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The  TDC1000-TDC7200EVM evaluation module has 4 main parts The TDC1000 analog front-end and a pre-programmed MSP430 microcontroller on the board, a 1MHz Piezo Ceramic sensor that plugs into the board and a GUI client for on your PC.   In this blog I'm tapping into the SPI traffic.   a a       SPI Traffic and Bodging the Board  The evaluation board has some interesting SPI communication going on. The ultrasonic sensing ic TDC1000 is configured by it, and ...
  This is an almost 100% off-topic blog in the TI Ultrasonic Sensing RoadTest series. I'm going to create a KiCad component for the TDC1000 with the KiPart utility.   Creating a 28 pin component takes quite some click-and-navigate work with the default KiCad component editor. With the utility, it's a less-than-10-minute job.     KiPart  devbisme (or devbisme2 ?) from xess was tired of creating KiCad components in the GUI component editor. If you know that he's int ...
The  TDC1000-TDC7200EVM evaluation module has 4 main parts The TDC1000 analog front-end and a pre-programmed MSP430 microcontroller on the board, a 1MHz Piezo Ceramic sensor that plugs into the board and a GUI client for on your PC.     In this blog I measure the concentration of detergent in water.   Test Setup  The setup is almost the same as for level measurements. The only difference is that the sensor is placed at the side of the container, very close to the bo ...
ROADTEST REVIEWS During the element14 Community Awards, we took a look at which of the RoadTests you enjoyed the most in 2015.   But today we want to shift the spotlight onto those members who took part in the programs, and tested, dissected and connected with the vast range of hot tech that passed through the Community over the last 12 months.   If there was a RoadTest review that caught your eye, or you took part in one and want to share it with us all, add it to the comments sect ...
The  TDC1000-TDC7200EVM evaluation module has 4 main parts The TDC1000 analog front-end and a pre-programmed MSP430 microcontroller on the board, a 1MHz Piezo Ceramic sensor that plugs into the board and a GUI client for on your PC.   In this blog I measure the start and stop pulse, and show how you can display 3 signals on a 2 channel oscilloscope.       What are we Measuring  The evaluation kit has 3 test points that are of particular interest: the start pul ...
The  TDC1000-TDC7200EVM evaluation module has 4 main parts The TDC1000 analog front-end and a pre-programmed MSP430 microcontroller on the board, a 1MHz Piezo Ceramic sensor that plugs into the board and a GUI client for on your PC.   In this blog I perform the first measurements.   Test Setup  I've filled the container with water, up to somewhere between 4 and 5 cm. I've used the simplest setup with the sensor mounted under the liquid.     The Piezo sensor is ...
The  TDC1000-TDC7200EVM evaluation module has 4 main parts The TDC1000 analog front-end and a pre-programmed MSP430 microcontroller on the board, a 1MHz Piezo Ceramic sensor that plugs into the board and a GUI client for on your PC.   In this blog I'm explaining how to create the parameter settings files for level measurement and content identification.         Texas instruments runs a very good video that explains how to perform level measurement and how to re ...
The  TDC1000-TDC7200EVM evaluation module has 4 main parts The TDC1000 analog front-end and a pre-programmed MSP430 microcontroller on the board, a 1MHz Piezo Ceramic sensor that plugs into the board and a GUI client for on your PC.   In this blog I'm attaching the Piezo transponder to the "liquid under test" container.         Follow the Guide  This exercise isn't difficult. There's an excellent step-by-step instructable available on TI's web: http://ww ...
The  TDC1000-TDC7200EVM evaluation module has 4 main parts The TDC1000 analog front-end and a pre-programmed MSP430 microcontroller on the board, a 1MHz Piezo Ceramic sensor that plugs into the board and a GUI client for on your PC.   In this blog I'll briefly check the GUI.         What's in the GUI  The TDC1000 ultrasonic analog front-end IC has a plethora of attributes that can be set and read. The settings drive the behavior of the IC, and also provi ...
The website wouldn't let me attach it directly to the roadtest, I hope the moderators can do so .   Roadtest link: http://www.element14.com/community/roadTests/1478   ScoringProduct Performed to Expectations: 6 Specifications were sufficient to design with: 10 Demo Software was of good quality: 7 Demo was easy to use: 10 Support materials were available: 10 The price to performance ratio was good: 7 Total Score      50/60   =====     First Imp ...
NOTE!!! After 7 months the sensor has died. The first symptoms were erratic reads.  The comment below was to try and stabilize the readings.  Sorry but I will stick to the cheap ones that have worked for years. The TI  HDC1000EVM that I tested is great however there is one thing to keep in mind Thermal mass: The thermal mass of the TI  HDC1000EVM is very low which is excellent for instantaneous temperature or fine resolution temperature sensing.  However y ...

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