PH Oscilloscope RETRO
An Oscilloscope RETRO based en old surveillance monitor, Arduino NANO and Gravity PH Meter V1.0
I used a video monitor with RCA input to show in real time, a graph with the measurements of a PH sensor connected to an Arduino NANO board.
Thanks to the Tvout library we can generate a composite video signal in a microcontroller Atmega. Currently the output is NTSC or PAL at a resolution of 128x96 by default. The library currently works on Atmega168,328,1280,2560,644p,1284p,32U4,AT90USB1286 and more can be added by editing spec/hardware_setup.h.
The analog PH sensor I used is specifically designed for Arduino. It needs a 5v power supply. It was calibrated in 2 standard points --> 4,01 and 6,86.
You can see a video of my project in the following link
https://www.instagram.com/p/BxBfeWcBJTu/
Thanks to the Tvout library we can generate a composite video signal in a microcontroller Atmega. Currently the output is NTSC or PAL at a resolution of 128x96 by default. The library currently works on Atmega168,328,1280,2560,644p,1284p,32U4,AT90USB1286 and more can be added by editing spec/hardware_setup.h.
The analog PH sensor I used is specifically designed for Arduino. It needs a 5v power supply. It was calibrated in 2 standard points --> 4,01 and 6,86.
You can see a video of my project in the following link
https://www.instagram.com/p/BxBfeWcBJTu/
Build This Project
Bring this design to life with the Elektor PCB Service, powered by Eurocircuits. Upload the project files and order professionally manufactured PCBs or assembled boards through a proven European production platform.
Supporting KiCad, Eagle, Gerber, and ODB++ formats, the service is suitable for everything from prototypes and validation builds to series production and volume manufacturing.
Made in Europe. Fast. Reliable. Professional.
Discussion (0 comments)