Special Pages

Some of the latest additions


Quad Voltage Controlled Amplifier (VCA)

The V2164 contains four independent voltage controlled amplifiers (VCAs) in a single package.
High performance (100 dB dynamic range, 0.02% THD) is provided at a very low-cost-per-VCA, resulting in excellent value for co... Read more


Virtual analog polysynth

A fully documented virtual analog polyphonic synth project... Read more

Siel MK 900

Schematic Diagram/Service Manual

The Siel MK 900 is an Italian synth from the mid-1980's. It has preprogrammed beats, chords, arpeggios, and I believe mostly analog circuitry (even though it says PCM on the unit itself). It is related to these keyboards (similar circuitry ... Read more

PCBMill Software

PCB prototyping software

PCBMill is a PCB prototyping software.
It can generate isolation milling path from industrial standard Gerber files.
Mill and drill your prototype PCB on your CNC machine in minutes.
The software is Beta version and is freeware at the ... Read more


PNP Signal Transistor

... Read more

Random Stuff
an image 202 Hack
"202 Hack" is a shareware Java application which converts sequence information stored in standard MIDI files (SMF) into a format compatible with Roland MC-202™ sequences. Users have the capability to choose up to 2 MIDI channels (1-16) whose note inf... Read more
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