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Sensing movement with GP2D12 IR sensor   [2 Articles]

Hi! I have a GP2D12 IR sensor from Sharp connected to my basicx 24. I get read the signals through getADC on one of my pins. The value I get back vary a lot even though there ...

Turning Sharp GP2D12 sensors on and off   [2 Articles]

Has anyone tried using a FET or BJT or other means to turn the Sharp GP2D12 sensors on and off instead of leaving them on all the time. I tried using a 2N7000, 2N2222, 2N...

BasicX 24 w/ Lynxmotion Atom Bot Board   [2 Articles]

Hi I just bought a BasicX 24 mircocontroller along with a Lynxmotion Atom Bot Board. This is my first microcontroller. Although I have used a 68CH11 at shchool so I do kno...

Re: Parallax/Hitachi HM55B Compass

Ryan, I'm not familiar with the "SSIR" sensor. I posted an example of using the Sharp GP2D02 and I've played with the GP2D12 but the former has similar range and is much e...

Re: newby! questions BX + Sharp Sensor

Hi Chance, If you purchased your hack-a-toy from Robodyssey I assume you are using the Sharp GP2D12 sensor. This is a non-linear device so you can't simply divide or...

newbi question..

Hello I am having trouble using a sharp GP2D12 with my basicx 24. I try using the sample code provided in samples. Using pin 16, black wire to ground.. as it should and re...

Problem with code,,,, Please help....   [2 Articles]

Below is some sample code I am trying to use. It takes a ADC value from a shapr GP2D12 IR and converts it to ,"CM". What I'd like to do is to implement a conditinal like ....

GP2D12 and others   [3 Articles]

Hi, I really need help!! After trying the SRF04 I connected an IR sensor (GP2D12) and I couldn't use it. I used the 16 pin (ADC input) and got no reading. It sometime...

Sharp GP2D120 IR Sensor   [2 Articles]

Hey guys I was wondering if any of you know anything about this sensor?"Sharp GP2D120 IR Sensor"? Does this sensor also help avoid other robots on field or not? ...

Re: Motors   [2 Articles]

Your question might have saved you a microcontroller - glad you asked first. A microcontroller cannot power a motor, but it can control another device that powers a m...

Another question...   [6 Articles]

I just bought a Infrared detector ( a Sharp GP2D12 ) ( Man is it small... Anyway... ) I thought id be as simple as hooking it up to the +5V and GND of my BX-24 developm...

problems with infrared GP2D12 sensor

I just recieved the GP2D12 Sharp infrared sensor, but when I connect it up to the BX24 chip and use a Get ADC from the controller pin. I have it print to the scre...

A/D bouncing around   [3 Articles]

This may be BX off-topic but... My A/D readings from a Sharp GP2D12 are bouncing all over. 10-30 (out of 10-bits) then suddenly >100 for a few readings, then bac...

Re: Optical distance sensors...   [2 Articles]

Some of the Sharp sensor are preset to a certain distance, most are not. The GP2D12 for example has an analog output that varies over it's full range of 10 to 80cm. The...

Re: Advice needed   [2 Articles]

From: <> > I am relatively new to physical computing and as part of > an assignment I need to connect AIRRS (Analog Infra Red > Range Finding System; from HVWT...

New app note for Sharp GP2D12 IR ranger

A new BX-24 application note was added to the BasicX web site: http://www.basicx.com/Products/BX-24/bx-24appnotes.htm Source code is included for reading ...

Sharp detector GP2D15

Can anyone please provide info on interfacing the sharp GP2D15 infrared detector with the Bx24. And can i combine two of these with an OR gate chip for a single ...

Re: ir emitter/detector

Conrad, We have run the outputs of an RC receiver into a BX-24 (monitored 4 channels, actually) and forwarded the signals on to devices in a 100 lb robot, so it...

Re: IR Object Detection

>Thanks Denis! > >Would it work better using the detectors instead, and sending out a >38-40khz pulse (depending on which detector)? > Why not justy use...

Re: GP2D12 and BX24-answer

Tony Thanks so much for going through the trouble to find this for me. Thank you Ron A. Nucci -----Original Message----- From: Tony Brenke <> To: ...

GP2D12 and BX24   [4 Articles]

I am using the Sharp GP2D12 with a BX24 on my robot. Before I reinvent the wheel - is anyone using this combination ? If so do you have a software routine to ...

sharp ir current   [2 Articles]

Ok, I have four sharp GP2D12 infrared sensors. I read somewhere that they each use 25 mA of current. I was hoping to run them all from the 5 volt regulated output...

Re: Adding A/D converters

This is pretty easy to do if you can tolerate small input errors. A 4051 analog multiplexor (about 30 cents) can be used to multiplex 8 analog inputs to one output ...

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) ...

Error Halting BX-24   [4 Articles]

Hey group, I have a big problem with my new BX24 chip. Whenever I try to download code into the chip it keeps giving me "Error Halting BX24" and no code is download...

Re: BX-24 and Sharp GP2D12   [3 Articles]

Have you experimented with having multiple sensors at the same time? These are the same sensors I plan on using in my Lazlo robot and plan to use about 8 of them...