I got word via Kevin in the synth forum that he’s released the PICSynth V3 chip, which features a cool new arpeggiator and portamento.

The PICSynth is a easy to build DIY synth project. Here’s an audio demo from the latest PICSynth:

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Features:

• Dual oscillator mono synth
• Really easy to build using just 1 custom programmed PIC chip, 4 ICs and single 12v supply
• All circuits built on veroboard – no printed circuit board making skills needed
• PIC based dual oscillator and digital keyboard scan
• Analog VCF/VCA/Envelope
• Waveforms : sawtooth, square (with pulse width adjust), triangle
• Fully adjustable detune
• New: Cool Arpeggiator
• New: Portamento
• Expandable, first two modules shown below
• Total cost estimate $89

More info is available at the PICSynth site.