Hi, Here is my project on a Resonance Force Spectrum Analyzer. I need verify my project whether it is similar or the same as a fast Fourier transform (FFT) analyzer. Therefore, I don't have access to the FFT analyzer to verify or compare with this. It uses HX711 module, a 24bit ADC strain gauge/load cells converter module with 80 samples per second setting. So far, I able to achieved with about 400 to 433 samples per second by paralleling/stacking 5 HX711 modules with sequential reads. Project completed. See photos for front and inside.
Main Parts list:
- 1 x STM32F103c8t6 arduino module
- 5 x HX711s modules
- 1 x 20kg load cell sensor
- 1 x LCD display 2.4" with touch
Software:
Arduino IDE 1.8.12
Arduino library HX711
