I want to monitor the temperature of a large peltier element's heatsink to control a fan. I think I'm going to use a DS18B20.The 3 pin TO-92 looks like it's plastic, so I'm already worried about low thermal conductivity.* However, how should I…

I am using a ds18b20 Dallas thermometer that communicates with Maxim's one wire protocol. I'm having issues at the initialization sequence. I have pulled the line high for 500 uSeconds, pulled the line low for 510 uSeconds (the reset), pulled high…