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Question about using GetADC()   [4 Articles]

The BasicX System Library manual says that in order to use GetADC() you needn't configure the pin as an input. I did a quick experiment to verify that and the evi...

GetADC

Hi I having trouble getting the correct voltage reading using GetADC. Using a voltmeter it says 0.3volts but GetADC says it is only 0.03. What is going on and how...

Simple question about GetADC channels   [2 Articles]

I have a question about the GetADC channels. Are they open collectors? Because I am trying to do a GetADC and keep on getting voltage readings around 0.03. T...

Re: 0->255   [3 Articles]

Divide the output of GetADC() by 4? Ex. byte bVal bVal = CByte( GetADC(13) \ 4 ) This would actually get you a maximum of 256. You could simply subtra...

GetADC() overhead

Does anyone know if the GetADC() functions always run code to re-configure the input pins to A/D type, regardless of whether they were already set that way? I wou...

GetADC time   [3 Articles]

Does anyone know how long a GetADC command takes? Would it be faster to use an off module ADC (assuming 10 bit resolution)? Thanks, Paul ...

GetADC - lm34   [4 Articles]

I now have the lm34 working (Thank you to Dave & Tom). I am however unable to figure out how to display the temp with 2 digits after the decimal point (72.45) I ...

AD convertion problems   [2 Articles]

Thank everybody for your answers, I am building my project with Basicx-24 microcontroller and one Serial 2x16 LCD. This microcontroller has been working well, bu...

Accuracy of GetADC function ??   [5 Articles]

Hi guys, From the BX documentation, GetADC(pinnumber) has an integer range of (0 - 1023). Let say if the input analog voltage is 1.8V, then , if the mathemat...

GetADC Procedure Float Version and Function (Integer Version) BX-24   [2 Articles]

Hello, I want to read 4 AC voltage at 50 Hz coming from a Current Sensor using the BX-24. The BX-24 (or other type of processor) read only DC voltage but the idea is to us...

Re: ADC Speed

> From: > > The Atmel info sheet specifies between 22 and 66 uSecs depending > on precision of 1.5 to 0.5 LSB. > > In the real world, how many samples per se...

ADC broken?   [4 Articles]

Hi i was playing with the GetADC command, i used a loop to gather the voltage off of a pin, i think it is broken because the readings are always wrong. here is th...

Reading Input voltage with a BasicX

Hi, I'm trying to read an input voltage of 3.2V from the BasicX. I want to input it into pin 13 and then output it. My current code is: Const Volt_in As ...

reading a thermister   [7 Articles]

hi i was doing the example for get adc to read a thermister. my question is how do i see the value for the voltage or resistance on the screen.below is the code i...

servo and bx   [2 Articles]

Hey all, I'm trying to run two servo motors with two pots. I am not sure of how to code it so each set would run seperately. this is my code and it doesn't work...

Problems with getADC function   [2 Articles]

Hi group I'm using the getADC function (integer version) to catch data from a sensor. I've used this piece of code to do that: ---------------------------- ...

convert 10 bits to 8 bits   [3 Articles]

i am attempting to add memory using an external eeprom. the good news is that i have added the memory and know that it works. the bad news is i can't get my information ont...

using GetADC to measure resistance   [3 Articles]

I hooked up a potentiometer fine to my BX-24 and I have that running fine but now I am having problems trying to measure the resistance of a Cds. I guess this is...

Re: HELP! SHARP GP2D12 SENSOR   [2 Articles]

well first of all the gp2d12 are analog sensors. you need to use your AD converter to mesure these. connect the yellow wire to a pin. (13 through 20 only) ...

Using GetADC quirk   [2 Articles]

I have a BX-24 set up to use pins 13 and 14 as analog inputs using GetADC. Pins 15, 16 and 17 are used as outputs for LEDs. If I turn any, or all, of the LEDs on an...

newby! questions BX + Sharp Sensor   [5 Articles]

Hi my friend T. Andley gave me a reference to this site re: Bx-24. Him and I do hacks with the robosapien robot. I just recently purchased a BX-24 Dev kit, along wi...

Re: Reading PortC as a byte   [8 Articles]

That is what I'm doing, but it does not work. Niether Register.PORTC or Register.PINC is returning anything as far as I can tell. I want to read the entire port as ...

ADC from an LM35?   [6 Articles]

Hi, Another simple question, I'm sorry. I know I should be able to figure this out myself, but I am stumped. I have an LM35DX temperature sensor which I have conne...

New member: building a simple voltmeter   [3 Articles]

Hi, I'm new to this group and new to microcontroler/basic stamp programing. I'd like to build a simple volt meter that measures 0 to 5 volts and outputs the volta...

Re: (unknown)

Cory...this should work: dim volts as integer volts = getADC(18) debug.print "volts = "& cstr(volts) '0-5v => 0 - 1023 Corey Fogarty wrote: ...

Re: Re: Measuring Voltage with ADC on BasicX

You can use any one of them. I use all 8 to measure sensors scaled from 0 to 5 volts. Here's a sample of my code: Const Forward_Power_Base As Single = 0.0 ...

Re: How to query and store pin states?

Greetings all - I'm writing a little test routine for a BX-24 that should read the state of all the I/O pins and store those values in an array for later use. ...

Re: CountTransitions

--- In , "Rich Beckwith" wrote: > ... I get a return value of 704 while measuring a 7040 Khz signal. > > freq1 = counttransitions(freq_in, 0.05) ...

Re: Global variable question...

--- In basicx@basi..., orthner@orth... wrote: > At 10:04 PM 1/13/00 -0700, you wrote: > >From: "Jack Schoof" > > > >Where is variable defined? Above the s...

GetADC error and adjacent pins   [3 Articles]

I've seen a number of comments that suggest interaction of digital and analog neighboring pins but which offer no explanation nor a solution other than reassigning ...

Serial Port and Tasks

Hi - just wanted to thank everyone for the help so far! I'm having a problem using the serial port (Com1) inside a task with the Debug.Print command. I start two t...

Measure Battery Voltage

Please disreguard the previous post Here is a better version of what I need to do. The only problem I am having now is that the displayed value is not tracking the measured ...

BX 24 stops periodically   [4 Articles]

The program I'm running is NOT fancy. I'll include it at the end of this e-mail. My desire is for this program to run continuously. It DOES run fine for hours or ...

Can you please Unsubscribe me!!   [2 Articles]

Can you please Unsubscribe me!! --- wrote: > There are 8 messages in this issue. > > Topics in this digest: > > 1. Simple question about GetADC chann...

Re: question on GetPin

On Tue, 29 Aug 2000 19:21:36 -0000, wrote: > what value would i get in data? I got differnt values most of the time If you've defined the pin as an input pin...

Tricky Sampling Speed issue   [12 Articles]

I was sampling a 400hz signal the other day (as we all do) and I was pleased to get about 14 samples per cycle (2.5ms cycle). This was using the code block A belo...

Please help   [4 Articles]

I am trying to measure 10 - 15 volts. I have the following program '-------------------------------------------------------------------- ' This program will measure the battery...

GetADC Operation Question?   [2 Articles]

Hi all, I am attempting to read the voltage from from a joy stick. I originally hooked it up as follows: Joy stick pin to 1 -------------------- +5 volts...

ADC Help   [3 Articles]

I am new to the bx 24 and for a starter project I have designed a tracking solar panel system. I have two small panels that i would like to compare voltages to in order to tell if...