Voltage controlled sequential switch (PCB Set)

Name: Voltage controlled sequential switch (PCB Set)
SKU: 11434
Price: 22.99 USD
Availability: InStock
Rating: 4.38 (2 reviews)

(2 Reviews)

Four way voltage controlled switch with clock/manual controls for Eurorack synthesizers

Designed by PM Foundations in United States of America

Voltage controlled sequential switch (PCB Set) 1

Voltage controlled sequential switch (PCB Set) 2

Voltage controlled sequential switch (PCB Set) 3

Voltage controlled sequential switch (PCB Set) 4

Voltage controlled sequential switch (PCB Set) 5

Voltage controlled sequential switch (PCB Set) 6

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Please always use genuine ICs. Switchcraft jacks available at DigiKey instead of Mouser: https://www.digikey.com/en/products/detail/35RAPC2AV/SC1457-ND/772080

Four way voltage controlled switch with clock/manual controls for Eurorack synthesizers

DIY - PCBs ONLY This is a versatile four way switch that can be driven by a clock to operate as a sequential switch. It can also be voltage controlled and manually switched. The jacks operate as …

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Review Breakdown

Average Ratings

Product: (4.50)

Documentation: (3.50)

Shipping: (5.00)

Communication: (4.50)

Cole | June 12, 2020

Great module and great support

This is a really great sequential switch. Having the manual stage selection and CV addressing are awesome features.

The build and layout are really nice; very enjoyable to build.

I had some trouble with my build, but PM Foundations was super communicative and helped me debug my module.

I had some issues clocking the module using triggers, but PM Foundations suggested running the triggers through an attenuator or comparator which worked great!

Denis | June 15, 2019

Very easy build, documentation is ok for building only.

Wish there was a schematic available in the documentation . I had one issue - could not select the 4th step via the pot worked out I needed to change the value of R13 from 1K8 down to 1K5 the voltage reference U1 was giving 4.99 volts so after the voltage divider I was only getting 3.69 volts changing R13 brought that up to 3.85 volts which seems to work consistently now. overall a good module I would recommend !

Response from PM Foundations | Aug. 13, 2019

Thank you Denis. This is a very good observation. I checked the prototype and the reference is 5.02V so if it was much less than this it would upset the thresholds for the window comparators that set the steps and the final one was not being reached on your example. I will update the documentation to take this into account.