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#7 DS18X20_Demo, ethernut 13h, connection problem
Hey Harald, i know i have a pending thread, but i really need to get this done before that one.
I am using the code from this page
" http://www.siwawi.arubi.uni-kl.de/avr_projects/tempsensor/index.html " Version 0.9.2 (20110209).
I programmed the mC using avrdude. I'm just gonna use 1 sensor (18B20) with parasite power mode.
The thing is, i have some doubts as for the connection of the sensor itself. Pin 1 is GND, middle pin is connected to the pin port of the atmega128(Portd, pin 6) and the thir pin should be GND too because of parasite power. The thing is, that, just connecting GND to the protoboard, it's like connecting to nothing, because the Vdd it requires, comes from the port D pin 6 from the atmega128. And i don't quite underestand that.
Another one, When connecting correctly the sensor, and the SPI duo to the board, and the power supply, how am i supposed to see the reading temperatura of the sensor? I now that i need an UART connection to the pc, but how can i see the temperature? Do i need to run the program from avr studio 4?
I appreciate any kind of help :)
