Re: [beagleboard] Home Automation Cape with KNX/EIB, Enocean and four dedicated Onewire-Busmasters (IBB-Cape)

2014-09-22 Thread Josenivaldo Benito Junior
Hi On Wed, Sep 17, 2014 at 12:44 PM, rl.bu...@gmail.com wrote: If a RTC is required (which I do not recommend), footprints for a Maxim MAX3232MZ RTC chip and a battery holder are present. May I ask why you do not recommend? Thanks Benito -- Josenivaldo Benito Jr. PU2LBD *Por Aurélio

Re: [beagleboard] Home Automation Cape with KNX/EIB, Enocean and four dedicated Onewire-Busmasters (IBB-Cape)

2014-09-22 Thread Josenivaldo Benito Junior
On Wed, Sep 17, 2014 at 12:44 PM, rl.bu...@gmail.com wrote: You can see some photos at http://knx-user-forum.de/diy-do-yourself/29676-beaglebone-cape-mit-knx-4x-onewire-enocean-rtc-ehz-moeglich-4.html#post417406. Btw, one have to sign up to the forum to be able to see the pictures. One may

Re: [beagleboard] Re: Issue getting DS18B20 temperature sensor working

2014-09-09 Thread Josenivaldo Benito Junior
On Sun, Sep 7, 2014 at 4:14 PM, Michaël Vaes vaesmich...@gmail.com wrote: Is there any way to see the RAW inputs/outputs on a pin? I would use a logic analyzer to see if the communication is going well. I have one of this: https://www.saleae.com/ but of an old model (maybe you still can get

Re: [beagleboard] Re: Issue getting DS18B20 temperature sensor working

2014-09-06 Thread Josenivaldo Benito Junior
Hi Michaël, Are you using 18ohm pull up resistor as your wiring diagram states? If so this resistor is too low for pull up; both bone and sensor will have to sink a lot of current to drive the line down. See this discussion here: https://groups.google.com/forum/#!topic/beaglebone/dosKmEE7xso

Re: [beagleboard] Python script stops reading serial port after several days

2014-09-03 Thread Josenivaldo Benito Junior
On Wed, Sep 3, 2014 at 2:29 AM, Michael M mmcdani...@gmail.com wrote: The frequency of your data(based on your sample) doesn't necessarily require a 115kbps transmission rate. Good point. People from 3D printing word normally use 250Kbps because this is fast and has lower error rate than