That's moving forward! I'm getting some results with the following setup - using a piezo with a fixed distance, and a pulser at 25V.
![](https://raw.githubusercontent.com/kelu124/echomods/master/matty/20180224b/images/IMG_20180224_195210.jpg)
Getting nice echoes (x-label in us)
![](https://raw.githubusercontent.com/kelu124/echomods/master/matty/20180224b/images/kk-6-VGA%400x33-spimode1-21msps.jpg)
The gain control works as well =)
![](https://raw.githubusercontent.com/kelu124/echomods/master/matty/20180224b/images/comparing_gain.jpg)
and the FFT looks relatively clean!
![](https://raw.githubusercontent.com/kelu124/echomods/master/matty/20180224b/images/fft.jpg)
A project log for un0rick - an ice40 ultrasound board
A hx4k lattice fpga based pulse echo board, yosys compatible
That's moving forward! I'm getting some results with the following setup - using a piezo with a fixed distance, and a pulser at 25V.
Getting nice echoes (x-label in us)
The gain control works as well =)
and the FFT looks relatively clean!
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Great. =)
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Hey @Ever -- excellent! Feel free to join the slack -- I'm adding the link in the project list of links. Cheers!
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Hello. I am currently working on the development of medical devices, I am with a project to monitor pregnancy. Maybe I can be useful for this project. I can collaborate with the design of the hardware and the pcb.
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