Labels Milestones
Back($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules schematic start, and some example modules Envelope/Envelope.kicad_pcb | 2 | 1M | Resistor | | | | | U3 | 1 | SW_Push | Push button switch, generic, separate symbols, four pins D Momentary Switch, dual pole double throw, illuminated paddle, red and green LEDs K switch single-pole double-throw spdt ON-ON illuminated red green D Push button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 KK254 Molex connector 2.54 mm spacing | | | C1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | R25 | 1 | Conn_01x07 | *(optional) SIP socket, 2.54 mm, 1x4 | | R9, R11, R13 | 3 | 100R | Resistor | | R5 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14"/>
- 7.3mm × 5.5 mm, Unshielded, http://products.sumida.com/products/pdf/CR75.pdf.
- Used // 11 SPDT switches Subject.