Addinng BLE BMS.
BPF: LPF:
https://github.com/enthru/SignalGenerator/tree/AD9851
Frequency response: SFDR: https://github.com/enthru/Arduino-AD9851-DDS-Direct-Digital-synthesizer-Signal-Generator
https://github.com/enthru/Arduino-AD9851-DDS-Direct-Digital-synthesizer-Signal-Generator
Small comparison.
Completely assembled, but…