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I just found the reason... I reduced the space of the array where the addresses of found 1-wire devices is stored. In my test setup I've two DS18B20 attached and assumed it's enough to provide 2x8 bytes for the device address buffer (because of two devices). DS18B20Sensor::findAllSensors(byte * rom)...

michap wrote:Maybe you are using 18B20 with parasite power?

No, not parasite powered.

michap wrote:You are working with sample sketch - - or can you attach your sketch?

Sure - see attached file. It's a modified sample sketch. See the comments for line #25/26 and #34/35...

Thanks
Ralf

Hi, for any reason I run into this problem with two DS18B20 both returning BAD_TEMP. I've applied the patches to ZUNO_OneWire and ZUNO_DS18B20 already and I'm using version 2.0.7. I don't have a real answer on that behavior, but the order of global variables/objects in my sketch makes the DS18B20 wo...

Hi, I've read the Z-Uno reference and through the forum to get an understanding of the available running/sleeping modes, what features a battery powered Z-Uno may support and the sketch may look like. I'm still somewhat unsure regarding setup() and loop(). a) With ZUNO_SLEEPING_MODE_ALWAYS_AWAKE thi...

Hi, I'm new to Z-Uno and wonder if someone can recommend a suitable USB to RS232/TTL converter? Searching the web I found a lot of different types based on the FTDI, CP210x, PL2303, CH340 devices. Sometimes it is unclear, if these devices support the required 3V3 of the Z-Uno or there are issues wit...