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#1 2010-01-27 00:08:28

Perching
New member

uChameleon Programming - Please Help

I'm trying to get the uChameleon to control the voltage sent to a proportional valve, based on the input received from a temperature probe. Now, I know almost nothing about the programming required for this, and I don't even know where to begin.

How can I achieve this? What do I need, and where should I begin? Are there any tutorials or guides out there? Any help would be appreciated.

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#2 2010-01-30 00:33:08

AlanH
Member

Re: uChameleon Programming - Please Help

I would start with reading the chameleon manual.  There are a lot of references to programing the device.  using an analog input and producing a analog output would require some type of software programming (please correct me if I am Wrong I am still learning the ins and outs of the chameleon device.)

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#3 2010-02-07 15:01:42

thejd
New member

Re: uChameleon Programming - Please Help

I know nothing! However this works for me driving a PWM from a Variable Voltage 0-5v

Problem is my input is a 0-5v resistor and not a voltage source, any ideas?

Other problem is the Analogue input is reading 26 static (range 0-255) without any source connected..... do I need a pull-up/down resistor, from reading up they are for logic (0/1) only.

Heres the Anaolgue input, PWM drive code:

onevent reset
pwm 9 period 255
pwm 9 width 0
pwm 9 on
background on
endevent

onevent background
adc 1
pwm 9 width ?
endevent

reset

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#4 2013-02-18 14:42:22

malchadsharma
New member

Re: uChameleon Programming - Please Help

my chamelion device alway shows device bussy

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