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Re: BasicX-35 RAM Expandable?

--- In b...@yahoogroups.com, Tom Becker wrote: > > > ... it's not entirely clear from my cursory check of their website, > but does the X-35 and X-01 support floating p...

RE: Re: BX24 to PC - Extra character

Tom, =20 I tried that and that is where it is set now. Actually I'm getting two extra characters ENQ and 255. To "fix" it for now I just filter the buffer thru a non-alpanume...

RE: Re: Flow Meter   [6 Articles]

What I would do is run the pulses through a simple transistor and RC networking feeding an OPAMP turning them into an Analog Voltage that could be measured on any of the 8 ADC pi...

how pass ADC contents to Timer/Counter   [2 Articles]

Hello, my new group!!! I write from Italy, so excuse my grammar mistake... I' ve already a nice question for you... How can I pass the contents of ADC's registers (ADCH and ADCL...

Re: Connecting eb500 to bx24 HELP

Ok, I added my program to the code. This s it dim outputBuffer(1 to 10) as byte '1-byte output buffer dim inputBuffer(1 to 13) as byte '1-byte input buffer 'declare an array o...

Re: Reading voltage higher than 5V   [5 Articles]

> ... three resistors of 1 MOhm each... The values are too large for the input impedance of the ADC; Atmel recommends that the source impedance be on the order of 10k or low...

Re: Kalman Filter Code   [3 Articles]

Im really struggling to get this to work with ADC accel unit (im using 5dof board from sparkfun). Anyone sucessfully got this working using ADC gyros and accellerometers rathe...

Re: Re: RF Link Issues   [2 Articles]

Did you try connecting the RX data pin to a BX24 input pin? Com3_Out ----> TX 'Transmit the byte RX ----------------> Com3_In 'Receive the byte Com3_in -------> Debug.Pri...

new gyro from analog devices

I'm building a balancing bot and I just saw this new gyro by Analog Devices that will come out in a few days. There are three choices for sensitivity settings as opposed to on...

Re: Kalman Filter Code   [2 Articles]

I see this code is for PWM generating sensors, have you tried this code with ADC type? Cheers Ben ...

Ultrasonic position sensor   [2 Articles]

I am in the process of designing an ultrasonic position sensor, which I will use to periodically re-zero the drift on an accelerometer based position sensor. I am trying to de...

Problem With ADC Converters

Hey, I'm having a problem with ADC on pins 13, 19, and 20. When connected to something they yield an output of around 900-910, and when allowed to float they output 1024. The ...

Re: PID Question   [3 Articles]

Even a bare bones PID program would work. Where ADC is used, then the PID process is used and I can vary the gain for each. I am sure I can figure out the rest. Anyone know ...

MUX   [4 Articles]

Hello I need to multiplex one of the ADC pins of BasicX in order to receive signals from 4 analog devices...(Of course using 2 digital pins for address purposes) Can anyone s...

BX-24 diagnostic?

I have a small pile of BX-24s that I've set aside as I've suspected that each had developed an apparently bad pin. I have surely smoked a few processors but others, I'm sure, ar...

Re: Re: Micromega =?ISO-8859-1?Q?=B5M-FPU_V3_on_a?= =?ISO-8859-1?Q?_BX-24?=

> ... anything greater requires a Gaussian elimination or singular > value decomposition routine. Does the µM-FPU chip have matrix > inversion functions for matrices greater t...

Re: Optocoupler 4N25 Help

> ... MCC USB DAQ modules? Nope, but I've used several other Measurement Computing adapters and ADC boards. I've had good success with them all, although the bit-level pr...

Re: Re: Servo & logic power   [4 Articles]

In an attempt to predict imminent battery depletion, I tried differentiating the battery voltage samples to determine the discharge slope. That didn't work, principally becaus...

