaceflight/joey-m

https://github.com/cuspaceflight/joey-m

Last synced: 14 days ago
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• Host: GitHub
• URL: https://github.com/cuspaceflight/joey-m
• Owner: cuspaceflight
• Created: 2012-03-07T01:14:50.000Z (almost 13 years ago)
• Default Branch: master
• Last Pushed: 2015-09-19T03:43:59.000Z (over 9 years ago)
• Last Synced: 2024-11-06T21:13:53.786Z (2 months ago)
• Language: Eagle
• Homepage:
• Size: 2.31 MB
• Stars: 4
• Watchers: 2
• Forks: 2
• Open Issues: 5
• Metadata Files:
  • Readme: README.md

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README

        
JOEY-M - CU Spaceflight

====================

Joey-M is an experimental flight computer produced as part of the Wombat flight

computer project at Cambridge University Spaceflight.  

It uses a twin varactor crystal pulling arrangement to change the transmit

frequency of a Micrel MICRF112YMM 434MHz ISM band transmitter, along with a dual

DAC from Linear Technology to control the varactor bias voltages.  

The DAC can be any of the LTC range in MSOP-8 package which share a footprint, 

including the LTC1661/1662 (10 bit), LTC2622 (12 bit), LTC2612 (14 bit)

and LTC2602 (16 bit).  

Other equipment on board is a uBlox NEO-6Q GPS, TMP100 12 bit temperature

sensor, and an Atmel ATMEGA328P MCU.  

Designed and released into the public domain by Jon Sowman - March 2012.  

[Contact CUSF](mailto:[email protected])