unless you use a level translator you will blow up that gpio pin and or the whole processor
On 5/7/2015 8:45 AM, claudiu [email protected] wrote: > Well yes i do know that the BBB is a 3.3v with a 4-6 mA output. > Therefore I have used the following configuration: > |* TRIGGER P8_12 gpio1[12] GPIO44 out pulldown Mode: 7 > * ECHO P8_11 gpio1[13] GPIO45 in pulldown Mode: 7 *** with > R 1KOhm > * GND P9_1 or P9_2 GND > * VCC P9_5 or P9_6 VDD_5V(from BBB) > | > |but am I right ? | > > On 7 May 2015 at 16:23, doog <[email protected] > <mailto:[email protected]>> wrote: > > > On Thursday, May 7, 2015 at 1:44:57 AM UTC-7, claudiu <clip> wrote: > > For the sensor's VCC im using the VDD_5V from BBB. > > > and you do know that the BBB is a 3.3v device so level shifting is > probable? > > Doug > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in > the Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/Cd9xj0AabcU/unsubscribe. > To unsubscribe from this group and all its topics, send an email > to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout. > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google > Groups "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
