I was fascinated by synthesizers as soon as I discovered these instruments. For me it was the Poly 61, described in a specialized journal of...

New baby at home :  Fully functionnal. Some switchs need top be replaced as well as the backlighting of the display. Nothing diff...

The circuit for the selection of the sixteen SRAM bank is done. This system is able to select the sixteen 2Kb equivalent space memory of m...

An other project in progress : M.I.D.I. MERGE HUB Easy to use two input merged ports towards six output ports. One output replic...

An other project in progress : M.I.D.I. to CV/GATE interface M.I.D.I. channels : 1 to 8 OR 9 to 16. GATE : 5V. CV : 4 x (0V to 5...

My system of SRAM bank selection in on the way... This system selects one of the memory banks installed inside a synthesizer. It will r...

This last month, two prototypes were made. A circuit compatible with the 16550 UART and a self-saved 16 x 6116 SRAM circuit : The 165...