CpuSleep

Hello, I'm a new user of Bx24 and I have ploblems with the instruction CpuSleep. In my program I am using com1, and com3, and 2 pins are ADC. I would like to call CpuSleep afte...

basic input problem   [4 Articles]

I am a basic beginner I have a small problem and hope that it would not be too disturbed. When I put the varied voltage into any ADC pin, i dont know why the other ADC pin are...

Re: Sensing movement with GP2D12 IR sensor

Hi Ellen, Something sounds amiss, I think you are right in expecting better stability form your system. I would suggest a 2 step approach: (disconnect the GP2D12) 1) Make a...

Measure Battery Voltage   [3 Articles]

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 ...

Please help   [6 Articles]

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

Sampling program that hangs for 1.18sec every minute?

Hello, I was hoping someone might have some idea what is going on(that might want to help out :) ). I'm using the basicx to sample at about 25Hz 2 channels, and write this is...

Re: Sinking capacitors   [2 Articles]

Tom, your suggestion to try an H11F1 optoFET to switch caps was helpful; thanks. For the PLL, I was able to find a fixed filter that works very well without switching, fortunate...

Re: code timing (was ADC sampling)

Tom, Thanks again for your quick reply. The timestamp I would like to keep track of would not be to prove the sampling rate, it would be for data processing later on. I am wr...

Re: Re: code timing (was ADC sampling)

> ... the size of the ticks gets very large... I suggested that you tag sample pairs with a timestamp so that you could prove, or analyze, the sampling rate later. Since you ...

Re: code timing (was ADC sampling)   [3 Articles]

Hey Tom, Thank you for your help and suggestions. I took out the ascii conversion. and I'm currently using this code to write to my sdcard: Do Until (GetPin(8) = 0) ADCdat...

Queues of a different type

Queues are our friend. They're great for moving data around efficiently. Do they only work for byte types? I can compile an application using integers in a queue array and I ...

Expanding inputs   [6 Articles]

I've been struggling with this one for a few days, to no avail. I have a bunch of analog sensors that I read with GetADC(). Each sensor going to a seperate pin. Some of the s...

Re: Analog to digitial conversion of input signals   [4 Articles]

I think you got your answer, along with a bit more than necessary. But, here is a simple piece of code. Sub Main() Dim ADVal as Integer Do ADVal = GetADC(13) ...

Re: code timing (was ADC sampling)

Tom, thank you for your suggestion, albeit I thought that was what I was sort of doing right now, as I look until my sample rate of 0.2s is hit, then initiate sampling....

Re: Key Pad Recommendations

--- In basicx@basi..., Jepsen Electronics & Acoustics Ltd wrote: > > There is another way using only 1 I/O line and some resistors > Mike Perks wrote: ...

Re: light sensors   [3 Articles]

--- In basicx@basi..., "naimead" wrote: > > But nowadays there should be a proper sensor to do this job,shouldn't > it be? Will, _I_ have a quad...

ADCToCom1? Excel File?   [5 Articles]

Hi, I'm having trouble getting the ADCToCom1 function working properly. I get ASCII gibberish as an output but the ASCII characters do not translate properly into the i...

Re: SCLK idle   [2 Articles]

Very true Don. Thanks. I forgot about that, though it says right there in the datasheet. I tried a 16-bit modification of Tom's routines and it works fine. Switched bac...

Re: RPM to BX24   [2 Articles]

--- In basicx@basi..., Mikael Karstikko wrote: > What is the easiest way of reading tacho signals from a normal car? Some electronic ignition distributers ...

Re: measuring adc   [2 Articles]

--- In basicx@basi..., "Tom De Weyer" wrote: > Is it possible to measure a voltage higher then 5v? Yes use a voltage divider to reduce the voltage ...

BasicX-24p vs. OOPic

I have just recently discovered the BasicX-24p and I'm wondering if anyone knows how it compares to an OOPic II+ performance wise. I currently have a system implemented ...

Re: counting pulses on the bx-24   [4 Articles]

cc0x1 wrote: > I need to count pulses from three different sources while at the same > time reading a continuous analog input on the bx-24. now i know that > using puls...