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Cheap DIY USB MIDI to CV

Posted on Thursday, November 23rd, 2017 in DIY, how-to by DP

pumidi2cvlite2

A how-to on making a DIY USB MIDI to CV from DIY Synthesizer:

This one is simple and does not require any expensive Teensy’s or STM32.
It runs on the ATtiny85 using V-USB.
The ATtiny is programmed with the Micronucleus bootloader and is firmware
upgradeable incircuit.

More details at DIY Synthesizer homepage.

This entry was posted on Thursday, November 23rd, 2017 at 11:53 am and is filed under DIY, how-to. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

2 Responses to “Cheap DIY USB MIDI to CV”

  1. Peter Lawrence says:

    FYI: the PIC16F1454 costs about the same as ATtiny85 and is a proper USB Full-Speed device microcontroller (rather than V-USB’s bit-bashed USB Low-Speed approximation). There are open-source bootloaders, free C compilers, etc., etc.

  2. KH says:

    Agree, I would go for a part with a USB peripheral too. PIC16F1455 (14pin) is a better pick. Surprisingly, PIC16F1454 does not have an ADC, I only noticed that just now (I bought some PIC18F14K50 for my USB projects so I did not really notice that PIC16F1454 quirk). So buy PIC16F1454 if you really really don’t need analog peripherals. But anyone who buys 10 (for the discount) for their hobby projects should stick to a full featured part.

    I guess now we can see all the USB-capable chips for Microchip and *cough* Atmel here:
    http://www.microchip.com/ParamChartSearch/chart.aspx?branchID=111

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