I don't understand the question. Are you talking about not using the HX711 altogether or something else? >From what I can tell, using the HX711 with the IOIO would inevitably require either custom firmware or some small MCU between the IOIO and HX711 to act as an adapter.
On Mon, Sep 18, 2017 at 11:23 PM, Maximillian <[email protected]> wrote: > Hi Juan/Ytai, > > Can I just use the HX711 weight sensor + Driver HX711 24bit gain amplifier > ADC Module > and connect it to the analog input pin of IOIO, then read the value? > > Or I really need a "custom firmware" as you say? > > Please advise. > > Thanks. > > > On Tuesday, March 8, 2016 at 10:41:25 AM UTC+7, Juan Carlos Contador wrote: >> >> why: I had the same problem that appears in this publication ( >> https://groups.google.com/forum/#!topic/ioio-users/t9xaSr8yZNI ). I >> finally decided by the most elegant solution. >> >> How: First of all, it seemed I was too exaggerated change (or extend) >> IOIO much of the code and java interfaces, only to support a particular >> sensor. I found that the port used for logging was a good choice to output >> sensor data. Then use this port for output, and this same signal is >> forwarded to the next pin (put a jumper). On the Java side, I open the >> latter for UART reading. >> The data are collected from the sensor by a function located in main.c, >> and sent along with the model of the connected load cell, which then in the >> Java side will be used to configure and calibrate the scale automatically. >> Something I forgot ... on the wish list for future versions I think we >> need a memory area for storing certain data like cookies (Java interface: >> putInt (name, value), putString (name, value), etc. ... And then ... >> support for WiFi adapters. >> >> greetings and thanks for your excellent work. >> >> (Sorry if something is not understood quite right, I use Google >> translator) >> >> El lunes, 7 de marzo de 2016, 13:36:08 (UTC-3), Ytai escribió: >>> >>> That's awesome! Thanks for sharing. Nice job on the GUI too! >>> Care to say a few words about your custom firmware, why and how? >>> >>> On Thu, Mar 3, 2016 at 10:12 PM, Juan Carlos Contador <[email protected] >>> > wrote: >>> >>>> hi, I mean that the IOIO board is the best way to make new accessories >>>> for android. >>>> >>>> I finally managed to connect a weight sensor ( hx711 ) with the IOIO , >>>> using a custom firmware , it reads the sensor only when a device is >>>> connected to this. >>>> >>>> On the Java side , I made an application using IOIOLib and WebView . >>>> This app exposes JavaScript interfaces, which are used by small mini -apps >>>> that emulate different weight indicators used more commonly. These mini >>>> -apps can be created on a website and be available immediately for testing >>>> . >>>> >>>> https://www.youtube.com/watch?v=i4qJ2Rk2740 >>>> >>>> https://www.youtube.com/watch?v=Cawv5VZGuDY >>>> >>>> >>>> -- >>>> 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 https://groups.google.com/group/ioio-users. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- > 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 https://groups.google.com/group/ioio-users. > For more options, visit https://groups.google.com/d/optout. > -- 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 https://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
