Is available here: http://www.scribd.com/doc/7266136/Analog-Interfacing-to-Embedded-Microprocessors You can save it locally via the 'More' drop-down on the...
Good day, folks. I have a rate gyro device. It has both SPI IO and analog IO. I am getting my back-side kicked with respect to talking to it serially. So, in...
A quick & dirty approach is to add a voltage divider between the gyro's analog output and the A/D input. You would still loose about 0.4V on the lower end of...
Hello Nick. Thank you for your time, and valuable feedback. It is appreciated more than you know. As info, I finally licked the serial comm problems very very...
Hi Tod, Good to hear you got the SPI working. Been there myself - the middle of the night and you're shouting "Work! Please, just work!" at a circuit board :-)...
Good day, Chris! Thanks for taking the time to reply. Yes, I too had thought about the Vdd being dynamic from one system to another, or post-alteration. It...
Hello folks. I have been embarked on a project sparatically over the last couple of years. It is a personal project - not for profit by myself or any other...
A lot of PHDs make a living doing what you are attempting. I work just with compasses, 3 axis mag & 2 axis tilt and just combining those 5 numbers into roll,...
Doug, Thank you for taking the time to reply to this obviously challenging query. ... LOL - Yes. (Ugh...) I, over the last couple of years, have come to...
Hey guyz i m working on a machine consisting of a ring rail which moves up and down with in a range specified by the program. Currently the sensor installed is...
Hey, Is it's an industrial project? I've tried linear position encoder and linear encoder on Google. Got a few results to pick from. Some of them have 20um...
Oh yeh dude it's an Industrial Project. Usually these kind of machinery are installed in textile and ceremic Plants. By the way i managed to work on an...
Hello, I need help with determining the maximum temperature difference error in a system using two RTD's. The temperature error in deg C for each RTD is 0.3...
Hello, I am a chemist I had made a compound which sense the alcohol vapor and give distinct color change in solid state , now I am looking to convert this...
Hi, Mubs     While I applaud your inventiveness at making your compound, to make it a marketable product, it needs to meet a need that isn't being met...
Hello David, Thanks a lot for your kind descriptive mail. My compound is specif to Meoh vapor within 5-7 mins it changes from blue to green. This information...
Hi, again, Mubs Since you have a very distinct color change, a simple color filter should do the trick. Also, I think a CdS (Cadmium sulfide) cell is your...
Hi, We are a very small company that will make a digital scale handle for suitcases in China. Anyone knows where to start? PCB manufacturers need a gerber file...
Hi Sara, It looks like most of your questions are related to the microcontroller (uC). There's a dozen uC families currently on the market and about as many...
Hi, I would suggest a more manufacturable solution is to use two leds, one green and one blue, to illuminate the sample. The reflected light is sensed by a...
Hi Sara, I assume that this is a handle that will be built in to the suitcase by the manufacturer? (If it is actually a separate device for weighing a suitcase...
Hi Mubs, From what you're writing, your compound has a distinctive color change, which is noticeable by a naked eye. Do you need the electronic color sensor...
... See TAOS chp like TCS230, a reflective RGB+clear with V->Frefq. with color select color sensor. Several evaluation kit and application note available...
hi i want to design a detector to detect smoke there are two ways 1)using ldr(its resistance differes by tensity of light) 2) using smke sensor some say we...
It is depend on the smoke you want to detect as well as accuracy requirement. Photodiode based device might be enough while keeping the price low. Better...
I thought ionization type smoke detectors were the norm these days. All the detectors I have in the house have the little radiation warning sticker on them....
Dear Nick, Recently we have published one paper in Inorganic chemistry journal, ACS. I have attached the same paper. For this I would like to know the sensor...
Douglas Butler wrote: I thought ionization type smoke detectors were the norm these days. All the detectors I have in the house have the little radiation...
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