I have troubleshooted this, and IOIO pins are fully functional, because the same IOIO pin (with same wire) can control the functional relay, but not the non functional.. But connecting the relay pin to ground, it works ! So maybe I have to get a new relay board.
sunnuntai 6. joulukuuta 2015 1.26.12 UTC+2 Tyler kirjoitti: > > Hi, > > It sounds like you'll need to do some troubleshooting to determine if the > problem is with the IOIO or the relay board. Based on what you've said, it > sounds like your IOIO may be at fault. Verify that the IOIO is actually > delivering the 3.3v on the pins with non-functional relays. You might also > try switching the pins around: take a pin that is known to be working on a > good relay and switch it to a non-functioning relay to see if the relay > works that way. You might also try switch each relay individually to see if > they work when the IOIO is just running one of them. > > If you can determine that the problem does indeed lie with the IOIO, we > can help you further. It may help to see the code you're using to control > the relays in that case. If it's a problem with the relay this forum can > offer general electronics advice, but we may not be able to help with your > specific relay board. > > Good luck! > > On Saturday, December 5, 2015 at 11:17:53 AM UTC-5, [email protected] > wrote: >> >> Hello ! >> >> I have 16 relay module that I want to control with IOIO. I know that this >> is not IOIO problem, but is there anything I could do with IOIO digital i/O >> (or hadware). >> >> >> http://www.aliexpress.com/item/2015-China-Wholesale-12V-16-Channel-Relay-Module-for-arduino-ARM-PIC-AVR-DSP-Electronic-Relay/32305996877.html >> >> >> I have connected this to 16 pins in IOIO and defined the pins as digital >> output. 11 of the relays work as expected, but 5 relays do not react to the >> IOIO 3.2V signal going up or down. >> However if I shortcut those 5 malfunction pins in relay module to ground, >> the relay reacts as expected ! >> When the relay control pin is connected to IOIO, the relay is always on, >> but does not go off for IOIO signal >> >> I have tried to define the digital outputs also as "open drain"-mode, but >> no success. >> Is there anything else that I could do (other than buy a new relay >> module) ? >> > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
