One pin is all you need for five DS18B20 sensors - or fifty. You are still not very forthcoming about the "Pre-programmed shield", but, if it is programmed to take the DS18B20, having them share a pin is likely to be what the programmer had in mind
One pin is all you need for five DS18B20 sensors - or fifty. You are still not very forthcoming about the "Pre-programmed shield", but, if it is programmed to take the DS18B20, having them share a pin is likely to be what the programmer had in mind