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| -rw-r--r-- | TeleMetrum/index.mdwn | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/TeleMetrum/index.mdwn b/TeleMetrum/index.mdwn index a7f4aba..46f16f7 100644 --- a/TeleMetrum/index.mdwn +++ b/TeleMetrum/index.mdwn @@ -99,10 +99,11 @@ always want GPS on board, which lead to our current second generation boards. * 128k x 8 * SPI interface * [Microchip MCP9700A](http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en027103) discrete temperature sensor - * eliminated in v0.2 to free GPIO line for companion interface * used 1000uF electrolytic capacitor charged to 5V for pyro supply * two LEDs instead of one attached to CPU - * eliminated second LED to free GPIO line for companion interface + +The elimination of the discrete temperature sensor and second LED were +necessary to support the companion board interface added in v0.2. ## [Production History](production) ## |