signal processing

Armadillo: fast C++ library for linear algebra (matrix maths) & scientific computing - https://arma.sourceforge.net

Python bindings for MATLAB fsst function

Physical Layer of AcubeSAT communication system.

OQPSK modulator, GMSK demodulator, ASM synchronization, Error Correction Codes (LDPC, Convolutional, BCH)

Tap detection based on piezo. Once event detected (double tap), power output enable PWM, which can drive LED strip for example.