Analog I/O

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milaus
 
Posts: 9
Joined: Thu Nov 20, 2014 4:31 pm
Location: Italy

Analog I/O

Thu Nov 27, 2014 3:13 pm

Vocore gpio analog inputs can read ?
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and
Vocore gpio analog outputs can be used ?
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http://wiringpi.com/the-gpio-utility/

darksoul
 
Posts: 45
Joined: Fri Nov 14, 2014 2:29 am

Re: Analog I/O

Thu Nov 27, 2014 6:49 pm

I would recommend to connect something like atmega8,16,32 via uart.
it has 8 ADC inputs, timers, pwm, and all the stuff needed.

also you can connect external ADC to vocore, but the price will be higher.

btw, you can implement analog output by using the pwn + lm324 ic.

and also D18B20 is a temperature sensor that is using 1-wire interface, you don't need ADC to read it.

johnm
 
Posts: 3
Joined: Sun Jul 26, 2015 3:04 pm

Re: Analog I/O

Tue Jul 28, 2015 9:17 pm

sorry to bring back an old thread, but do you happen to know of a similar IC to the BS18B20, but that is a Hygrometer/Humidity meter?

Vonger
 
Posts: 762
Joined: Sun Oct 19, 2014 6:00 am

Re: Analog I/O

Thu Jul 30, 2015 2:15 am

Hi,
I find some in taobao.com

https://detail.tmall.com/item.htm?spm=a ... bbucket=12

and easy to buy from aliexpress.com, just a little expensive outside China.
http://www.aliexpress.com/af/DHT11.html ... isViewCP=y

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