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Found 4 results

  1. Hi guys, I am working on a university design project and I am running into an ADC10 sampling limit on MSP430G2553. For a number of reasons, I need to be able to sample and process an input signal at 51 KHz. I can do this with my current setup with a clock speed of 4 MHz. I would, however, like to bring this speed down to 1 MHz so I could run the uC at a lower voltage level. The following is my current code: #include <ctype.h> #include "msp430g2553.h" short value=0; long magnitude0 = 0, magnitude1 = 0; short q0=0,q1=0,q2=0; unsigned int sum = 0; char state0 = 0; char state1
  2. A Short introduction on Programming ADC10 of MSP430 Launchpad and Displaying the ADC10 values on a LED Bar graph type Display. Full Tutorial can be found here
  3. Hello, I bought a Sparkfun ML8511 UV sensor breakout and set it up according to this. It kind of works / I have a weird problem: No matter the voltage (3V or 3.3V), the sensor output values change periodically very strongly: Closer to UV-AB source: ~1.5 to ~10.5 to ~1.5 and so on (with more steps in between) (distance of course doesn't change). More away from the UV source: ~0.2 to ~1.5 to ~0.2 and so on. When I attach a 1.5V battery constant voltage source as a test, the displayed value is indeed rather constant ranging from 4.39 to 4.59, so it must be the sensor's problem? Google-i
  4. Hello everyone ! I started to use Energia to create simple projects using MSP430G2553 LaunchPad and somehow I've succeded until now! Today I encountered a problem as I was trying to read values from a HIH-4000-001 humidity sensor.The sensor is powered with 5V and can return a value ranging from 0.826 V to 3.976V coresponding to 0 - 100 % RH. Because 3.976 V is much more than the MSP430 can manage I used a 1:2 resistive divider to scale down the signal.Moreover the sensor needs an load resistance of minimum 80kohms so the resistors I used for my divider were R1= 36kohms and R2
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