SPI and arduino due
Hi, does anyone knos how many SPI digital acelerometer, ADIS16223 (triaxial), can be conected to the new Arduino Due?
View ArticleADXL 362 / Activity Interrupt problem
Hello,I'm trying to generate an interrupt from the ADXL. The pin INT-2 should go high when the accelartion goes above the threshold and stays above for the in register ADXL362_REG_TIME_ACT specified...
View Articledistance from motor/driver for adis16480
Hi Mark,I think to improve accuracy of angle estimation, we'd better to reduce interference from motor(30V, 10A) or driver ic(with about 10A current to drive motor), right? Do you have any advice or...
View Articlekalman filter in DSP
Hello , I am implementing a Kalman Filter. This is for an application that has a host of sensors(magnetometer,gyro,GPS and digital compass). I want to know if I will need a FPU in hardware for such a...
View ArticleAccelerometer calibration tips
Are there any papers, articles or application notes on accelerometer calibration?
View ArticleProblems of drift with ADXL345
Hi all.I'm usinganADXL345for ashockdetector and acceleration logger, but I haveproblemswith the values returnedby the sensor.The system stores a value every 10 seconds by making a averaging of 32...
View ArticleMEMS Accelerometer Output Impedance?
Sorry if this is a somewhat silly question (I'm somewhat new to circuit terminology), but does anyone know what the MEMS accelerometer's output impedance would be, at least approximately? I don't see...
View ArticleProblem with ADIS16448
Hi,I'm trying to access the sensor data through burst read mode and here is what I got:0x00000x00000x00000x00000x00000x00000x00000x10110x12130x14150x16170x0000I can get a 0x4040 with DIN=0x5600 but I...
View ArticleEVAL Source code for UG-209 ADXL312 board
We just received the ADXL312 evaluation setup (UG-209 document) and would like to directly access the main board from a PC to do some custom programming. Is it possible to get the LabVIEW source for...
View ArticleADXL001-70z eval board noise on unfiltered XOUT
I see an 500kHz 40mVrms noise signal on the unfiltered XOUT. I am interested into frequencies up to 10kHz and I use the same opamp circuit like in CN0303 in our board. The 500kHz signal is going...
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ADIS16251 Screw Torque and Bias
Hi, Our lab has been using 3 ADIS16251 sensors mounted orthogonally to each other to provide 3-axis rate determination. The 3-axis unit consists of a main board with a microcontroller and the Z axis...
View ArticleADIS16405, latency from mechanical input to digital output
Hello, I have a question about ADIS16405BMLZ.I'd like to know the latency which is delay from mechanical input to digital output. (until updating the output buffer) condition is Sample Rate : 819.2...
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ADXL312: Too low output voltage on 4-wire SPI
Hello everyone,I am a student and working on a project with the ADXL312 accelerometer.It is connected to a TI TMS570LS1224 MCU. Connected to a scope, I can measure CLK,CS and SIMO. But SOMI is not...
View ArticleHow to check if ADIS-16480 actually works ?
Hello, I have purchased an ADIS-16480 and tried to connect it to an Arduino board but I haven't been able to make it work. The programming of the Arduino should be fine, as my code is identical to...
View ArticleADXL345 Configuration
Hi, I'm using the ADXL345 for a project and am having trouble writing to the registers. I attempt to write to the the Data format reg followed by a write to the power ctl register. I then read...
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ADXL001-70z eval board, do I read the values correctly?
I have a ADXL001-70z eval board and placed a 15k/10n (1kHz) RC filter. I supplied the board with a noise free 3.3V power supply. I glued the eval board on another vibration sensor (407860 - Heavy Duty...
View ArticleHelp in design for a recoil recording device
I am currently testing different ways to record the difference in recoil of rifles with and without muzzle breaks. I've tried spring resistance on a sled on rails. And a weighted sled without the...
View ArticleADXL362 Max Ratings
Hello, The data sheet shows a typical range of ±19g, however it doesn’t list a max operational. We have a scenario where we'll see 50g's. We have actually done some testing and seen some readings in...
View ArticleADXL 362 returns bad PARTID (0xF3 instead of 0xF2)
Hi, This is the second time I get this problem with the ADXL362 sensor, first with an Analog Device EVAL-ADXL362Z eval board, and now with my custom board : - when I try to get the ADXL362 PARTID, I...
View ArticleSD Data Logger mode with spikes(EVAL-ADXL362Z-DB)
Hello all,I'd like to ask you about EVAL-ADXL362Z-DB with SD Data logger mode.I tried DB with following conditions. Battery : coin batteryMode : SD Data logger modeODR : 400 or 200 or 100Range : 2gLow...
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