TI-H: Temp sensor for the TI-86

To: "TI-Hardwarelist" <ti-hardware@lists.ticalc.org>
Subject: TI-H: Temp sensor for the TI-86
From: "Stein Sem-Jacobsen" <ssemjaco@online.no>
Date: Fri, 27 Mar 1998 00:03:38 +0100
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: ti-hardware@lists.ticalc.org

I've attached a program that'll read the temperatur of the tempsensor for
the TI-85. (The LM75 chip). I finally made it work. The program doesn't work
that well. It'll lock up the calc pretty soon (remove batteries), but I'll
work on it soon. The address of the chip have to be 000 i.e. all adress pins
have to be connected to gnd.

If it displays some bad numbers, -too high temp. It might be bad batteries.
I had to connect it to an external psu in order to get it working. I think
it'll be enough to connect it to the batteries.


Stein S-J

t2.86p

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