Quote Originally Posted by skimask View Post
That would be a good trick!



First off, you read the datasheet and learn a little bit about the part you want to play with.
The you take note of any and all addresses that the part might or might not use and/or any data that has to be transferred to and/or from the device depending on what you want to do.
If you have used any EEPROM devices at all, this device should act pretty much like those...write a location to do something, read another location to get some data back.
Write some code. Somebody might walk you thru it, somebody might help you figure out what is wrong. However, I'd doubt somebody wil write it for you...
Well I am not really a digital guy... more of an RF guy tring his hand at microcontrollers. I looked at the data sheet, and I thnk I see what I need to sent to the LM75, but I think I am more confued with the commands I2CREAD and I2CWRITE.

After Startup, I have to send 10010001 to go into read mode. The sensor will acknowledge receipt (SDA low). After ACK, the sensor will clock out the data which I have to read.