Am 16.05.19 um 11:33 schrieb modi: > Hi > I am using owfs for first time. I have to take temperature from 10 dsb1820 > through ds2482-800 via r pi 3. I have followed instructions from > http://www.sheepwalkelectronics.co.uk/RPI2_software.php . > > It is giving correct values until I connect 5 sensors on one bus. As soon as > I connect 6th one it gives 85 as output. I have tried 3 on one bus and 3 on > other but same 85 output. I have tried 1.5K instead of 4.7K, no difference. > I can only use 3.3 volts for ds2482-800 as it is a part of larger system. > 85°C is the power-on value. If you get a steady 85°C readout, it means your sensors power-cycle during the conversion.
You don't have to put pullups to the DS2482-800's 1W pins, it does so internally. It also uses its strong pullup feature automatically. Check your power supply. Kind regards Jan _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers