The incorporation of the CEM 3340 tunable voice elevates my DIY synth project, offering unparalleled control and adaptability. This oscillator presents two waveform alternatives—saw and triangle—along with a CV input for enhanced tuning precision and keyboard playability. Developed concurrently with the filter and envelope generator modules, the CEM 3340 signifies a pivotal advancement in my standalone synth's evolution. Catering to both experienced synth enthusiasts and DIY newcomers, the CEM 3340 proves indispensable for realizing a genuinely distinctive sonic identity.